The reaction with 8 mL of acetic acid with 5 g of isopentyl alcohol underwent Fischer esterification using sulfuric acid as a catalyst. This reaction yielded 3 g of isopentyl acetate.
What is the objective of Isopentyl Acetate Synthesis?
The purpose of this experiment was to produce isopentyl acetate, banana oil. Acetic acid and isoamyl alcohol were used to synthesize isopentyl acetate. The techniques used for the separation and purification of isopentyl acetate were reflux, liquid-liquid extraction, neutralization and distillation.
This experiment's goal was to create isopentyl acetate by using acetic acid and isopentyl alcohol in an esterification reaction with a strong acid as a catalyst. The product underwent washing and distillation. Fisher esterification is the process by which esters are made by esterifying a carboxylic acid when it is heated with an alcohol in the presence of a powerful acid that serves as a catalyst. The banana flavour of the ester was produced. Utilizing sodium bicarbonate, the crude product was extracted, then distillation was performed.
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which of the following options correctly describe the products of the reaction between a strong acid and a strong base in aqueous solutions? select all that apply
a. there is no net ionic equation as all species are soluble in water
b. the reaction usually produces an insoluble precipitate
c. the reaction forms a salt and water
d. the net ionic equation is typically given by :
e. H+ + OH- --> H2O
f. the reaction produces H3O and OH- ions
The reaction results in the formation of salt and water, and the net ionic formula is often given by: H+ + OH- --> H2O
Give an illustration of what an ionic equation is:
The electrolyte in aqueous are expressed as dissociated ions in ionic equations, which are chemical equations. Example: 1) Ag+(aq) + Cl-(aq) AgCl >> Salt chloride(aq) + argent nitrate(aq) platinum chloride(s) + salt nitrate(aq) (s) 2) Hydrochloric acid + sodium (s) -> sodium chloride (aq) + hydrogen (g).
How is an ionic formula written?
You first must identify the ion and note its sign and charge before you can determine the formula for an anion. Then, after determining the anion's identity, note its symbol and charges. The two ions should then be combined to create an electrically neutral molecule.
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use the octet rule to predict the formula of the compound that would form between sulfur and fluorine , if the molecule contains only one sulfur atom and only single bonds are formed.
SF2 is the formula of the compound that would form between sulfur and fluorine , if the molecule contains only one sulfur atom and only single bonds are formed.
We employ the octet rule, which stipulates that all atoms in a compound are required to comply by, to confirm the correctness of any chemical structure. Every atom in the carbon IV oxide model exactly complies with the octet rule. The valence shell of each atom in the molecule is surrounded by eight electrons.
Its negative charge, which is 1.602176634 coulombs, the basic unit of electric charge, is equivalent to its own negative charge. The rest mass of an electron is 9.1093837015 10-31 kg, or 1/1,836 the mass of a proton. Because of this, an electron is thought to have far less mass than a proton or neutron, and its mass is ignored when calculating an atom's mass.
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the curve represents the titration of 100.0 ml of a naoh solution (in the flask) with a solution of 0.20 m hcl (in the burette). determine the concentration of the naoh solution from the information provided on the graph.
The concentration of the NaOH solution is 0.20M.
What is concentration?
If you have strong concentration skills, you can direct all of your attention to the current situation. Concentration can also be used to describe something that is grouped together, as well as the strength or density of a solution. People are said to be concentrated when they are in a specific area in large numbers. There might be a concentration of artists in your city who live in the riverside warehouses. A substance that is present in large quantities relative to the volume is said to have a high concentration in a solution. For example, the Great Salt Lake contains very few fish due to high concentration of salt. You can say that you pay attention well if you possess good concentration skills.
The concentration of the NaOH solution can be determined by finding the point where the titration is complete.
This can be determined by looking for the point on the graph where the volume of HCl added is equal to the volume of the NaOH solution initially in the flask.
In this case, the volume of HCl added is equal to 100.0 mL, which corresponds to a pH of 7.
At this point, the concentration of the NaOH solution can be determined by taking the ratio of the concentrations of the two solutions, which is 0.20M/ NaOH = 100.0mL/ V NaOH.
Therefore, the concentration of the NaOH solution is 0.20M.
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The density of gold is 19.3 g/cm3. a. What is the volume, in cubic centimeters, of a sample of gold that has a mass of 0.715 kg? b. If this sample of gold is a cube, what is the length of each edge in centimeters?
A measure of how compact matter is is what density means. How much "stuff" is crammed into an area, to put it simply.
What is Density?In science, density is defined as the ratio of an object's mass to volume. Mathematical and scientific density comparisons are done using a formula.
In disciplines, such as physics, the focus is on things and matter and relates the notion to the rules of nature.
It is a calculable and manipulable formula in mathematics. In other disciplines, such as social sciences, density relates with population. The amount of people in a specific land area produces the population density.
Therefore, A measure of how compact matter is is what density means. How much "stuff" is crammed into an area, to put it simply.
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Sodium chloride reacts with fluorine gas to produce solid sodium fluoride and chlorine gas.
The Sodium chloride reacts with fluorine gas to produce solid sodium fluoride and chlorine gas is 2Na+F₂→2NAF.
What is Sodium chloride ?
One of the most prevalent minerals on Earth and a crucial nutrient for many animals and plants is sodium chloride (NaCl), also known as salt. Seawater and underground rock formations are two natural sources of sodium chloride.
What is fluorine?
The most reactive element in all of chemistry is fluorine (F), which is also the first member of the halogen family. Both fluorides and fluorides-containing compounds, both organic and inorganic, are referred to by the terms "fluoride" and its ionic form (F-), respectively.
∴2Na+F₂→2NAF
Therefore, Sodium chloride reacts with fluorine gas to produce solid sodium fluoride and chlorine gas is 2Na+F₂→2NAF.
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find the boiling points of the six compounds that you will study: o-dichlorobenzene, 2-bromo- 2-methylbutane, benzene, p-xylene, 4-methyl-2-pentanol, and decane. predict their order of elution.
The separation compound using diffrence in boiling point melting point like physical properties.
What is physical properties.
A physical property is the any measurable property that whose value describes the state of a physical in system. Changes in the system's physical properties of can be used to describe its transitions between the momentary of state.
A physical property is a characteristic of the matter that is not associated with in a change in its chemicals composition. Familiar to the examples of physical properties that is include density, color, hardness, melting and boiling points, and the electrical conductivity.
There are mainly two types of physical properties extensive and intensive.
Sol-The separation scheme to used to separate the mixture of based on differences in this physical properties- such as boiling point melting point, solubility in a given solvent these are the three components.
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which of the following statements about the nucleus of a typical atom is false? group of answer choices the nucleus contains both protons and neutrons the nucleus repels the electrons which move around it the nucleus contains most of the mass of the atom the nucleus has an overall positive charge
False, Protons and neutrons are both present in the nucleus.
What is the nuclear force?
One of the four fundamental forces of nature, along with gravitational and electromagnetic forces, is the nuclear force. In fact, they are also referred to as strong forces since they are 10 million times more powerful than chemical binding forces. A force known as the nuclear force interacts with the protons and neutrons of atoms. The force that holds protons and neutrons in a nucleus together is known as the nuclear force. Protons and protons, neutrons and neutrons, or neutrons and neutrons can all be affected by this force. The nucleus is held together by this force.
The nucleus is at the center of an atom and accounts for the maximum mass of the atoms, a nucleus contains both protons and neutrons giving it an overall positive charge because the neutrons are of neutral or zero charges. As electrons are negatively charged and are very light in comparison to a proton or neutron, it is considered negligible in front of them. Due to the negative charge of the electron, it is under an attractive force known as the nuclear force from the nucleus, as we know opposite charges attract.
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thermal caused by a rising temperature of the ocean, and water being added by the melting of land-based ice, are two important causes of sea-level rise.
Thermal expansion caused by a rising temperature of the ocean, and water being added by the melting of land-based ice, are causes of sea-level rise.
Temperature is the unit used to describe heat or cold. It illustrates the natural flow of heat energy from a hotter to a cooler body and can be expressed in terms of a variety of arbitrary scales (one at a lower temperature). An iceberg has a much higher total heat energy than a match, despite the fact that a match burns at a much higher temperature. Temperature and a thermodynamic system's energy are not the same thing. In contrast to extensive features like mass or volume, such as temperature is referred to as an intense property—one that is independent of the amount of material being addressed—along with pressure, density, and other similar qualities.
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Which type of change results in the formation of a new
substance?
Chemists have categorized different sorts of modifications in the same way that they have categorized elements and compounds.
What is New substance?
Changes are classified as either physical or chemical changes. Chemists investigate the transformations that matter can go through to learn a lot about the nature of stuff.
Physical changes and chemical changes are the two different types of changes that chemists examine.
A physical change is when a sample of matter experiences a change in some of its qualities but not in its identity. Water vapor is created when liquid water is heated.
Therefore, Chemists have categorized different sorts of modifications in the same way that they have categorized elements and compounds.
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if the molar solubility of caf2 at 35 ∘c is 1.24×10−3mol/l, what is ksp at this temperature?
Ksp is 7.6×10^-9. Ksp, the solubility product derives from the solubility expression CaF2 --> Ca2+ + 2F-
What is solubility constant?The solubility product constant, Ksp , is the equilibrium constant for a solid substance dissolving in an aqueous solution. It represents the level at which a solute dissolves in solution. The more soluble a substance is, the higher the Ksp value it has.
Ksp = [Ca2+][2F-] / [CaF2]
However, [CaF2(s)] , the concentration of a solid is a meaningless quantity.
Thus, Ksp = [Ca2+][2F-]
Given this expression, we simply fill in the blanks:
Ksp = (1.24×10−3)(2×1.24×10−3)2
=4×(1.24×10−3)^3
= 7.6×10^-9
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Ksp is 7.6×10^-9. Ksp, the solubility product derives from the solubility expression CaF2 --> Ca2+ + 2F-
What is solubility constant?A solid substance dissolving in an aqueous solution has an equilibrium constant called the solubility product constant, Ksp. It shows the rate of solute dissolution in a solution. A substance's Ksp value increases with solubility.
Ksp = [Ca2+][2F-] / [CaF2]
However, [CaF2(s)] , the concentration of a solid is a meaningless quantity.
Thus, Ksp = [Ca2+][2F-]
Given this expression, we simply fill in the blanks:
Ksp = (1.24×10−3)(2×1.24×10−3)2
=4×(1.24×10−3)^3
= 7.6×10^-9
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a chemistry student is given of a clear aqueous solution at . he is told an unknown amount of a certain compound is dissolved in the solution. the student allows the solution to cool to . at that point, the student sees that a precipitate has formed. he transfers the liquid to a clean new beaker and throws away the precipitate. the student then evaporates the water from the liquid in the new beaker under vacuum. it weighs . using
The Solubility cannot be calculated.
Solubility indicates the maximum amount of a substance that can be dissolved in a solvent at a certain temperature. Such a solution is called saturated. Divide the mass of the compound by the mass of the solvent and multiply by 100g to calculate the solubility in g/100g.
The solubility of ionic solutes does not always increase with increasing temperature. In exothermic solution reactions, solubility can decrease with increasing temperature. The number of moles of solute dissolved in a given volume of solution does not represent the solubility of the solution. They dissolve more readily and solubility increases with increasing temperature.
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Multiple Bonds: C4H6
2. Show that this formula is consistent with a Lewis structure with two double bonds
separated by a single bond. Explain/list all steps that would be followed in
constructing the Lewis structure for this molecule.
Lewis formula for C4H6: Since C4H6 is composed up of covalent bonds, the total number of electrons will equal the sum of the electrons in carbon and hydrogen, providing there is no residual charge.
The hydrogen atom has one electron, while the carbon atom has six.
As a result, there will be a total of = (4 6) + (6 1) = 30 electrons.
Steps to draw lewis structure
Find the polyatomic ion or molecule's total number of valence electrons. Add one electron for each negative charge if the compound is an anion. For each positive charge if the substance is a cation, take one electron away.
The least electronegative element other than hydrogen makes up the centre atom. Single bonds join it to the outside atoms.
Fill the outside atoms' octets.
Fill the centre atom's octet.
Form several bonds until the core atom has an octet if you run out of electrons before it does.
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Complete the following table for an ideal gas:
PV = nRT is the equation for the ideal gas law, which can be changed to take only one of the other variables into consideration if the other variables are known.
complete question:
Complete the following table for an ideal gas.
a. Complete the first row.
b. Complete the second row.
c. Complete the third row.
d. Complete the fourth row.
Describe Ideal Gas?A number of randomly moving point particles with no interparticle interactions make form an ideal gas, which is a type of theoretical gas. The ideal gas concept is useful since it conforms to the ideal gas law, a condensed equation of state, and is amenable to statistical mechanics analysis.
According to the ideal gas law (PV = nRT), ideal gases' macroscopic properties are connected. The particles of a gas are said to be perfect if they (a) do not interact with one another and (b) take up no space (have no volume).
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Draw the Lewis Structure of XeF3+. Describe the bonding around the central atom. three single bonds and two lone pairs three single bonds and no lone pairs three single bonds and three lone pairs two single bonds and one double bond two double bonds and one single bond What is the molecular shape of XeF3+? trigonal planar trigonal pyramidal trigonal bipyramidal T-shaped linear What is the polarity of the molecule, XeF3+? Polar Nonpolar
The compound is polar and the compound is T shaped.
What is the Lewis structure of the compound?We know that the Lewis structure of a compound tells us the way that electrons are arranged around a central atom in a compound. We can see that the Lewis structure would consist of the central atom and then the atoms that are surrounding the central atom of the molecule.
In any case, the valence electrons that surround each of the atoms in the compound would be shown as dots and they would surround the symbol of the elements to which the atoms belong. We can now look up at the structure and be able to deduce what the compound can be able to look like.
The compound as shown is polar because of the fact that he compound is non symmetrical.
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An electrolytic cell is A. is cell in which reactant are continuously supplied to the cell B. a battery C. a cell in which an electric current drives a no spontaneous reaction D. a cell in which of the cell reaction is spontaneous
An electrolytic cell is a cell in which an electric current drives a no spontaneous reaction.
What is electrolytic cell?
Any apparatus in which excess electricity is changed into chemical energy or conversely is an electrolytic cell. Such a cell normally includes two electrodes, which can be metal or electrical conductors, kept apart from one another and in interface with an electrolyte (q.v. ), which is commonly an ionic compound that has been dissolved or fused.
For instance, water can be electrolyzed to create gaseous oxygen and gaseous hydrogen with the use of an electrolytic cell.
Electrical energy is transformed into chemical energy in an electrolytic cell. Electricity is generated in this situation as a result of a spontaneous redox reaction. Electricity must be provided to start the redox reaction because it is not spontaneous.
Therefore, Option C is correct.
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Drag the labels onto the table to indicate when each statement Is true. Labels can be used once, more than once, or not at all. 1. Orange dye moves independently of purple dye. 2. Concentration gradients exist that drive diffusion of both dyes. 3. There is a net movement of orange dye from side A to side B. 4. Purple dye moves only from side B lo side A. 5. There is no net movement of purple dye.
The labels the table to indicate when each statement Is true. Labels can be used once, more than once, or not at all, The orange dye moves independently of the purple dye. 2. Concentration gradients exist that drive diffusion of both dyes. : free water, solute, free water, solute.
In chemistry, attention is the abundance of a constituent divided by way of the total quantity of an aggregate. several types of mathematical descriptions may be prominent: mass concentration, molar concentration, range concentration, and quantity concentration.
it's miles the amount of solute dissolves in one hundred g solvent. If the attention of the answer is 20 %, we understand that there are 20 g solutes in one hundred g solution. instance: 10 g salt and 70 g water are mixed and the solution is ready. find awareness of the answer by means of percentage mass.
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BONUS: What process does this chemical reaction represent? 6CO2 + 6H2O —> C6H12O6 + 6O2
Which of the following is not a common cost flow assumption used in costing inventory? a. Average cost b. Middle-in, first-out c. Last-in, first-out d. First-in, first-out
Middle-in, first-out is not a common cost flow assumption used in costing inventory.
Explain 3 cost flow assumptions?
Companies utilize the average cost flow assumption to determine the costs associated with terminating inventory, cost of goods sold (COGS), and inventory in storage. Over the course of the accounting period, all items sold from inventory are averaged, and the average cost is then applied to the items.
Know that FIFO, LIFO, and averaging are the three cost flow assumptions that are most common in the US. Recognize the purpose of the LIFO conformity rule and that the existence of this tax rule is a major contributor to the usage of LIFO in the United States.
Therefore, Option B is correct.
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Can someone help me please!!!!???
Part #1
Answer:
which question do you need assistance with?
li2s lewis structure
Which of the following types of infiltration techniques does one open up to by posting sensitive personal information and details about one's workplace on social networking sites? Password theft Social engineering Physical threats Phishing Virus infections
Social engineering types of infiltration techniques does one open up to by posting sensitive personal information and details about one's workplace on social networking sites.
What is the which means social engineering?
Social engineering is an assault vector that is predicated closely on human interplay and frequently includes manipulating human beings into breaking regular safety techniques and satisfactory practices to benefit unauthorized get entry to systems, networks or bodily places or for economic benefit.
Is social engineering a cybercrime?
Social engineering is a manipulation approach that exploits human blunders to benefit personal information, get right of entry to, or valuables. In cybercrime, these “human hacking” scams generally tend to trap unsuspecting customers into exposing data, spreading malware infections, or giving get right of entry to constrained systems.
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the diagrams above represent solutes present in two different dilute aqueous solutions before they were mixed. water molecules are not shown. when the solutions were combined, a precipitation reaction took place. which of the diagrams below is the best particle representation of the mixture after the precipitation reaction occurred? responses
We can see from the images attached that a precipitate of silver chloride is formed as shown.
What is a precipitate?We know that a precipitate is a substance that that separates out of the solution as a solid. Thus if we have an aqueous phase reaction in which there is the combination of two of the reactants which are aqueous solutions. However, when the substnaces are mixed, we obtain a product that is solid. This solid product is whet we call the precipitate of the reaction that has just taken place.
As I said the precipitate would tend to separate out of the solution and then when that happens, we can see that the solid would be in a distinct phase from the rest of the solution.
In this case, the mixture of the sliver nitrate and the sodium chloride would produce a silver chloride precipitate that would separate out of the solution.
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How do you draw a Lewis diagram for C2H5OCH3 ?
The valence shell electrons in a molecule are depicted in an extremely simplified manner by a Lewis Structure.
What is Lewis structure?It is used to demonstrate how the electrons in a molecule are positioned around particular atoms.
Electrons are shown as "dots" or, in the case of a bond, as a line connecting the two atoms. The octet rule and formal charges must be met in order to achieve the "best" electron configuration.
A Lewis structure is a visual representation of the electron distribution around atoms. The reason for learning to draw Lewis structures is to forecast the amount and type of bonds that may be formed around an atom.
Therefore, The valence shell electrons in a molecule are depicted in an extremely simplified manner by a Lewis Structure.
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select whihc of the following standard entahlpy of formation values is not zer oat 25 mn ch4 fe cl2 n2
The standard enthalpy of formation for CH4, Fe, and Cl2 are all zero. The standard enthalpy of formation for N2 is not zero, as it is equal to -57.6 kJ/mol.
What is enthalpy?
A thermodynamic system's enthalpy, which is one of its properties, is calculated by adding the system's functional energy to the product of the its pressure and volume. It is a state function that is frequently used in measurements of chemical, biological, as well as physical systems at constant pressure, which the sizable surrounding atmosphere conveniently provides. The pressure-volume term describes the effort needed to create space for the system by displacing it's own surroundings in order to determine its physical dimensions. For solids and liquids under typical conditions, the pressure-volume word is very small, whereas it is only moderately small for gases. Therefore, enthalpy serves as a stand-in for energy throughout chemical systems; enthalpy differences are what are commonly referred to as bond, lattice, and solvation "energies" in chemistry.
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When solutions of strontium chloride and sodium sulfate react, which of the following is a spectator ion? A) strontium ion B) chloride ion C) sodium ion D) sulfate ion E) two of these
When solutions of strontium chloride and sodium sulphate react, two of these is a spectator ion.
So, option E is correct.
What do you mean by spectator ion?
Spectator ions may be either cations (positively-charged ions) or anions (negatively-charged ions). The ion is unchanged on both sides of a chemical equation and does not affect equilibrium. When writing a net ionic equation, spectator ions found in the original equation are ignored. Thus, the total ionic reaction is different from the net chemical reaction.
Spectator Ion Examples:
Consider the reaction between sodium chloride (NaCl) and copper sulfate (CuSO4) in aqueous solution.
2 NaCl (aq) + CuSO4 (aq) → 2 Na+ (aq) + SO42- (aq) + CuCl2 (s)
The ionic form of this reaction is:
2 Na+ (aq) + 2 Cl- (aq) + Cu2+ (aq) + SO42- (aq) → 2 Na+ (aq) + SO42- (aq) + CuCl2 (s)
The sodium ions and sulfate ion are the spectator ions in this reaction. They appear unchanged in both the product and reactant side of the equation. These ions just "spectate" while the other ions form the copper chloride. The spectator ions are canceled out of a reaction when writing the net ionic equation, so the net ionic equation for this example would be:
2 Cl- (aq) + Cu2+ (aq) → CuCl2 (s)
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Analyze The IR Spectrum For Camphor And Compare With The Literature Value.
The analysis of the IR Spectrum for Camphor depicts that there are peaks around 1780 cm-1 that show C=O stretching, 3000 cm-1 that shows C-H stretching, 1450 cm-1 and 1375 cm-1 that show CH2 and CH3 stretching, and 1050 cm-1 that shows C-O stretching.
What does IR mean in the spectrum?A popular absorption technique for both qualitative and quantitative evaluations is infrared (IR) spectroscopy. Electromagnetic radiation that can change the rotational and vibrational states of covalent bonds in organic molecules is found in the infrared portion of the spectrum.
The "Tongues" and "Swords" Are The Main Things To Look For In An IR Spectrum.
Is there a broad, rounded peak in the 3400-3200 cm-1 range? There are hydroxyl groups (OH) present.
Is there a strong, abrupt peak in the area between 1850 and 1630 cm-1? That is where carbonyl groups (C=O) appear.
Camphor is a waxy, colorless substance with a potent scent. It is categorized as a cyclic ketone and terpenoid.
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A 170. 00 g sample of an unidentified compound contains 29. 84 g sodium, 67. 49 g chromium, and 72. 67 g oxygen. Find the empirical formula.
The empirical formula is [tex]N_{a2C_{r2} } O_{7}[/tex].
Solution:
Mass of Na = 29.84 g
Mass of Cr = 67.49 g
Mass of O = 72.67 g
For Na = [tex]\frac{1.297}{1.297}[/tex] = 1
For Cr = [tex]\frac{1.297}{1.297}[/tex] = 1
For O = [tex]\frac{4.542}{1.297}[/tex] = 3.5
The ratio of Na: Cr: O = 1: 1: 3.5
To make the ratio in a whole number we are multiplying the ratio by 2, and we get:
The ratio of Na: Cr: O = 2: 2: 7
Taking the mole ratio as their subscripts.
The empirical formula for the given compound is[tex]N_{a2C_{r2} } O_{7}[/tex].
The empirical formula is the chemical formula of a compound and gives the proportion of elements present in the compound, but not the actual number or arrangement of atoms. This will be the smallest integer ratio of the elements in the compound. Derivation of the number of moles from the mass of each element. Divide the molar amount of each element by the minimum molar amount to get the exponent of the preliminary empirical formula.
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Which statements are true concerning a substance with a high specific heat?
a. An example substance is water.
b. The substance cools down slowly after heating.
c. The substance easily gets hot when heat is applied.
d. An example substance is aluminum metal.
The chemical progressively cools after heating. Another illustration of a substance is water..
What is specific heat, precisely?
The amount of energy required to elevate the temperature of 1 kilogram of a substance by 1 degree Celsius (°C) is known as specific heat. Since water has a higher specific heat than other substances, it requires more energy to raise its temperature.
In plain English, what's really specific heat capacity?
A pure substance's heating value per unit mass is referred to as its heat capacity, or just specific heat. It is represented in terms of J/kgK or, more accurately, J/kg°C and therefore is described as the amount of warmth required to raise the temperature pf 1 kg of a substance by 1 K.
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refer to the diagram to the right. the deadweight loss due to a monopoly is represented by the area
Deadweight loss is potential gain that did not go to producer or the Consumer.
As a result of deadweight losscombined surplus (wealth) of the monopoly and the Consumer is less than that obtained by consumer in a competitive market.
In the given figure deadweight loss is shown by area of FHE. That is the option A is correct.
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note- complete question is attached below
Refer to the diagram to the right. The deadweight loss due to a monopoly is represented by the area
A) FHE
B) FQ1Q2E
C) FGE
D) GEH
A 0.07 mol sample of octane, C8H18, absorbed 3.5 kJ of energy. Calculate the temperature increase of octane if the molar heat capacity of octane is 254.0 J/K•mol.
The temperature increase of octane if the molar heat capacity of octane is 254.0 J/K•mol is 0.197K.
How to calculate temperature?The temperature of a substance can be calculated using the following expression:
Q = mc∆T
Where;
Q = quantity of heat absorbed or releasedm = moles of the substancec = molar heat capacity∆T = change in temperatureAccording to this question, 0.07 moles of a sample of octane absorbed 3.5 kJ of energy. The temperature increase of octane if the molar heat capacity of octane is 254.0 J/K•mol. can be calculated as follows:
3.5 = 0.07 × 254 × ∆T
3.5 = 17.78∆T
∆T = 0.197K
Therefore, 0.197K is the temperature increase.
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