The answer will be E if the query is correct. Following the treatment of the molecule below with ozone, zinc metal, and water, eight carbonyl groups are produced.
Exactly what is a carbonyl group?
A double bond connecting a carbonyl carbon atom and a carbonyl oxygen atom makes up a carbonyl group. Two of the six valence electrons that the carbonyl oxygen atom has are shared with the carbonyl carbon atom. Two sets of electron lone pairs make up the four valence electrons that are still present.
How many different kinds of carbonyl groups exist?
Aldehydes, ketones, carboxylic acids, acid chlorides, acid anhydrides, esters, lactones, amides, and lactams are examples of compounds that include carbonyl groups..
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The primary ingredient of most shampoos is:
Answer: Water
Explanation: Water is the main ingredient in most shampoos. The second ingredient that most shampoos have in common is the primary surfactant (or base detergent). Surfactants are cleansing or surface active agents.
A certain brand of canned soup contains 2.26g NaCl in a single-cup serving. what is the molarity of NaCl in the soup? (Note: 4 c = 0.946 L.)
The molarity of the solution is 0.0597 M.
What is the molarity?We know that the molarity has to do with the number of moles of the substances that is found in a given volume of solution. Thus the term molarity has to do with the amount of substance that is present.
We have that;
Mass of the sodium chloride = 2.26g
Molar mass of the sodium chloride = 40 g/mol
Volume of the solution = 0.946 L
Number of moles = 2.26g/ 40 g/mol
= 0.0565 moles
Molarity = 0.0565 moles/0.946 L
= 0.0597 M
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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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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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If an element has an atomic number of 15 then (a) the atomic mass must also be 15 (b) the atom has 15 electrons (c) there are 7 electrons in the outermost shell (d) the atom has 15 neutrons (e) the atom must have only one orbital
Answer:
if an element has atomic number of 15 then the atom has 15 electrons also.
Option (b)
Explanation:
remember the atomic number of an element is also the number of protons of that element, we know that protons have a positive charge, neutrons have no charge and electrons have a negative charge.
we also know that an element is atomically neutral, meaning it overall has no charge, this is because the positive proton attracts a negative electron and hence their charges cancel off.
this is why in all elements, the atomic number(proton number) will always be equal to the electron number.
Note the neutron number cannot be predicted this way, as far as I know, the neutron purpose is mainly to add Mass to the atom so that it can be more stable, though often times the neutron number is similar to the proton number also. You're not required to learn off atomic masses as far as I know because it will be given to you in the exams
Tablets taken by patients suffering from anaemia contain 0. 2 g of iron sulphate (feso4). Calculate the mass of iron in each tablet to 2 decimal places.
Each iron tablet contains 152 g of iron.
The substance listed here is iron sulfate, and its chemical formula is FeSO4.
The compound's relative formula mass is calculated by multiplying the atomic masses of its constituent parts, and it is then given in grams.
The atomic mass of Fe = 55.845
The atomic mass of S = 32.065
The atomic mass of O = 15.994
So;
Relative formula mass is calculated as 55.845 + 32.065 + 4(15.994) = 151.886g
Therefore, the solution is 152g
A particle's or object's mass, a dimensionless quantity, is used to represent how much matter is there (symbolized m). The kilogram is the chosen unit of mass according to the International System (SI) (kg).
In physics, mass is a way to quantify inertia, a fundamental property of all matter.
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A 250-L tank is evacuated and connected to a 50.0-L bulb filled with compressed argon. After they are joined, the pressure in the bulb falls to 2.20 atm. If the temperature remains at 25 °C throughout the process, what was the initial pressure in the 50.0-L bulb?
The initial pressure in the 50.0L bulb is 2.75 atm.
What is Boyle's Law?According to Boyle's law in a constant temperature, the volume of a gas is inversely proportional to its pressure.
V ∝ 1/P
PV = constant.
It is given to us, Initial volume(V) = 250L and Final volume(V') = 50.0 L
Say final pressure is P', that implies initial pressure P = P'- 2.20
Now, according to the concept of Boyle's law, PV = P'V'
⇒P' = PV/V'
⇒P' = (P'-2.20)*250 / 50
⇒P' = 2.75 atm
So, the initial pressure in the 50.0L bulb is 2.75 atm.
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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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XeF3+
a. Lewis structure?
b. geometry?
c. hybrid bonds used?
d. formal charge on each atom?
e. a bond angle between a surrounding atom, the central atom and another surrounding atom?
f.)polar? nonpolar? or NA
The process of two complementary single-stranded DNA and/or RNA molecules joining together to generate a double-stranded molecule is known as hybridization in the context of genomics. The proper base pairing between the two single-stranded molecules is necessary for the bonding.Sp3 hybridization is the process of hybridization in which the 1s and 3p orbitals of the same element are mixed and recast to create new hybrid orbitals with the same energy, symmetry, and fixed orientation in space. An example is the creation of the methane molecule.
Linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral are the five fundamental hybridization shapes.
To find the formal charge of a Lewis structure, count the number of electrons "owned" by each atom. Count all lone pairs and half of the bond electrons. The difference between the number of valence electrons in an atom and the number it has is the formal charge. Fluorine (and all halogens) tend to form bonds and have three unshared pairs of electrons. None of these atoms have a formal charge in their electronic configuration.
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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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Which of the following is an alpha-keto acid/alpha-amino acid pair used in transamination? A) Pyruvate/leucineB) Oxaloacetate/aspartateC) Oxaloacetate/glutamateD) a-ketoglutarate/aspartateE) a-keto-b-hydroxybutyrate/phenylalanine
Answer is option B- Oxaloacetate/aspartate is an alpha-keto acid/alpha-amino acid pair used in transamination.
To create the amino acid version of the keto-acid and the keto-acid version of the original amino acid, amino groups are removed from amino acids and transferred to acceptor keto-acids by the process of transamination.
An amino group is transferred from one molecule to another during transamination. The formation of -ketoglutaric acid and aspartic acid from the interaction of glutamic acid and oxaloacetic acid serves as an example of this.
The reversible transfer of an amino group from glutamate to oxaloacetate, which results in the production of aspartate, is physiologically catalyzed by the enzyme AST. The enzyme was therefore previously known as serum glutamic-oxaloacetic transaminase.
Hence, Oxaloacetate/aspartate is an alpha-keto acid/alpha-amino acid pair used in transamination.
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[tex]\mathrm{Cr}[/tex] is a member of which family?
noble gases
halogens
alkaline earth metals
alkali metals
transition metals
Answer:
transition metals
Explanation:
It is shown in the periodic table. It has an atomic number of 24 and exhibits characters which makes it to be a transition element.
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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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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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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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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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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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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The ideal gas law displays the relationship in which of the following? Select all that apply. Select all that apply: A.Amontons's law B.Charles's law C.Boyle's law D.Avogadro's law
Amontons's law, Charles's law, Boyle's law and Avogadro's law are applied in ideal gas equation.
According to Boyle's Law, gas volume grows as pressure lowers. According to Charles' Law, a gas expands in volume as its temperature rises. Additionally, Avogadro's Law states that as gas concentration rises, so does its volume. The macroscopic characteristics of ideal gases are related by the ideal gas law (PV = nRT). A gas is considered to be ideal if its particles neither attract nor repel one another and occupy any space (have no volume).
Hence, ideal gas equation summation of individual gas laws.
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BONUS: What process does this chemical reaction represent? 6CO2 + 6H2O —> C6H12O6 + 6O2
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 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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li2s lewis structure
Give formulas corresponding to the following names: (a) Potassium tris(oxalato)chromate(lli) (b) Tris(ethylenediamine) cobalt(III) pentacyanoiodomanganate(Il) (c) Diamminediaquabromochloroaluminum nitrate
To solve the given problems, there are some rules for naming these compounds in coordination chemistry.
What is the nomenclature for naming coordination compounds?Cation is always named before anion.The amount of ligands of a certain type is a numerical prefix.We name the ligands in the complex ion before the metal ion, in alphabetically sequence.the oxidation state of metal ion is denoted by roman numerals in parenthesis For the anion complex, the metal name's ending is replaced with -ate.Molecular names are most frequently seen in neutral ligands, whereas anionic ligands remove the -ide & add -o to the root name.Some other rules for writing formula-
Cation and anion charges are balanced by one another.Outside of the brackets, we write the counterions.Now, as per the given questions we can write the formulas-
a) [tex]K_{3}[Cr(C_{2}O_{4})_{3}][/tex]
b) [tex][Co(en)_{3}]_{4} [Mn(CN)_{5}I]_{3}[/tex]
c) [tex][Al(H_{2}O) _{2}(NH_{3}) _{2}BrCl]NO_{3}[/tex]
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Please helpp!!!!
1. Covering with greases on the iron makes _____________ .
1. stopping air and water from being in contact with the iron.
2. reacting with oxygen and/or water instead of iron
3. slipping the foreign materials
2. Which substance can react with copper to make copper carbonate?
3. What is the product of the combustion reaction of lithium.
4. In presenting the evidence in the table, the variable you change is written in the ___________.
1. left column
2. middle column
3. left row
4. right column
5.The iron corrosion, rusting, can be prevented by coating with __________, __________ and __________ .
6.In the chemical reaction, the substances you end up with are different from the ones you started with is called __________.
1. are not reversible
2. create new substances
3. compound
4. mixture
7. A ______________ is a chemical reaction that happens on the surface of a metal.
1. combustion reaction
2. corrosion reaction
3. metal reaction
4. acid reaction
8.In a chemical equation, the reactants and products are ____________ from each other.
1.different
2. the same
3. separated
4. obtained
9. As silver reacts with polluted air, a black compound, _____________ is formed.
1.silver carbonate
2. silver sulfide
3. silver oxide
4. silver alloy
1) Covering with greases on the iron stops air and water from being in contact with the iron.
2) The substance that can react with copper to make copper carbonate is silver carbonate
3) The combustion of lithium produces lithium oxide
4) The table is not shown hence the question can not be answered
5) another metal, oil and grease
6) The chemical reaction creates new substances.
7) A corrosion reaction is a chemical reaction that happens on the surface of a metal.
8) .In a chemical equation, the reactants and products are different from each other.
9) As silver reacts with polluted air, a black compound, silver oxide is formed.
What is oxidation?In the process of oxidation, we are just burning up a substance in oxygen. When we burn the substance in oxygen, there is an increase in the oxidation number of the object and oxygen is also added to the object. This is what we call oxidation of a substances.
Now we know that oxygen is abundant in the universe and thus it can be used in the burning of a substances. In effect we can look at the process of combustion as a situation in which we burn an object in air.
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Which of the following is
the BEST reason to reduce
pollution rather than trying
to clean polluted waters?
A. cleaning polluted waters is difficult
and expensive
B. reducing pollution is easy
C. reducing pollution is cheap
D. cleaning polluted waters is very
cheap
Cleaning polluted waters is difficult and expensive.
What is water pollution?
Water contamination occurs when pollutants contaminate water source and render the water unfit for use in drinking, cooking, cleaning, swimming, and other activities. Germs, dust,and parasites are examples of pollutants.
Why is cleaning polluted water difficult?
Reversing the impacts of water contamination is exceedingly challenging. Even with costly technology, it can take years to completely purify the water because natural processes can take years, decades, or even centuries. Even though water is polluted, there are some ways to reduce pollution. They are
Dispose of dangerous household goods properlyReduce or stop using chemical pesticides, herbicides, and fertilizersSet up a time to get your septic system serviced.Use native plants in your landscaping.Fix any barren areas in your yard.Creating a rain gardenHence, option A is correct.
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Describe the orbital diagram of an atom with eight electrons. Explain how this orbital diagram demonstrates Hund's rule.
The orbital diagram of the eight electron atom is shown in the image attached.
What is Hund's rule?The Hund's rule states that the electrons that are found in atom must be filled singly first before pairing can occur. In this case we are dealing with an atom that has a total of eight electrons.
In looking at the orbital diagram, we are going to observe that the five orbitals would first be filed then we would now start to pair the orbitals until we fill in all of the eight electrons as shown in the image attached.
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Answer:
We have an electron that has six electrons, and there are two electrons that singly occupy the 2p orbitals. According to Hund's rule, electrons arise singly in an atom before pairing occurs.
Explanation:
what is an acidic oxide
Explanation: An acidic oxide is an oxide that either produces an acidic solution upon addition to water, or acts as an acceptor of hydroxide ions effectively functioning as a Lewis acid. Examples include SO2, CO2, SO3, Cl2O7, P2O5, and N2O5.
Answer:
An acidic oxide is an oxide that either produces an acidic solution upon addition to water, or acts as an acceptor of hydroxide ions effectively functioning as a Lewis acid.[1] Acidic oxides will typically have a low pKa and may be inorganic or organic.
In the next three problems, we will attempt to solve the problem: What is the standard entropy change for the combustion of 1 mole of diamond at room temperature?C (s, diamond) +O2( g)→CO2
For the combustion of 1 mole of diamond at room temperature, the standard entropy change is 6.22 J/K mol.
The reaction is given as :
C (diamond) + O₂ -----> CO₂
At room temperature the value of S° is given as follows :
carbon, C = 2.38 J / Kmol
oxygen, O₂ = 205.2 J/Kmol
carbon dioxide, CO₂ = 213.8 J/Kmol
The standard entropy change is given as :
ΔS° = ∑S° product - ∑ S° reactant
ΔS° = ( 213.8 ) - ( 2.38 + 205.2)
ΔS° = 213.8 - 207.58
ΔS° = 6.22 J / K mol
The standard entropy change for the combustion of 1 mole of diamond at room temperature is 6.22 J / K mol.
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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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