data displaying the beginning rate of a chemical reaction at various a concentrations. What is the reaction's order? The reaction has a three-step sequence.
Does feeling and reaction coincide?Feelings are the consciously felt expression of emotional reactions, whereas emotions are linked to physical reactions that are triggered by neurotransmitters and hormones generated by the brain.
The M Rate (M/s) in [A].
1. 0.15 0.014
2. 0.30 0.113
3. 0.60 0.905
To establish:
the reaction's sequence
The given reaction's rate can be stated as follows:
where k is the rate constant and rate equals k [A]n——(1)
[A] = the amount of A
n is the reaction order.
The Rates 1 and 2 can be stated as follows in light of Equation (1):
0.014 = k[0.15] .15]
ⁿ ———(3) (3)
0.113 = k[0.30] .30]
ⁿ———-(4)
The result of dividing equation (4) by (3) is [0.30/0]/0.1113. .15]
n 8 = 2ni.e. 23 = 2n n = 3 Response: Therefore, the reaction is in this order: 3.
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What is the research that is going on at the Sustainable Product Engineering Center for Innovative Function Coatings (SPECIFIC).
development of paint to cover building that is able to create store and release their own energy
making buildings for big cities to have more work space
development of power stations to make clean energy for cities use as a source of energy
A research that is going on at the Sustainable Product Engineering Center for Innovative Function Coatings (SPECIFIC) include the following: A. development of paint to cover building that is able to create, store, and release their own energy.
What is a research?In Science, a research is sometimes referred to as a study and it can be defined as an investigation which typically involves the process of gathering, collecting, or obtaining necessary information about a particular thing of interest such as renewable energy, in order to reach a logical conclusion with results.
What is renewable energy?Renewable energy is sometimes referred to as clean energy and it can be defined as a type of energy that is generated through only natural sources or technology-based processes that are replenished constantly.
Additionally, some examples of these natural sources for the generation of renewable energy include the following;
Water (hydropower).Wind (wind energy).Sun (solar power).GeothermalBiomassWavesAccording to the Sustainable Product Engineering Center for Innovative Function Coatings (SPECIFIC), there is an ongoing research that is focused on the development of paints with the ability to to create, store, and release their own energy.
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Classify the components as most accurately describing cofactors, coenzymes, or neither. Cofactors Coenzymes Neither ascorbic acid
Ascorbic acid can be defined as an electron donor and therefore it functions as a cofactor for diverse chemical reactions.
What is a cofactor of diverse chemical reactions?A cofactor of diverse chemical reactions can be defined as a non protein compound that is required for the enzyme, i.e., by the protein, in order ti can function normally such as occurs with ascorbic acid for many diverse chemical reactions that involve metabolic pathways in mammalian cells.
The cofactors are molecules that provide the required for the enzyme to function such as an electron donor required to the forming of the enzyme-substrate complex during anabolic pathways.
Therefore, with this data, we can see that a cofactor of diverse chemical reactions is able to provide the enzymes the help in order to carry out chemical reactions such as the conversion of one substrate to a product.
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the rate of effusion of substance a is three times the rate of effusion of substance b. if the molar mass of substance a is 4.00 g/mol, what is the molar mass of substance b?
The rate of effusion of substance a is three times the rate of effusion of substance b. if the molar mass of substance a is 4.00 g/mol, the molar mass of substance b is 5.98.
A chemical compound's molar mass is calculated by dividing its mass by the amount of the compound present in the sample, which is given as the number of moles in the sample and measured in moles. A substance's molar mass is a bulk characteristic rather than a molecular one. The molar mass of the substance is an average over many samples, which frequently have varying values due to isotopes. The molar mass is most usually estimated using the standard atomic weights and is a function of the relative abundance of the isotopes of the constituent elements on Earth.
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the radioactive decay of a sample containing an unknown radioactive isotope produced 9062 disintegrations per minute. 15.06 days later, the rate of decay was found to be 2421 disintegrations per minute. calculate the half-life in days for the unknown radioactive isotope.
the radioactive decay of a sample containing an unknown radioactive isotope produced 9062 disintegrations per minute. 15.06 days later, the rate of decay was found to be 2421 disintegrations per minute. Half life is 7.91 days
The half-life of an amount is the time it requires to reduce to half of its original value. In nuclear physics, the term is frequently used to define how quickly atoms undergo radioactivity or how long stable atoms stay alive. The term is also used to describe any type of exponentially decaying in general. In radioactive material, the time needed for one-half of an irradiated sample's atomic nuclei to decompose (change instantaneously into the other nuclear species by emitting particles and energy), or, equally, the time needed for the number of deformation and fracture per second of a radioactive.
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Victor put a match on a balance and found that its mass was 6.0 grams. Then he lit the match and put it out after a few seconds.
He put the partially burned match on the balance again. This time, its mass was 4.5 grams.
Which of the following best explains what happened as the match burned?
A.
Some of the matter changed from solid to gas and went into the air.
B.
The matter moved to a different part of the match.
C.
Some of the mass was destroyed by the fire.
D.
The mass of the match combined with the mass of the fire.
Place the cursor at the start of the text, then press CTRL+SHIFT+DOWN ARROW. Press CTRL+SHIFT+UP ARROW after advancing the cursor to the end of the paragraph. The Correct option is B.
How do you move the first sentence to the end of the paragraph in Word?The Ctrl+A keyboard shortcut in Word allows you to select all text in a document, and you can also use the mouse or keyboard to pick out individual words or objects from tables. Text or objects that are located in various locations can also be chosen. You can choose, for instance, a sentence from one page and a paragraph from another.The entire textIn the document, click anywhere.You can pick every word in the document by pressing Ctrl+A on your computer.The particular wording you wantAdditionally, you have the option of choosing a specific word, line of text, or one or more paragraphs.Your cursor should be placed in front of the first letter of the word, sentence, or paragraph you want to pick.To pick a text block, click and hold while dragging the cursor over it.Other options for selecting textQuickly click and drag the mouse over a word to choose it.By positioning your cursor at the beginning of a line of text and pressing Shift + down arrow, you can pick that line of text.Put your cursor at the beginning of the paragraph, then hit the down arrow while holding down the Ctrl and Shift keys to select the paragraph.To Learn more About end of the paragraph refer to:
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Which characteristic does inertia describe? responses how long an object is how long an object is how large an object is how large an object is how fast an object is moving how fast an object is moving how difficult it is to change an object's motion
Option C, Inertia describes how difficult it is to change the motion of an object.
What is meant by Inertia?The Latin term inerus, which meaning inert or slow, is where the word inertia originates. It may also refer to an object's resistance to a change in velocity.An object is said to have inertia if no external force forces it to change its speed or direction from its current state. Newton's first law of motion included a description of the concept of inertia. It is a propensity to do nothing or to do nothing different.Unless acted upon by an unbalanced force, an object remains at rest and an object in motion will remain to move at a constant speed and in a straight line. This is known as Newton's first law of motion (inertia).Learn more about Inertia refer to :
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va compound is found to be made of 82.659% carbon and 17.341% hydrogen. which choice is the empirical formula for this compound?
C) C2H5 , Butane is a hydrocarbon, or a substance made exclusively of hydrogen and carbon, that is used as LPG and lighter fluid. Its mass composition is 82.66% carbon and 17.34% hydrogen.
Utilized as LPG and lighter fluid, it has a bulk composition of 82.66% carbon and 17.34% hydrogen. Use the 100.0 g sample provided below to complete the exercise and get the empirical formula (a substance's empirical formula indicates the relative quantities of its carbon atoms). C2H5 is the empirical formula for the given values.
The complete question is:
A compound is found to be made of 82.659% carbon and 17.341% hydrogen. which choice is the empirical formula for this compound?
A) C4H10
B) CH
C) C2H5
D) CH2.50
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What makes a field forever unique?
From cotton fields to corn stalks, if this is what you mean, a forever field is unique in its own way by keeping all types of plants in the field. They are all different in how they grow and what they do.
assume there exists some hypothetical methat that exbihits ferromagnetic behavior and that has 1 simple cubic crystal strecutre, and atomic radius of 0.130 nm and a saturation flux density of 0.75 tesla. determine the number of bohr magnetons per atom for this material
When compared to a hypothetical ferromagnetic metal with a single simple cubic crystal structure, this substance possesses 1.14 bohr magnetons per atom.
Given that the cubic crystal atomic radius (r) is 0.130 nm
crystal structure's saturation flux density is equal to 0.75 tesla.
We are aware that n = M/N = B/0N.
n = BVc/0N, where BVc is the bohr magneton and Vc is the volume of the crystal.
N = 0.75x(2x0.130x10-9)3)/n = B(2r)3/0 (1.25x10-26x9.27x10-24)
n = 13.18x10-30/11.5x10-50 = 1.14x10^20
Therefore, this cubic crystal substance has 1.14 bohr magnetons per atom.
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During one month andre used 785 gallons of water at his home. There are approximately 3. 8 liters in 1 gallon.
Answer:
Explanation:
2983 Liters did the exam dont worry
how does an atom of nitrogen become an ion?
Answer: A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon.
Explanation:
potassium dichromate, k2cr2o7, is used in tanning leather, decorating porcelain, and water proofing fabrics. calculate the number of chromium atoms in 78.82 g of k2cr2o7..
The number of chromium atoms present in 78.82 g of potassium dichromate are 2.98×[tex]10^{23}[/tex]
Molecular mass is the molar mass, or M, is a physical characteristic in chemistry that is defined as the mass of a particular substance divided by the quantity of that material. For molar mass, the fundamental SI unit is kg/mol. One mole is a collection of 6.022 ×10²³ particles, be the atoms, molecules, ions , electrons, photons or any other things. This value of 6.022 ×10²³ is the Avogadro's number.
1 mole [tex]K_{2}Cr_{2}O_{7}[/tex] = 294.18 g [tex]K_{2}Cr_{2}O_{7}[/tex] contains 2 moles Cr = 2×6.023 × [tex]10^{23}[/tex]Cr atoms.
So, 72.8g [tex]K_{2}Cr_{2}O_{7}[/tex] contains (72.84/294.18)×2×6.023×[tex]10^{23}[/tex] Cr atoms
= 2.98 × [tex]10^{23}[/tex]
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for water to change into the gas phase, energy is required to break hydrogen bonds between h2o molecules. this energy is referred to as: a. latent heat b. specific heat capacity c. sensible heat d. kinetic energy
For water to change into the gas phase, energy is required to break hydrogen bonds between H₂O molecules. This energy is referred to as Latent heat. So, the right option is A.
Energy is needed for the conversion of a solid into a liquid, a liquid into a gas, or a solid into a gas. Energy will be released during fusion, condensation, or the transformation of gas into solid or liquid.
Latent heat of evaporation is the term used to describe the energy needed to change a liquid into a gas.
The molecules of water in a liquid are held together by hydrogen bonds. A single molecule must therefore have enough energy to break all of its hydrogen bonds with neighboring molecules before dissolving in order for it to evaporate. Since this molecule must have obtained its internal energy from the remaining liquid, every vaporizing molecule absorbs the same quantity from it. For this energy loss, the phrase "latent heat of vaporization" is used.
So, the correct option is C. Latent heat.
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Need answers to this
Explanation:
1. h. (binary means 2 things in the system).
2. f.
3. e.
4. b.
5. c (ternary means 3 things in the system)
6. d.
7. a.
8. g ("poly" means several or many)
ion channels: a. only open in response to a signal of some kind. b. require input of energy in order to function
Only in reaction to some sort of stimulus do ion channels open.
Simple definition of an ion channel.Ion channels are cellular membrane pores that allow ions to pass through the impermeable lipid cell membrane.
How are ion channels used?Ion channels were protein molecules that cross a cell's membrane to let ions travel from one of the membrane's sides to the other. They contain an aqueous hole that opens when a shape change inside the protein complexes causes an ion channel to do so.
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A 75 mL sample of He gas is at 97°C and 0.975 atm. If the sample is cooled to 29°C and the pressure is increased to 1.25 atm, what will the new volume be?
2194.14is the new volume .These laws are described by equations that are variations on the ideal gas law, PV is nRT
How would you determine the volume, temperature, pressure, and amount of gas in a sample under the circumstances?These laws are described by equations that are variations on the ideal gas law, PV = nRT, where P is the gas's pressure, V is its volume, n is the number of moles in the gas, T is its kelvin temperature, and R is the ideal (universal) gas constant.The ideal gas law, PV = nRT, should be reviewed first. P is the ideal gas constant, V the volume in liters, n the number of particles in moles, T the temperature in Kelvin, and n the number of atmospheres in this equation (0.0821 liter atmospheres per moles Kelvin).These laws are described by equations that are variations on the ideal gas law, PV = nRT, where P is the gas's pressure, V is its volume, n is the number of moles in the gas, T is its kelvin temperature, and R is the ideal (universal) gas constant.Explanation:
The ideal gas law, PV = nRT,
97 * 0.975*29 = 2742.675/1.25 = 2194.14.
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8) Is there more gravitational force on the earth or moon? Why?
Answer:
Explanation:
So, to begin answering your question, Earth has a greater gravitational pull than the moon simply because the Earth is more massive. The moon's gravitational pull also affects Earth, though; the rising and falling of the tides are an effect of the moon's gravity. HOPE THIS HELPS ^^
How much energy must be added to the reaction: 2 H₂O(g) → 2H₂(g) + 20, (g)?
kJ
It goes as follows: 2H2(g) + O2(g) 2H2O(g); H ≈ -484 Kilojoules. To create water, the forward reaction occurs 484 kilojoules of energy.
What is the purpose of kJ?Kilojoules are the units used to measure the energy that comes from food and liquids (kJ). Calorie is known as this in metric systems. Calories and kilojoules are equivalent units of energy. Four kilojoules make up one calorie.
How many kilojoules is a kilogram?A total energy deficit required to lose one kilogram of lean muscle, such as muscle, is around 7600 kilojoules. However, the energy deficit must be five times higher—roughly 39,500 kilojoules—to lose one kilogram of body fat.
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Answer: 483.64
Explanation: This is the right answer on edge ik cuz i just answered this question and got it right.....Hope this helps u out!! :D
_C+_SO₂ → __CS2+
CO
coefficients of balanced equations added together
Answer:
5C + 2SO2 => CS2 + 4CO
Explanation:
5C + 2SO2 => CS2 + 4CO
C = 5
S = 2
O = 4
when a system is at equilibrium, which of the following values are always equal? a the rate of the forward and reverse reactions b the rate of the forward reaction and the concentration of the reactants c the concentrations of the reactants and products
The rate of forward and reverse reaction.
Equilibrium occurs when the rates of the forward and reverse reactions are equal.
At equilibrium, the concentrations of each reactant and product are both constant. The ratio of the reactant and product concentrations does not vary at the equilibrium temperature when a reaction is at an equilibrium state. This indicates that the concentrations of the reactants and products remain unchanged at equilibrium. According to another definition, a chemical reaction is at equilibrium when the rates of the forward and reverse reactions are equal.
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which set of elements is arranged in order of increasing electronegativity? which set of elements is arranged in order of increasing electronegativity? ga < ge < p < n p < n < ge < ga ge < n < ga < p n < p < ge < ga
The electronegativity is n < p < ge < ga.
What is electronegativity?Electronegativity is a measure of an atom's ability to attract electrons when it forms a chemical bond with another atom. It is based on the Pauling Scale, which assigns values to elements based on their tendency to attract electrons when they form bonds. Electronegativity increases from left to right across the periodic table, and increases from the bottom to the top of the periodic table.
The correct answer is n < p < ge < ga. This is because electronegativity increases as we move down a group in the periodic table and from left to right across a period.
Therefore, the element with the highest electronegativity is at the bottom right corner of the periodic table, which is gaseous, followed by Germanium, Phosphorus, and then Nitrogen.
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what is the solubility (in moles/liter) of pbcl2 in a solution that is 0.15 m solution in hcl? (ksp pbcl2
the solubility (in moles/liter) of pbcl2 in a solution that is 0.15 m solution in hcl? (ksp pbcl2
Solubility of PbCl2 = 7.11×10−4 mol⋅L−1
The maximum amount of a chemical that will dissolve in a given amount of solvent at a given temperature is referred to as its solubility. Varying compounds have very different solubilities, which is a characteristic of a particular solute-solvent pair.What is solubility, for instance?
A typical illustration of a solution is the addition of sugar cubes to a cup of tea or coffee. Solubility is a quality that aids in the dissolution of sugar molecules. Thus, the ability of a substance (solute) to dissolve in a specific solvent can be defined as solubility.
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which salt dissolves in water to form an acidic solution ammonium nitrate sodium ethanoate potassium chloride sodium hydrogen carbonate
According to the information provided, ammonium chloride salt produces an acidic solution when dissolved in water.
What is the purpose of ammonium nitrate in farming?Ammonium nitrate is used by animal farmers for fertilising pasture and hay since urea-based fertilisers have a tendency to volatilize first from soil before the plants can utilise them. Additionally, it is very soluble, making it a good choice for irrigation systems.
Is ammonium nitrate harmful to humans?Ammonium nitrate is safe to handle under typical circumstances. However, breathing in large amounts or ammonium nitrate powder might irritate the respiratory system. Coughing, sore throats, breathing difficulties, and even suffocation are examples of symptoms.
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What is mechanical advantage? A. output work divided by input work. B. Input work divided by output work. C. Input force divided by output force. D. Output force divided by input force. please help!! If you answer correctly i'll give you 5 stars!!
Output force divided by input force is the mechanical advantage.
Why is it referred to as mechanical advantage?A tool, mechanical device, or machine system's ability to amplify force is known as its mechanical advantage. The system simply balances forces against movement in order to achieve the desired output force amplification while maintaining the input power. The law of the lever can be used as an example for this.
Levers and pulleys are examples of simple machines that use mechanical advantage, a measurement of the ratio of output force to input force in a system.
A calculation known as a mechanical advantage quantifies the amplified force that a mechanical system absorbs. It provides the ratio of force applied to the load to force required to overcome that force. Since the two ratio quantities are the force, the expression has no units.
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What element could react with nitrite to form an ionic bond?
Ionic molecules known as salts of nitrous acid include the nitrite ion, NO-2, and a positive ion, such Na+ in sodium nitrite (NaNO2)
What does possessing nitrites in your urine mean?So, if your urine contains nitrites, you probably have an urinary tract infection. (UTI). One of the most prevalent types of illnesses, particularly among women, is the UTI. Most UTIs damage the urethra and bladder (the tube that carries urine out of your body). Luckily, the majority of UTIs are not dangerous.
How can nitrites in urine be eliminated?Just when you have an urinary infection do you get nitrates in your urine, or nitrituria (UTI). Nitrites are found in the urine during urinalysis. UTI-causing bacteria are eradicated by antibiotics.
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acetic acid and ethanol react to form ethyl acetate and water, like this: (aq)(aq)(aq)(l) imagine of are removed from a flask containing a mixture of , , and at equilibrium, and then answer the following questions. what is the rate of the reverse reaction before any c2h5co2ch3 has been removed from the flask? zero. greater than zero, but less than the rate of the forward reaction. greater than zero, and equal to the rate of the forward reaction. greater than zero, and greater than the rate of the forward reaction. what is the rate of the reverse reaction just after the c2h5co2ch3 has been removed from the flask? zero. greater than zero, but less than the rate of the forward reaction. greater than zero, and equal to the rate of the forward reaction. greater than zero, and greater than the rate of the forward reaction. what is the rate of the reverse reaction when the system has again reached equilibrium? zero. greater than zero, but less than the rate of the forward reaction. greater than zero, and equal to the rate of the forward reaction. greater than zero, and greater than the rate of the forward reaction. how much less c2h5co2ch3 is in the flask when the system has again reached equilibrium? none. some, but less than 210. mmol. 210. mmol. more than 210. mmol.
Greater than zero and equivalent to the pace at which the reaction is going in the opposite direction
It is stated that the system was in equilibrium before any [tex]C_{2}H_{5}CO_{2}CH_{3}[/tex] was taken out of it or put back in. This indicates that the rate of consumption of reactants and the rate of creation of products are both larger than zero and equal. Since these rates are equal, it follows that both the forward and backward reactions are taking place at these rates.
Chemical equilibrium refers to the situation in a chemical reaction where both the reactants and products are present in concentrations that have no further tendency to change over time, preventing any discernible change in the system's properties.
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What is the pH of a 350 ml solution containing 0.25 grams of dissolved HBrO3?
The pH of the 350 mL solution containing 0.25 grams of dissolved HBrO₃ is 2.2
How do I determine the pH of the solution?First, we shalll obtain the molarity of the solution. Details below:
Mass of HBrO₃ = 0.25 gMolar mass of HBrO₃ = 129 g/molMole of HBrO₃ = mass / molar mass = 0.25 / 123 = 0.002 moleVolume = 350 mL = 350 / 1000 = 0.350 LMolarity = ?Molarity = mole / volume
Molarity = 0.002 / 0.350
Molarity = 0.006 M
Next, we shall obtain the hydrogen ion, H⁺ concentration. This can be obtained as follow:
HBrO₃(aq) <=> H⁺(aq) + BrO₃¯(aq)
From the balanced equation above,
1 mole of HBrO₃ contains 1 mole of H⁺
Therefore,
0.006 M HBrO₃ will also contain 0.006 M H⁺
Finally, we shall determine the pH of the solution. Details below:
Hydrogen ion concentration [H⁺] = 0.006 MpH of solution =?pH = -Log H⁺
pH = -Log 0.006
pH = 2.2
Thus, the pH of the solution is 2.2
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describe the differences between electron transfers involving organic molecules that act as electron carriers (nad /nadh, fad/fadh2, q/qh2) and transfers involving the metals that act as electron carriers (fe2 /fe3 , cu /cu 2) in electron transport
The basic difference between NADH and FADH₂ is their tendency to donate electrons. NADH is a good donor of electrons in a redox reaction whereas FADH₂ is not that much good.
The electron transport chain is a collection of membrane-embedded proteins that are organised in four large complexes labelled from I to IV. In NADH electrons are in very high energy level as compared to FADH₂ , so they can be easily transferred to complexes through the four phases in a redox reaction but in FADH₂, the electrons are in a bit low energy level, so they are not transferred in a redox reaction through the membrane. The transfers involving the metals such as Fe₂ or Cu₂ that act as electron carriers in electron transport is formerly based on their valencey in the redox reactions. Hence, it's clear that the valency of metals plays a major role here and in organic molecules, tendency to transfer electrons is significant.
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assume there exists some hypothetical metal that exhibits ferromagnetic behavior and that has 1 simple cubic crystal structure, and atomic radius of 0.130 nm and a saturation flux density of 0.75 tesla. determine the number of bohr magnetons per atom for this material
The number of bohr magnetons per atom for this material is 1.14 when some hypothetical metal that exhibits ferromagnetic behavior and that has 1 simple cubic crystal structure.
Given atomic radius of crystal structure (r) = 0.130nm
saturation flux density of crystal structure = 0.75tesla
We know that n = M/µN = B/µ0µN
n = BVc/µ0µN where Vc is the volume of crystal and B is bohr magneton
n = B(2r)^3/µ0µN = 0.75x(2x0.130x10-9)^3)/(1.25x10-26x9.27x10-24)
n = 13.18x10-30/11.5x10-50 = 1.14x10^20
Hence the number of bohr magnetons per atom for this material is 1.14 .
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Light passing through a transparent medium has a wavelength of 466 nm and a frequency of 6.20 × 1014 s-1. What is the speed of the light in the medium?
Speed =frequency × wavelength
=466 x 6.20 x [tex]10^{14}[/tex]
=2.8892 x [tex]10^{17}[/tex] m/s
What is the speed of light?
The rate at which light waves go through various materials at the speed of light. Specifically, the speed of light in a vacuum is presently calculated to be 299,792,458 metres per second.
One of nature's basic constants is the speed of light. Its importance extends far beyond its use in characterizing an aspect of electromagnetic waves. It acts as the universe's only limiting velocity, setting an upper limit on both the speed of all material particles and the speed at which signals can travel. The speed of light (c) acts as a constant of proportionality in the well-known relativity equation, E = mc2, connecting the heretofore dissimilar ideas of mass (m) and energy (E).
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