how to find partial pressure of two elements a and b and when equilibrium is reestablished the partial pressure of ab2?
Answers
To find the partial pressure of two elements, A and B, we can use the equation.
P_total = P_A + P_B, where P_total is the total pressure exerted by the mixture of the two gases, and P_A and P_B are the partial pressures of the two gases in the mixture.
When equilibrium is re-established, the partial pressure of AB2 can be calculated using the following equation:
2AB2(g) ⇌ 2A(g) + B2(g)
At equilibrium, the partial pressure of AB2 can be represented as P(AB2), and the partial pressures of A and B can be represented as P(A) and P(B), respectively.
Using the law of mass action, the equilibrium constant can be expressed as follows:
Kc = [A]2[B]2/[AB2]2At equilibrium, the following relationship holds:
P(A)2 x P(B)2 / P(AB2)2 = Kc
Rearranging this equation gives us: P(AB2)2 = P(A)2 x P(B)2 / Kc. Taking the square root of both sides of the equation yields:
P(AB2) = [P(A) x P(B)] / √Kc
Thus, the partial pressure of AB2 at equilibrium can be determined using the partial pressures of A and B and the equilibrium constant.
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Related Questions
nitrogen and oxygen can react to form nitrite oxide gas. N2(g)+O2(g) arrow 2NO(g) delta h reaction = 180.6kj. if 2976 kj of heat is absorbed by the reaction how many moles of NO can be produced
Answers
The balanced equation for the reaction is N2(g) + O2(g) → 2NO(g).
The given value for the enthalpy change of the reaction is ΔH = 180.6 kJ. This value represents the heat released per mole of N2 reacted.
To determine the number of moles of NO produced, we need to calculate the moles of N2 reacted. Since the reaction is exothermic, the heat absorbed by the reaction is negative (-2976 kJ). However, it is not physically possible to have a negative number of moles. Therefore, we can conclude that no NO is produced in this case because the heat absorbed is insufficient to drive the reaction.
Using the equation ΔH = -2976 kJ/mol N2, we can set up a proportion:
180.6 kJ/1 mol N2 = -2976 kJ/x mol N2
Solving for x, we find:
x = (-2976 kJ * 1 mol N2) / (180.6 kJ) ≈ -16.46 mol N2
Since the reaction produces 2 moles of NO for every mole of N2, the number of moles of NO produced is twice the number of moles of N2:
Moles of NO = 2 * (-16.46 mol) ≈ -32.92 mol
The given reaction is N2(g) + O2(g) → 2NO(g), and the enthalpy change of the reaction is ΔH = 180.6 kJ. If the reaction absorbs 2976 kJ of heat, the number of moles of NO that can be produced can be calculated. By setting up a proportion, we find that approximately -16.46 moles of N2 are reacted. Since the reaction produces 2 moles of NO for every mole of N2, the calculated moles of NO would be approximately -32.92. However, negative moles are not physically possible, indicating that no NO can be produced in this case due to insufficient heat absorbed by the reaction.
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Order these atoms from the highest to lowest amount of protons.
1. gallium
2. tin
3. potassium
4. barium
5. aluminum
Answers
If you have any more questions like this search up a periodic table also, only if it helps. The number over each symbol is the protons.
the density of selenium is 4.79 g*cm^-3 what is the mass of 6.5 cm^3 of selenium
Answers
Answer: 31 g
Explanation:
You are being asked to find the mass based on 6.5 cm³.
Just a side note that 1 cm³ is the same as 1 mL.
Step 1: Use density as a conversion factor to find the mass of selenium. You want grams of selenium so cm³ unit needs to cancel.
6.5 cm³ x (4.79 g/cm³) = 31.135 g = 31 g to 2 significant figures.
Selenium has a density of 4.79 g*cm-3. 6.5 cm3 of selenium thus mass 31.065 g. A body's mass is an inherent quality. It was once thought to be connected to the amount of matter in a physical body,
Multiplying the density and volume of 6.5 cm3 of selenium will provide its mass. Volume (V) / Mass (m) equals density (rho). Mass (m) = Density (rho) * Volume, rearranged (V). Mass (m) is calculated by multiplying the supplied data by 4.79 g/cm3 * 6.5 cm3. Weight (g) (m) = 31.065 g. 6.5 cm3 of selenium thus weighs 31.065 g.
a measurement of how much matter is present in or makes up a physical body. In classical mechanics, an object's mass is crucial to Newton's laws of motion because it influences the force needed to accelerate it and, consequently, how much inertia it has.
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explain a mixture of molecules
Answers
Answer:
A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.
Explanation:
I'm not sure which category this is. But please help me on this!!
Two piles of heavy boxes must be lifted onto a shelf. Each pile has 20 boxes and each box is the same size and weight. Tom and Claudia are each responsible for a pile. Tom lifts each box straight up from the pile to the shelf. Claudia places a long, gradual ramp that leads from the pile to the shelf. She pushes each box up the ramp until it rests on the shelf.
(Tom used more force.)
Compare the distance each person moved each box. Who moved the boxes a longer distance?
Answers
Answer:
Tom
Explanation:
Simply because we see Claudia used a shortcut. Tom uses more physical force than Claudia, since Claudia only had to push the boxes into there required shelves.
Part A What are the four quantum numbers for each of the two electrons in a 4s orbital? For first electron: n=4, l=3, ml=3, ms=+1/2 n=3, l=1, ml=0, ms=-1/2 n=1, l=0, ml=0, ms=-1/2 n=4, l=0, ml=0, ms=+1/2
Answers
For an electron in 4s orbital, the principal quantum number is 4, Azimuthal quantum number is 0, magnetic quantum number is 0 and spin quantum number is -1/2 or + 1/2.
There are four quantum numbers are used to describe completely the movement and trajectories of each electron within an atom. In atoms, there are a total of four quantum numbers. Principal quantum number n, designates the principal electron shell. The magnetic quantum number ml determines the number of orbitals and their orientation within a subshell. Electron spin quantum number designates the direction of the electron spin and may have a spin of +1/2. The orbital angular momentum quantum number determines the shape of an orbital, and therefore the angular distribution. The number of angular nodes is equal to the value of the angular momentum quantum number l.
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How does the ionosphere affect radio frequencies?
Group of answer choices
FM frequencies are not reflected and shortwave frequencies are bounced off the ionosphere and back to Earth several times.
FM frequencies are bounced back to Earth and back several times.
Shortwave radio frequencies are absorbed by the ionosphere and FM frequencies pass through.
Shortwave radio frequencies are not affected and pass through the ionosphere.
Answers
Answer:Shortwave radio frequencies are not affected and pass through the ionosphere.
Explanation:
Sodium azide nan3 is dissolved in water. Acidified silver nitrate is added to the solution and a white precipitate forms. Aqueous ammonia is then added to the solution and a white precipitate forms. Aqueous ammonia is then added to the white precipitate. The azide ion n3- has similar chemical properties to the cl- ion. What is the formula of the ppt formed and what is the observation on adding aqueous ammonia?
Answers
Answer:
The formula of the precipitate formed is AgN₃ (Silver azide).
On adding aqueous ammonia to the precipitate formed, the precipitate dissolves due to the formation of a soluble complex compound with aqueous ammonia.
Explanation:
Sodium azide is NaN₃
Silver Nitrate is AgNO₃
The two of them react and theres a double displacement where the ions exchange radicals.
NaN₃(aq) + AgNO₃(aq) → NaNO₃(aq) + AgN₃(s)
The azide ion (N₃⁻), which has very similar chemical properties as the chloride ion (Cl⁻), also forms an insoluble compound with Silver.
And just like AgCl, the precipitate (AgN₃) also dissolves when ammonia is added by forming a soluble complex.
AgN₃(s) + 2NH₃(aq) → [Ag(NH₃)₂]N₃(aq)
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What is the molar equilibrium concentration of uncomplexed Ag+ in a solution composed of 1.1 mol Ag(CN)2^1 dissolved in 1.00 L of 0.47 M NaCN. kf for Ag(CH)2^- is 4.5*10^10?
Answers
The molar equilibrium concentration of uncomplexed Ag+ in a solution composed of 1.1 mol Ag(CN)2^1 dissolved in 1.00 L of 0.47 M NaCN is 4.1 × 10⁻²³ M.
The molar equilibrium concentration of uncomplexed Ag+ in a solution composed of 1.1 mol Ag(CN)2^1 dissolved in 1.00 L of 0.47 M NaCN is 4.1 × 10⁻²³ M.Ag(CN)2^- ⇔ 2CN- + Ag2+
Now, using ICE table to find the value of [Ag2+] let's start the calculations;
Ag(CN)2^- ⇔ 2CN- + Ag2+
Initial: 1.1 M 2 × 1.1 M 0
Change: - x - 2 x x
Equilibrium: 1.1 - x 2.2 x x
Kf = (Ag2+) (CN-)²/Ksp (AgCN)²4.5 × 10¹⁰ = x (2x)²/(1.1 - x) × (0.47)²
Simplifying, we get;x = 4.1 × 10⁻²³ M (Approx)
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3. Which model has properties most similar to chlorine?
Model A
Model B
Model C
Model D
Answers
Answer:
bnsjsbbakakaisbsbwnsjznss
Explanation:
cnsjzjsnsnsjs ssnsnsnzksmnznnzna
Choose the compound below that should have the highest melting point according to the ionic bonding model.
A) AlN
B) MgO
C) NaCl
D) CaS
E) RbI
Answers
According to the ionic bonding model, the compound with the highest melting point is likely to be the one with the strongest ionic bonds.
In the ionic bonding model, compounds form when there is a transfer of electrons from one element to another, resulting in the formation of positive and negative ions. The strength of the ionic bond is influenced by factors such as the charges and sizes of the ions involved.
Among the given compounds, MgO (magnesium oxide) is expected to have the highest melting point. This is because magnesium (Mg) is a metal that tends to lose two electrons and form a 2+ cation, while oxygen (O) is a nonmetal that tends to gain two electrons and form a 2- anion. The resulting Mg2+ and O2- ions have strong electrostatic attraction due to the opposite charges. This strong ionic bond requires a significant amount of energy to break, leading to a high melting point for MgO.
On the other hand, compounds like AlN (aluminum nitride), NaCl (sodium chloride), CaS (calcium sulfide), and RbI (rubidium iodide) also exhibit ionic bonding but with different ion sizes and charges. While these compounds have varying degrees of ionic bonding strength, they are expected to have lower melting points compared to MgO.
In conclusion, based on the ionic bonding model, MgO (option B) is likely to have the highest melting point among the given compounds due to its strong ionic bond resulting from the combination of a 2+ metal cation and a 2- nonmetal anion.
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this is already solved but i would appreciate if someone check for me. thank you !
Answers
What affects both deep water and surface currents in the ocean?
Answers
Answer:
These currents are on the ocean's surface and in its depths, flowing both locally and globally. Winds, water density, and tides all drive ocean currents. Coastal and sea floor features influence their location, direction, and speed. Earth's rotation results in the Coriolis effect which also influences ocean currents. -
Answer: The Coriolis effect
Explanation:
what is the mass in grams of 1.355 mol Ca
Answers
Answer:
the molar mass of the components making up Ca(NO₃)₂ are as follows;
Ca - 40 g/mol
N - 14 g/mol
O - 16 g/mol
the molar mass of the compound is calculated as follows;
Ca(NO₃)₂ --> 40 + 2(14 + 16x3)
= 164 g/mol
1 mol of the compound weighs 164 g
Therefore 0.433 mol = 164 g/mol x 0.433 mol
= 71.0g
the mass of 0.433 mol of the compound is 71.0 g
what should you do if your bunsen burner does not light after a few tries with the striker?
Answers
Which of the following statements is/are correct?
I.
II.
Mass of 1 atom of Carbon-12 is equal to 1 amu
Mass of 4 atoms of Carbon-12 is equal to mass of 3 atoms of Oxygen-16
(A) Only I
(B) Only II
(C) Both I and II
(D) None of them
Answers
Answer:
The correct statement is;
(B) Only II
Explanation:
I) The atomic mass unit or amu which is also known as daltons which is defined as 1/12 × the mass of a carbon-12 atom, which is therefore, 1.660538921 × ⁻²⁴ grams
Therefore, the mass of 1 atom of carbon-12 = 12 amu
II) The mass of one mole of oxygen-16 is 16 grams while the mass of one mole of carbon-12 is 12 grams
The mass of 4 atoms of carbon 12 = 4 × 12 amu = 48 amu
The mass of 1 atom of oxygen-16 = 15.99491461956 amu
Therefore, the mass of 3 atoms of oxygen-16 = 3 × 15.99491461956 = 47.9847438587 amu ≈ 48 amu
Therefore only II is correct.
When discussing class data, Jack notices a trend: The difference between the experimental value for the specific heat and the accepted value for the 100% propylene glycol solution (pure propylene glycol) is higher than the others. Provide an explanation for why this might be true
Answers
According to the question the experimental value for the specific heat and the accepted value for the 100% propylene glycol solution (pure propylene glycol) is higher than the others as:
The experimental value is the value that you get in an experiment.
Error = [accepted value - experimental value]
Typically, the discrepancy is shown as a percent inaccuracy.
Experimental value 100% equals percentage error = |experimental value - accepted value. Consider, for instance, that you performed an experiment to ascertain the boiling point of water and obtained a result of 99.3 °C.
99.3 °C is your experimental value.
The ideal temperature is 100.0 °C.
|99.3 °C - 100.0 °C| = 0.7 °C is the experimental error.
The inaccuracy is represented as 99.3 °C - 100.0 °C/100.0 °C = 0.7 °C.
0.7/100.0 °C × 100 = 0.7 %
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A LOAEL is defined as:
The lowest hazard ratio in rats and mice
The Litany Of Adverse Elemental Liquidations
The lowest dose that demonstrates a significant increase in an observable adverse effect
The lowest level without an effect on biomarkers of exposure
The lowest level that causes death in 50% of the population over a defined period of time
Answers
A LOAEL is defined as the lowest dose that demonstrates a significant increase in an observable adverse effect. The term LOAEL stands for "Lowest Observed Adverse Effect Level."
When testing chemicals and other substances for toxicity, the goal is to determine the concentration or dose at which adverse effects begin to appear. The LOAEL is the lowest dose at which an adverse effect is observed. This value can be used to establish a safe level of exposure to a substance.
To determine the LOAEL, a series of tests are conducted in which different doses of the substance being tested are administered to test animals. The animals are observed for any adverse effects, such as changes in behavior, weight loss, or organ damage. The lowest dose at which an adverse effect is observed is the LOAEL.
It is important to note that the LOAEL is a relative measure of toxicity. It only provides information on the dose at which an adverse effect is first observed and not on the severity of the effect. In addition, the LOAEL may vary depending on the species tested and other factors.
In summary, the LOAEL is the lowest dose at which an observable adverse effect is detected. This value is used to establish a safe level of exposure to a substance.
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Which of the following will Float on pure water?
оа
Ob
A substance with a mass of 1.33 g. and a volume of 1.38 ml.
A substance with a mass of 534.23 grams and a volume of 522.3 mL
A substance with a volume of 436.2 mL and a mass of 4180.23 g.
A substance with a volume of 3.35 mL and a mass of 22.64 g.
ос
Od
Answers
Answer:
ob
Explanation:
becoz when volume increases density decreases.
Convert –26 degree Celsius temperature into kelvin .
Answers
2)
The IUPAC name for the common household cleaner, ammonia, is nitrogen trihydride. Identify the formula of ammonia.
A)
NH
B)
ΝΗ,
C)
NH
D)
N3H3
Answers
Answer:
The formula of ammonis is given as NH3
Explanation:
The given IUPAC name of ammonia is nitrogen trihydride.
From the name of IUPAC name of the ammonia it is evident that there is only one atom of nitrogen is present in one molecule of ammonia.
Word 'trihydride ' means a that there are three hydrogen atoms present as hydride in one ammonia molecule.
So, the formula of ammonia will be guven as: NH3
Answer:
it's NH3.....
Explanation:
so......
2. Give the results of the calculations below to the correct number of significant figures (a) 10.05-9.8742 +0.006
(b) 0.032 × 0.004
(c) 2.21 +0.3
Answers
The result of the calculation is:
(a) 0.1858
(b) 0.000128
(c) 2.51
What are significant figures?Significant figures are the digits in a measurement or calculation that provide meaningful information about the precision and accuracy of that measurement or calculation. In scientific notation, the first non-zero digit is the first significant figure and all other non-zero digits and zeros that are between significant figures are also considered significant.
The last significant figure in a number is often rounded to provide the desired level of precision. The rules for determining significant figures are used to ensure that the results of calculations are reported accurately and consistently.
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What is the law of conservation of mass?
A. The total mass of materials present after a chemical reaction is the same as the total mass present before the reaction.
B. In a given compound, the relative numbers and kinds of atoms are constant
C. If two elements A and B combine to form more than one compound, the masses of B that can combine with a given mass of A are in the ratio of small whole numbers.
D. Each element is composed of extremely small particles called atoms.
Answers
Answer:
A. The total mass of materials present after a chemical reaction is the same as the total mass present before the reaction.
Explanation:
Law of conservation states that whatever mass you start with you will end with, mass cannot be gained or lost
Which statements describe the electron sea model? Check all that apply.
Answers
The statements that describe the electron sea model are;
Electrons all have approximately the same energy.
Electrons move freely among atoms (delocalized).
What is the electron sea model?We know that there are several models that can be used for the determination of the movement of the electrons in the atom. In the electron sea model, we are saying that the electrons are quite free to move freely from one atom to the another and they are not attached to any particular atom.
We have to know that the electrons are known to occur in specific energy levels. The electrons must only be found in the energy level that corresponds to that particular electrons. This also means that the electrons that are in the electron sea must all be of the same energy.
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Missing parts;
Which statements describe the electron sea model? Check all that apply. Electrons all have approximately the same energy. Electrons move among orbitals of different energies. Electrons move freely among atoms (delocalized).
1. If 20 moles of HCl was placed in 40 liters of an
NaOH solution, what was the molarity of the NaOH
solution?
A) 0.50 M
B) 2.0M
C) 1.5 M
D) 4.0 M
Answers
Answer:
A) 0.50 M
Explanation:
The computation of the number of molarity of the NaOH is given below:
As we know that
Molarity = Moles ÷ liters
where
Moles is 20
And, the liters is 40
So, the molarity is
= 20 ÷ 40
= 0.50 M
hence, the molarity of the NaOH solution is 0.50 M
Therefore the A option is correct
How many moles of aluminum nitrate can be produced with 0.68 moles of lead nitrate?
Answers
i have no idea can somebody help me too
What is the % yield if 4 moles of hydrogen is reacted with 3 moles of oxygen and produces 3 moles of water?
Answers
The balanced equation for the reaction between hydrogen and oxygen to form water is:
2H2 + O2 -> 2H2O
To react 4 moles of hydrogen with 3 moles of oxygen, we will also need 1.5 moles of oxygen.
Since we have enough hydrogen and not enough oxygen to react completely, we can calculate the theoretical yield of water produced.
4 moles of H2 will react to produce 2 moles of H2O and 1.5 moles of O2 will react to produce 0.75 moles of H2O. Therefore, the total theoretical amount of water produced is 2 + 0.75 = 2.75 moles of water.
percent yield = (actual yield / theoretical yield) x 100
percent yield = (3 / 2.75) x 100 = 109.09%.
So the percent yield is 109.09%. This means that 109.09% of the theoretical yield was actually produced, and the reaction was more efficient than expected.
It's worth noting that percent yield can't be more than 100% because it implies that more than the theoretical amount of product was produced, which is not possible. In this case, the percent yield is not a realistic value, therefore, the actual yield and the theoretical yield should be rechecked.
The pressure on a 5.50 liter tank of anesthetic gas changes from 3.00 atm to 4.40 atm. What will be the new volume if the temperature remains constant?
Answers
The new volume of the gas at a pressure of 4.40 atm is approximately 3.75 liter
According to the ideal gas law, PV = nRT, the pressure and volume of a gas are inversely proportional to each other, assuming constant temperature. Therefore, if the pressure on a gas changes from P1 to P2 while the temperature remains constant, the new volume V2 can be calculated as:
V2 = (P1 x V1) / P2
where V1 is the initial volume of the gas.
Substituting the given values, we get:
V2 = (3.00 atm x 5.50 L) / 4.40 atm ≈ 3.75 L
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A marine biologist is preparing a deep-sea submersible for a dive. The sub stores breathing air under high pressure in aspherical air tank that measures 63.0 cm wide.The biologist estimates she will need 5300. L of air for the dive. Calculate the pressure to which this volume of air must becompressed in order to fit into the air tank. Write your answer in atmospheres. Round your answer to 3 significant digits.X5 ?EdoloAr184
Answers
The following assumptions are made:
1. Air behaves like an ideal gas throughout the process.
2. The initial pressure will be equal to the atmospheric pressure at sea level, 1atm.
3. The temperature remains constant.
Taking into account the above, we can apply the Boyle-Marriote Law that relates the change in pressure and volume at constant temperature. The equation tells us:
\(P_1V_1=P_2V_2\)Where,
P1 is the initial pressure, 1atm
V1 is the initial volume, 5300L
P2 is the final pressure inside the air tank, this is our unknown
V2 is the final volume, this will be calculated using the volume equation for a sphere:
\(V_2=\frac{4}{3}\pi r^3\)r is the radius of the sphere, 63.0cm/2=31.5cm
So, the volume of the air tank will be:
\(\begin{gathered} V_2=\frac{4}{3}\pi\times(31.5cm)^3=13.1\times10^4cm^3 \\ V_2=13.1\times10^4cm^3\times\frac{1L}{1000cm^3}=131L \end{gathered}\)We clear P2 and replace the known data:
\(\begin{gathered} P_2=\frac{V_1P_1}{V_2} \\ P_2=\frac{5300L\times1atm}{131L}=40.5atm \end{gathered}\)The air must be compressed at 40.5atm
Answer: 40.5
Which statement best describes inorganic compound?
A. Inorganic compounds are compounds do that not contain carbon and hydrogen.
B. Inorganic compounds are compounds that do not contain carbon atoms only.
C. Inorganic compounds are compounds that produced by living things.
D. Inorganic compounds are compounds that contain carbon and oxygen only.
Answers
Please give brainliest I need five more.