Welcome to the Quiz!
This quiz contains 11 questions from a mix of 1 subtopics.
What is the equilibrium constant, Kp, for the following reaction:
N2(g) + 3H2(g) ⇌ 2NH3(g)?
|
The term used to describe the proportion by volume of a gas in a gas mixture is called the mole .
|
The term used to describe the contribution that a gas makes towards the total pressure in a gas mixture is the pressure.
|
Select the most plausible units for Kp for the following reaction:
N2(g) + 3H2(g) ⇌ 2NH3(g)
kPa2
kPa-1
kPa-2
kPa
|
The sum of mole fractions in a gas mixture equals .
|
Calculate the value of Kp for the following equilibrum:
H2(g) + I2(g) ⇌ 2HI(g)
The partial pressures are:
- p(H2) = 22 kPa
- p(I2) = 22 kPa
- p(HI) = 44 kPa
|
Calculate the value of Kp, to 2 significant figures, for the following equilibrum:
2SO2(g) + O2(g) ⇌ 2SO3(g)
The total equilibrium pressure was 240 kPa.
The mole fractions are:
- x(SO2) = 0.30
- x(O2) = 0.10
- x(SO3) = 0.60
kPa-1
|
An equilibrium mixture for the following reaction contains 54 mol of A, 18 mol of B, and 48 mol of C.
A(g) ⇌ B(g) + C(g)
The total equilbrium pressure is 150 kPa.
Calculate the value for Kp.
kPa
|
The following reaction takes place at equilibrium:
2A(g) + B(g) ⇌ 2C(g) ΔrH = -20 kJ mol-1
Select ALL of the changes to conditions that would increase the value of Kp.
increase the temperature
decrease the temperature
decrease the pressure
increase the pressure
|
The following reaction takes place at equilibrium:
H2(g) + I2(g) ⇌ 2HI(g) ΔrH = +51.9 kJ mol-1
Select ALL of the changes to conditions that could be made without altering the value of Kp.
decrease the pressure
decrease the temperature
increase the pressure
increase the temperature
|
An equilibrium mixture for the following reaction contains 30 mol of N2, 40 mol of H2, and 90 mol of NH3.
N2(g) + 3H2(g) ⇌ 2NH3(g)
The total equilbrium pressure is 200 atm.
Select the correct value for Kp.
2.7 x 10-3 atm-2
4.2 x 10-3 atm-2
1.5 x 10-2 atm-2
7.5 x 10-2 atm-2
|