Equilibrium Basics
A chemical equilibrium may be established by starting a reaction with __________
e
H2(g)+I2 (g) ⇄ 2HI (g)
[HI]2 / [H2][I2]
For the reaction given below, 4.00 moles of A and 3.00 moles of B are initially placed in a 1.00 L container. At equilibrium, the concentration of A is 3.50 M. What is the value of K?
2A(g) + B(g) ⇌ C(g)
7. 4×10-3 M-2
The number of phases of the moon
What is 8?
Which of the following is true for a chemical reaction at equilibrium?
2N2O (g) ⇄ 2 N2 (g) + O2 (g)
[N2]2[O2]/[N2O]2
If 0.050 M H2(g) and 0.050 M I2(g) are present initially and the equilibrium constant is 45, what is the HI concentration at equilibrium?
H2 (g) + I2 (g) ⇌ 2 HI (g)
0. 077 M
The number of hearts of an octapus
What is 3?
An equilibrium that strongly favors products has __________
c
H2O (g) + C (s) ⇄ H2 (g) + CO (g)
[H2][CO]/[H2O]
In a study of the conversion of methane to other fuels, a chemical engineer mixes gaseous CH4 and H2O in a 0.32-L flask at 1200 K. At equilibrium, the flask contains 0.260 mol of CO, 0.091 mol of H2 and 0.041 mol of CH4. What is [H2O] at equilibrium?
CH4 (g) + H2O (g) ⇌ CO (g) + 3 H2 (g) Kc = 0.26
0. 53 M
The city that is nicknamed the "City of Brotherly love"
What is Philadelphia?
Which of the following are equal for a chemical system at equilibrium?
d
HSO4- (aq) + H2O(l) ⇄ H3O+ (aq) + SO42- (aq)
[H3O+][SO42-]/[H2SO4-]
An inorganic chemist studying the reactions of phosphorus halides mixes 0.1050 mol of PCl5 with 0.0450 mol of Cl2 and 0.0450 mol of PCl3 in a 0.500-L flask at 250°C:
PCl5(g) PCl3(g) + Cl2(g) Kc = 4.2 x 10 ⇌ -2
0. 0935 M
The only American Football team to go a whole season undefeated, including the Super Bowl
Who are the Miami Dolphins?
If the equilibrium is established by initially adding 0.10 mol each of A and B to a 1L container, then which of the following must be true once the mixture achieves equilibrium?
D
NH4CO2NH2(s) ⇄ 2NH3(g) + CO2(g)
[NH3]2[CO2]
For the following reaction, Kp = 0.262 at 1000°C:
C(s) + 2H2(g) ⇌ CH4(g)
At equilibrium, PH2 is 1.22 atm. What is the equilibrium partial pressure of CH4?
0. 390 atm
In the state of Georgia, it’s illegal to eat this with a fork
What is fried chicken?