The
What is the equilibrium expression for Kc for
SO3 (g) + H2O(l) <-> H2SO4 (l)
?
1/[SO3]
What is the equilibrium expression for Kp for
SO3 (g) + H2O(l) <-> H2SO4 (l)
?
1/(PSO3)
What is the equilibrium expression for Kc for
C3H8 (g) +5O2(g) <-> 3CO2 (g) +4H2O (g)
?
[CO2]^3 [H2O]^4 / [C3H8][O2]^5
A mass of 62.15g of N2O4 was allowed react in a 1.008L vessel. 2.537g of NO2 remains at
equilibrium. What is the equilibrium constant, Kc, for this expression at 25⁰C?
N2O4 (g) ⇌ 2NO2 (g)
.734
What are the four stages of Mitosis in order?
Prophase, metaphase, anaphase, telophase
True or False:
The value of an equilibrium constant will always be the same (as long as
temperature is not changed)
True
What are the units for Kp?
Atm
Use the reactions and their equilibrium constants to answer the following questions about the
reaction 2A (s) ⇌ 3D (g) :
Step 1: A (s) ⇌ ½B (g) + C (g) K1= 0.0334
Step 2: 3D (g) ⇌ B (g) +2C K2= 2.35
What is the overall rate constant value?
.07849
An initial mixture of 0.00833M H2, 0.00557M I2, and 0.0224M HI was placed in a 1.00L reaction
flask at 430⁰C. Find the final concentrations of each component of this reaction.
H2 (g) + I2 (g) ⇌ 2HI (g) Kc= 54.3
Kc>Qc, shifts right
use quad form
x = .002898
[H2] = .00344
(I2) = .00268
[HI] = .0232
Where am I studying abroad this summer?
South Korea
What is the reaction quotient, Qc/Qp, used to predict?
The direction in which net change must occur to establish equilibrium
When does Kc = Kp?
When there’s the same number of moles on each side
When does a reactant not shift?
When K = Q
What mass of HI would you need to add to a reaction 3.67L reaction flask to obtain 0.00684 M of
H2. The Kc for this reaction is 1.43x10-3
2HI (g) ⇌ H2 (g) + I2 (g)
91.33g HI
When are boxing club practices?
6PM Friday
What are the main rules of neglect X?
I will decide if that is right
What kind of plants did Gregor Mendel use for his experiments?
Pea
What is delta n?
Change in moles of gas
This reaction mixture begins with 0.1500M CO, 0.0080M Cl2, and 0.1326M COCl2 at 668K. What
are the equilibrium concentrations of CO, Cl2, and COCl2.
CO (g) + Cl2 (g) ⇌ COCl2 (g) Kc= 1.2 x 103
x = .0071
[CO] = .14282M
[Cl2] = .00082
[COCl2] = .13978
Which restaurant has the best deals?
China King
A sample of 0.500 moles of compound W is placed into a system with a total volume of 0.750L.
At equilibrium, there are 0.350 moles of compound W. Calculate the equilibrium constant, Kc,
for this reaction.
2W (g) ⇌ 3Y (g)+4Z (g)
Kc = .00317
Find the final concentrations at equilibrium for the following reaction when the reaction begins
with 0.150M of a weak acid (HA).
HA (aq) + H2O (l) ⇌ A- (aq) + H3O+ (aq) Kc=1.6 x 10-2
.0416M
A reaction mixture initially contains a CO partial pressure of 1344 torr and an H2O partial
pressure of 1766 torr at 2000K. Calculate the equilibrium partial pressure of CO2.
H2O (g) + CO(g) ⇌ H2 (g) + CO2 (g) Kp= 0.0611
.4008atm
Consider the following reaction. If this mixture initially contains only 0.175M SO2Cl2, what is the
equilibrium concentration of Cl2 at 227⁰C.
SO2Cl2 (g) ⇌ SO2 (g) + Cl2 (g) Kc = 2.99 x10-7
[Cl2] = 2.2874 x 10^-4 M
How do you write my last name (Zhang) in Chinese?
张