# General chemistry equilibrium and acids/bases problems?

These are for a study guide, I have the answers but can't figure out how to do them.
1. Calculate K for the following reaction if a container initially filled only with 0.351 M NOBr has a [NOBr] = 0.298 M at equilibrium. 2NOBr <--->2NO + Br2
Answer: 8.4 x 10^-4
2. If a container is filled with SO2CL2...
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These are for a study guide, I have the answers but can't figure out how to do them.

1. Calculate K for the following reaction if a container initially filled only with 0.351 M NOBr has a [NOBr] = 0.298 M at equilibrium. 2NOBr <--->2NO + Br2

Answer: 8.4 x 10^-4

2. If a container is filled with SO2CL2 to an initial pressure of 3.58 atm, what will the equilibrium pressure of SO2, Cl2, and SO2Cl2 be given the reaction SO2 + Cl2 <----> SO2Cl2.

Answer: SO2 = 0.308 atm; Cl2 = 0.308 atm; SO2Cl2 = 3.27 atm

For this one, I calculated Kc=1.06 x 10^3 given Kp = 34.5

3. Calculate K for the following reaction: HClO + F- <----> HF + ClO-

Given: Ka of HClO = 3.0 x 10^-8; Ka of HF = 7.2 x 10^-4

Answer: K = 4.2 x 10^-5

1. Calculate K for the following reaction if a container initially filled only with 0.351 M NOBr has a [NOBr] = 0.298 M at equilibrium. 2NOBr <--->2NO + Br2

Answer: 8.4 x 10^-4

2. If a container is filled with SO2CL2 to an initial pressure of 3.58 atm, what will the equilibrium pressure of SO2, Cl2, and SO2Cl2 be given the reaction SO2 + Cl2 <----> SO2Cl2.

Answer: SO2 = 0.308 atm; Cl2 = 0.308 atm; SO2Cl2 = 3.27 atm

For this one, I calculated Kc=1.06 x 10^3 given Kp = 34.5

3. Calculate K for the following reaction: HClO + F- <----> HF + ClO-

Given: Ka of HClO = 3.0 x 10^-8; Ka of HF = 7.2 x 10^-4

Answer: K = 4.2 x 10^-5

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