For the following reaction, the equilibrium constant, Keq, is ...

[bclement10]

For the following reaction, the equilibrium constant, Keq, is equal to 53.3. What is the concentration of I2 at equilibrium, if the concentrations of HI and are 0.212 M and 1.576 M, respectively?
 
  H2 + I2 = 2HI
  A) 1.576 M
  B) 0.000535 M
  C) 0.212 M
  D) 0.314 M

Question 2

When the equation below is balanced, the coefficient of sulfuric acid, H2SO4 is:
 
  NaCN + H2SO4  Na2SO4 + HCN
  A) 1
  B) 2
  C) 3
  D) 4

Question 3

No matter how much extra oxygen is available, 12 grams of carbon always combines with 32 grams of oxygen. This best illustrates the Law of
 
  A) Conservation of Mass.
  B) Definite Proportions.
  C) Multiple Proportions.
  D) Conservation of Energy.

[vickyvicksss]

Answer to Question 1

B

Answer to Question 2

A

Answer to Question 3

B