I have only 40 minutes Question 1 10.000 moles of N 2 O 4 were added to a 1.000 L reaction and allowed to come to equilbrium at 298K.

I have only 40 minutes

Question 1

10.000 moles of N2O4 were added to a 1.000 L reaction and allowed to come to equilbrium at 298K. The value of Keq for this reaction is ___

Question 2

4.000 moles of N2O4 and 6.000 moles of NO2 were added to a 1.000 L reaction at 298 K. How does the reaction respond?

a) More NO2 is produced, until equilibrium is reached.

b) The reaction is already at equilibrium, so the concentrations of N2O4 and NO2 remain unchanged.

c) More N2O4 is produced, until equilibrium is reached.

Question 3

In experiment, 0.275 moles of N2O4 and 0.199 moles of NO2 were in a 1.000 L reaction vessel at 298 K. When the temperature was increased to 318 K, the resulting value for Kc for 318 K was ___. (Enter your answer with the correct number of significant figures.)

Question 4

The decomposition of carbon-dioxide proceeds as follows:

2CO2(g) + heat <–> 2CO(g) + O2(g) 

The equilibrium constant for this reaction will:

a) not change if the temperature is increased.

b) decrease with decreasing temperature.

c) decrease with increasing temperature.

d) increase if the temperature is decreased.

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