Problem: A sample of solid NH4NO3 was placed in an evacuated container and then heated so that it decomposed according to the following equation and established equilibrium:NH4NO3(s) ⇌ N2O(g) + 2 H2O(g)Kp for this reaction at a certain temperature is 4.85. What is the pressure of H2O at equilibrium?A. 1.07 atm B. 2.13 atm C. 3.20 atm D. 3.73 atmE. 4.05 atm

FREE Expert Solution

We’re being asked to determine the pressure of H2O at equilibrium given the following equilibrium reaction:

NH4NO3(s) ⇌ N2O(g) + 2 H2O(g)I; Kp = 48.5


We can use an ICE chart to establish an equation to determine the pressure of H2O. From this, we can construct an ICE table:

87% (125 ratings)
View Complete Written Solution
Problem Details

A sample of solid NH4NO3 was placed in an evacuated container and then heated so that it decomposed according to the following equation and established equilibrium:

NH4NO3(s) ⇌ N2O(g) + 2 H2O(g)

Kp for this reaction at a certain temperature is 4.85. What is the pressure of H2O at equilibrium?

A. 1.07 atm 

B. 2.13 atm 

C. 3.20 atm 

D. 3.73 atm

E. 4.05 atm

Learn this topic by watchingICE Chart Concept Videos
All Chemistry Practice Problems ICE Chart Practice Problems
Q.At a given temperature, 3.7 atm of H2 and 1.09 atm of Br2 are mixed and allowed to come to equilibrium. The equilibrium pressure of HBr is found to be...
Q.The following reaction has a Kc at 520. K equal to 1.50 × 10–8:2 A(aq) + B(aq) ⇌ 2 C(aq)If the reaction is started with 0.100 M A and 0.100 M B, what ...
Q.Consider the reaction:    N2(g) + O2(g) ⇌ 2 NO(g)for which Kc = 0.10 at 2,000 °C. Starting with initial concentrations of 0.15 M N2 and 0.15 M O2, det...
Q.At a given temperature, the equilibrium constant for the reaction H2(g) + I2(g) ⇌ 2 HI(g) is 4.0. After equal moles of H2(g) and I2(g) are mixed, ther...
See all problems in ICE Chart

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the ICE Chart concept. You can view video lessons to learn ICE Chart. Or if you need more ICE Chart practice, you can also practice ICE Chart practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofA sample of solid NH4NO3 was placed in an evacuated containe...as high difficulty.