Question

Kp for the reaction :

CO2(g) + H2(g) CO(g) + H2O(g) is found to be 160 at a given temperature .Originally equal number of moles of H2 and CO2 were placed in the flask . At equilibrium, the pressure of H2 is 1.20 atm. What is the partial pressure of CO and H2O?

• A. 4.80 atm each
• B. 9.60 atm each
• C. 2.40 atm each
• D. 1.20 atm each

Answer 1

Answer: (A)

4.80 atm each

Answer 2

$\mathrm { CO } _ { 2 } + \mathrm { H } _ { 2 }$ $\mathrm { CO } + \mathrm { H } _ { 2 } \mathrm { O }$

$\mathrm { K } _ { \mathrm { p } } = \frac { \mathrm { P } _ { \mathrm { CO } } \cdot \mathrm { P } _ { \mathrm { H } _ { 2 } \mathrm { O } } } { \mathrm { P } _ { \mathrm { CO } _ { 2 } } \cdot \mathrm { P } _ { \mathrm { H } _ { 2 } } }$ s

$\mathrm { P } _ { \mathrm { CO } } \cdot \mathrm { P } _ { \mathrm { H } _ { 2 } \mathrm { O } } = 16 \times 120 \times 1.20$