KVPY2014ChemistrySurface Chemistry
10 moles of a mixture of gydogen and oxygen gases at a pressure of 1 ~atm at constant volume and temperature, react to form 3.6 ~g of liquid water. The pressure of the resulting mixture will be closest to
Options
- A1.07 ~atm
- B0.97 atm
- C1.02 ~atm
- D0.92 ~atm
Correct answer
B. 0.97 atm
Step-by-step solution
2 H ₂(g)+ O ₂(g) 2 H ₂ O (I)0.2 mole 0.1 mole 0.2 mole moles of gas remaining =9.7 at constant (T) &(V) array l n₁ n₂ = p₁ p₂ 10 9.7 = 1 p₂ & p₂=0.97 array