When the Reaction 2H₂S(g) 2H₂(g)+ S₂(g)is Carried Out at 1065°C,K_P

question 119

Multiple Choice

When the reaction 2H₂S(g) 2H₂(g) + S₂(g) is carried out at 1065°C,K_P = 0.012.Starting with pure H₂S at 1065°C,what must the initial pressure of H₂S be if the equilibrated mixture at this temperature is to contain 0.250 atm of H₂(g) ?

• A)1.06 atm
• B)1.86 atm
• C)0.94 atm
• D)0.90 atm
• E)1.52 atm

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Definitions:

Heat of Fusion

The amount of heat required to convert a solid at its melting point into a liquid without changing its temperature.

Homeostasis

The regulatory process by which biological systems maintain a stable internal environment despite external changes.

Vaporization

The phase transition of a substance from a liquid to a gas, occurring through the processes of evaporation or boiling.

Calorie

The amount of heat energy required to raise the temperature of 1 g of water 1°C; equivalent to 4.184 joules. Compare with Kilocalorie.