chemistry

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What is the pressure of a mixture of CO2, SO2 and H20 gases, if each gas has a partial pressure of 250 torr?

A. 250 torr

B. 500 torr

C. 750 torr

D. 1,000 torr

A gas sample has a volume of 25.0 milliliters at a pressure of 1.0 atmosphere. If the volume increases to 50.0 milliliters and the temperature remains constant, the new pressure will be 

A. 1.0 atm

B. 2.0 atm

C. .250 atm

D. .500 atm

An increase of the temperature of a system at equilibrium favors the 

A. Endothermic reaction and decreases its rate

B. Endothermic reaction and increases its rate

C. Exothermic reaction and decreases its rate

D. Exothermic reaction and increases its rate