Wednesday, August 29, 2012

chemistry


Answers on next post

A sample of oxygen gas in a closed system has a volume of 200 milliliters at 600 K. If the pressure is held constant and the temperature is lowered to 300 K, the volume of the gas will be

A. 100 ml
B. 200 ml
C. 300 ml
D. 400 ml

Which sample of water will have the highest water pressure? 

A. 10.0 mL at 62° C
B. 20.0 mL at 52° C
C. 30.0 mL at 42° C
D. 40.0 mL at 32° C

 An assumption of the kinetic energy of gases is that the particles of a gas have 

A. Little attraction for each other and a significant volume
B. Little attraction for each other and an insignificant volume
C. Strong attraction for each other and a significant volume
D. Strong attraction for each other and an insignificant volume

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