Benchmark 4 Review A perfume bottle is opened

Benchmark 4 Review

• A perfume bottle is opened at one end of the room, and after a few minutes the smell of the perfume can be detected at the other end of the room. • Why?

• As pressure is increased, volume?

• As the temperature of a gas is increased from 0 to 10 degrees celsius at constant pressure, the volume of the gas will • Increase by 1/273 • Increase by 10/273 • Decrease by 10/273

• What is the lowest possible temperature? • What is it called?

• An assumption of the kinetic theory of gases is that the particles of a gas have • Little attraction for each other and a significant volume • Little attraction for each other and an insignificant volume • Strong attraction for each other and an insignificant volume

• What is the volume, in liters, of 576 grams of SO 2 at STP?

• At STP which gas will diffuse more rapidly than Ne? • He, Ar, Kr, Xe

• Which law interrelates Pressure and volume?

• Which law is the law of partial pressures?

• Which law interrelates temperature and volume?

• At STP 2 moles would be equal to what volume?

• A mixture of gases has a total pressure of 2000 torr. The mixture contains 8 moles of nitrogen gas and 2 moles of oxygen gas. What pressure is exerted by the oxygen gas molecules?

• What is the ideal gas law?

• Which changes in pressure and temperature occur as a given mass of gas at 380 torr and 546 K is changed to STP? • The pressure is doubled and the temperature is halved • The pressure is halved and the temperature is doubled • Both the pressure and the temperature are halved

• What happens to molecules at 0 K?

• At which temperature does an aqueous solution of Li. Cl have the highest average kinetic energy? • 100 C • 273 K • 373 K

• What is 10 degrees C in Kelvin?