# POWERPOINT JEOPARDY Relationship Combined Ideal Gas Daltons Law

POWERPOINT JEOPARDY Relationship Combined Ideal Gas Dalton’s Law Random 10 10 10 20 20 20 30 30 30 40 40 40 50 50 50

Is the relationship between temperature and pressure direct or inverse? Relationship– 10 Points Direct

If the volume of a gas increases, what will happen to the pressure? Relationship– 20 Points The pressure will decrease.

As the temperature decreases, the pressure will… ? Relationship– 30 Points Decrease

A balloon is placed into a freezer at a much colder temperature than the balloon, what will happen to the volume of the balloon? Relationship– 40 Points It will decrease.

Under constant volume and pressure, what will happen to the temperature inside a container if more gas is added to it? Relationship– 50 Points The temperature will decrease.

If I have 5. 6 liters of gas in a piston at a pressure of 1. 5 atm and compress the gas until its volume is 4. 8 L, what will the new pressure inside the piston be? Combined– 10 Points 1. 75 atm

At 189 K, a sample of gas has a volume of 32. 0 cm 3. What volume does the gas occupy at 242 K? Combined– 20 Points 25. 0 cm 3

A cylinder of gas has a pressure of 4. 40 atm at 25°C. At what temperature, in °C, will it reach a pressure of 6. 50 atm? [remember to convert to K first then back to °C!] Combined– 30 Points 167 °C

The sample now has a volume of 392 m. L at a pressure of 0. 987 atm and a temperature of 21°C. What was the original temperature (in °C) of the gas, if the volume was 379 m. L and the pressure was 0. 992 atm? Combined– 40 Points 12. 7 °C

A piston containing argon gas, o originally in a volume of 3. 50 L at 650. mm. Hg and – 75°C is heated to 358°C and a pressure of 875 mm. Hg. What is the change in the volume of the piston? Combined– 50 Points 4. 79 L

Oxygen gas is collected at a pressure of 123 k. Pa in a container which has a volume of 10. 0 L. What temperature must be maintained on 0. 500 moles of this gas? Express the temperature in degrees Celsius. Ideal Gas– 10 Points 23°C

How many moles of chlorine gas would occupy a volume of 35. 5 L at a pressure of 100. 0 k. Pa and a temperature of 100. C? Ideal Gas– 20 Points 1. 15 mol

What is the volume of a balloon if it contains 3. 2 moles of helium at a temperature of 20. 0 C and 2. 0 atm? Ideal Gas– 30 Points 38. 5 L

What pressure in atmospheres would be required to contain 100. 0 g of SO 2 gas in a 25. 0 L container at a temperature of 100. C? Ideal Gas– 40 Points 1. 91 atm

What mass of nitrous oxide gas (N 2 O) is contained in 20. 0 L balloon at a pressure of 110. 0 k. Pa and a temperature of 25 C? Ideal Gas– 50 Points 39. 1 g N 2 O

If the partial pressures of the three gases in a tank are 35 atm of O 2, 15 atm of N 2, and 25 atm of He, what is the total pressure inside of the tank? Dalton's Law– 10 Points 75 atm

If the total air pressure is 0. 99 atm, the partial pressure of carbon dioxide is 0. 17 atm, and the partial pressure of hydrogen sulfide is 0. 12 atm, what is the partial pressure of the remaining air? Dalton's Law– 20 Points 0. 70 atm

What’s the partial pressure of carbon dioxide in a container that holds 7 mol of carbon dioxide, 4 mol of nitrogen, and 8 mol of oxygen and has a total pressure of 3. 14 atm? Dalton's Law– 30 Points 1. 16 atm

If I place 3 mol N 2 and 4 mol O 2 in a 35 L container at a temperature of 25◦C, what will the pressure of the mixture of gases be in atm? Dalton's Law– 40 Points 4. 88 atm

Two flasks are connected with a stopcock. The first flask has a volume of 7 L and contains N 2 at a pressure of 1. 75 atm. The second flask has a volume of 9 L and contains O 2 at a pressure of 2. 35 atm. When the stopcock between the flasks is opened and the gases are free to mix, what will the pressure be in the mixture? Dalton's Law– 50 Points 2. 09 atm

What do you do with a dead chemist? Random – 10 Points Barium

If a gas sample has 32% oxygen at a total pressure of 1. 02 atm, what is the partial pressure of oxygen? Random – 20 Points. 326 atm

Name one device that was discussed in class that can be used to measure pressure. Random – 30 Points Barometer, Monometer or a tire pressure gauge

What is assumed to be constant in the combined gas law? Random – 40 Points The number of moles of gas.

What interaction is the cause for the pressure of a gas? Random – 50 Points The collisions between the gas particles and the sides of the container.

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