If temperature decreases, what happens to pressure?

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Presentation transcript:

If temperature decreases, what happens to pressure?

Expansion of a gas will cause volume to…

If temperature is increased, what happens to the volume?

Convert 771 mm Hg to atmospheres:

What volume would 4.0 L of a gas occupy if the pressure was increased from 1 atm to 2.5 atm?

How many moles of Helium are contained in 14 How many moles of Helium are contained in 14.0 liters of a gas at 33 ◦ C and 780. mm Hg?

Which of the following is an example of diffusion? a. A hot air balloon rising when the air inside is heated. b. A student leaves the gas jet open at a lab station and you smell it across the room. c. Carbon monoxide sinks to the bottom of a room because of its density. d. Air is compressed inside a tank used for scuba diving.

A cute princess balloon is released at a birthday party A cute princess balloon is released at a birthday party. The temperature of the balloon is 22 ◦ C. The pressure is 1.25 atm and the original volume is 1.50 L. What is the new volume of the cute princess balloon as it reaches an altitude where the pressure drops to 0.95 atm and the temperature drops to 17 ◦ C?

What is standard temperature? a. 25 ◦ C b. 273 ◦ C c. 0 ◦ C d. -273 ◦ C

What happens to the pressure of a gas if the volume is doubled. a What happens to the pressure of a gas if the volume is doubled? a. The pressure is reduced by half. b. The pressure is doubled. c. The pressure remains unchanged. d. The pressure varies depending on the gas.

If temperature increases, what happens to the movement of particles? a. decreases b. Increases c. stays the same d. you need to know what gas it is

The temperature of 3. 75 L of oxygen gas is 19 ◦ C The temperature of 3.75 L of oxygen gas is 19 ◦ C. If the temperature is raised to 32 degrees, what is the volume of the oxygen gas?

A 2. 0 mole sample of a gas is known to occupy 30. 0 L A 2.0 mole sample of a gas is known to occupy 30.0 L. What would the volume be for 1.0 mole?

If you increase the number of moles, what happens to pressure?

What is standard pressure? a. 0 atm b. 1 atm c. 25 atm d. 760 atm

What happens to volume during compression?

Which of the following is an example of effusion. a Which of the following is an example of effusion? a. oxygen and gasoline fumes mixing in an automobile carburetor. b. the aroma of a cooling pie spreading across a room c. helium dispersing into a room after a balloon pops d. air slowly escaping from a pinhole in a tire

What happens to the volume of a balloon if it is left in a car on a really hot day?