PSU3 Gas Laws Day 2

Presentation

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Science

•

9th Grade

•

Medium

Jolene Kayser

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FREE Resource

14 Slides • 7 Questions

Categorize

Options (9)

atmospheres

Torr

mmHg

Celcius

Kelvin

Milliliters

Liters

$\frac{g}{ml}$

$\frac{g}{cm^3}$

Classify the measurements

Temperature

Pressure

Volume

Density

Multiple Choice

Everything else constant...
For a gas.

If pressure increases... volume

Decreases

Increases

Stays the same

Fill in the Blanks

To convert from celsius to kelvin you add

A birthday balloon is filled to a volume of 1.5L of helium gas in an air-conditioned room at 293K. The balloon is taken outdoors on a warm day where the volume expands to 1.55L. Assuming the pressure and the amount of gas remain constant, what is the air temperature outside in Kelvin?

A beach ball is inflated to a volume of 25L of air at 298K. During the afternoon, the volume increases to 28 L. What is the new temperature outside?

The pressure of the oxygen gas inside a canister with a fixed volume is 5.0atm at 15^oC. What is the pressure of the oxygen gas inside the canister if the temperature changes to 263K? Assume the amount of gas remains constant.

The pressure of a gas in a sealed canister is 350 kPa at a room temperature of 290K. The canister is placed in a refrigerator that drops to a temp 270K. What is the new pressure in the canister?

Multiple Choice

Everything else constant...
For a gas.

If pressure increases... volume

Decreases

Increases

Stays the same

Multiple Choice

Everything else constant...
For a gas.

If Temperature increases... volume

Decreases

Increases

Stays the same

Multiple Choice

Everything else constant...
For a gas.

If Temperature increases... Pressure

Decreases

Increases

Stays the same

Combined Gas law

The combination of Boyle's Law and Charles's Law is called the Combined Gas Law

Hotspot

1. The temperature of a sample of NO at a fixed volume is changed, causing a change in pressure from 5 PSI to 90 PSI. If its new temperature is 800 K, what was its original temp in kelvin?

Which variable is NOT mentioned or is kept constant.

1. The temperature of a sample of NO at a fixed volume is changed, causing a change in pressure from 5 PSI to 90 PSI. If its new temperature is 800 K, what was its original temp in kelvin?

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