Gas Laws and Pressure Calculations

A sample of nitrogen monoxide experiences a change in volume from 60 L to 8 L. If its new pressure is 50 kPa, what was its original pressure in kilopascals?

• Initial Pressure

• 50 kPa

• Final volume

• Unknown

• Initial volume

• 8 L

• Final Pressure

• 60 L

The temperature of a 20 L sample of butane is changed, causing a change in pressure from 5 atm to 0.4 atm. If its new temperature is 250 K and its new volume is 60 L, what was its original temperature in kelvins?

• Initial pressure

• 250 K

• Initial volume

• 0.4 atm

• Final temperature

• 20 L

• Final pressure

• 60 L

• Final volume

• 5 atm

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A sample of carbon monoxide in a metal container at 7 atm has its temperature changed from 150 °C to 500 °C. What is the final pressure in atmospheres?

• Initial temperature

• 7 atm

• Final pressure

• Unknown

• Initial pressure

• 773.15 K

• Final temperature

• 423.15 K

Tags

NGSS.HS-PS3-4

The temperature of a 9000 mL sample of methyl chloride is changed, causing a change in pressure from 30 kPa to 400 kPa. If its new temperature is 800 K and its new volume is 800 mL, what was its original temperature in kelvins?

• Final volume

• 800 K

• Final pressure

• 800 mL

• Final temperature

• 400 kPa

• Initial volume

• 30 kPa

• Initial pressure

• 9000 mL

Tags

NGSS.HS-PS3-1

A sample of bromine monochloride in a rigid container has its temperature changed from 1100 K to 700 K. If its new pressure is 800 kPa, what was its initial pressure in kilopascals?

• Final pressure

• 700 K

• Initial temperature

• Unknown

• Initial pressure

• 800 kPa

• Final temperature

• 1100 K

The temperature of a sample of krypton is changed without changing its volume, causing a change in pressure from 7 atm to 0.8 atm. If the starting temperature was 140 °C, what is the final temperature in degrees Celsius? Which equation should be used to solve the problem?

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A sample of ammonia gas experiences a change in pressure from 70 kPa to 200 kPa. If its new volume is 30 L, what was its original volume in liters? Which equation should be used to solve the problem?

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A sample of ethene in a metal container at 0.9 atm has its temperature changed from 200 °C to 110 °C. What is the final pressure in atmospheres? Which equation should be used to solve the problem?

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The temperature of carbonyl dichloride is changed from 230 K to 600 K. If its new volume is 40 L, what was its original volume in liters? Which equation should be used to solve the problem?

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A sample of acetylene in a 90 L metal cylinder at 0.5 atm has its temperature changed from 400 K to 260 K while its volume is simultaneously changed by a piston to 9 L. What is the final pressure in atmospheres? Which equation should be used to solve the problem?

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