If 2.6L of a gas at 3.1 atm is compressed to 1.3L, what would the new pressure be?

• 1.55 atm

• 2.6 atm

• 6.2 atm

• The pressure stays the same

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

Tags

NGSS.MS-PS1-4

If a nitrogen gas occupies a volume of 500ml at a pressure of 0.971atm. What volume will the gas occupy at a pressure of 1.50 atm, assuming the temperature remains constant?  

• 323.6 ml
• 728.25 ml
• 772.39 ml
• None of the above

Determine the Celsius temperature of 2.49 moles of gas contained in a 1.00-L vessel at a pressure of 143 kPa. 

• -266 degrees C
• -622 degrees C
• 622 degrees C 
• 266 degrees C

Tags

NGSS.HS-PS3-2

A sample of a gas has a volume of 852 mL at 298 K. What temperature is necessary for the gas to have a volume of 945 mL? Which equation would you use?

• Pt = P1 + P2 + P3 + ...

• P1V1 = P2V2

• V1/T1 = V2/T2

• P1V1/T1 = P2V2/T2

A gas has a pressure of 1.50 atm at a temperature of 273 K.  What will be the pressure at 410 K?

• .99 atm
• 2.25 atm
• .75 atm
• 2.5 atm

At 249 kPa sample of nitrogen is heated from 86 degrees Celsius to 107 degrees Celsius.  What pressure will the sample have at the higher temperature?

• 264 kPa
• 266 kPa
• 842 kPa
• 824 kPa

A gas at 36 kpa and 35 C occupies a volume of 78 L. Calculate the volume at STP

• 25 L
• 34 L
• 30 L
• 26 L

A container holds 50.0 mL of nitrogen at 25° C and a pressure of 736 mm Hg. What will be its volume if the temperature increases by 35° C?

• 0.16 L

• 51.7 L

• 1835 L

Tags

NGSS.HS-PS1-5

Standard Temperature and Pressure is:

• 273 K and 101.3 kPa

• 298 K and 101.3 kPa

• 0 K and 273 kPa

• 273 K and 760 kPa