Chemistry Gas Laws

Directly proportional means that as one value increases ....................

• the other stays the same 
• the other increases as well
• the other decereases
• the other goes to zero

Inversely proportional means as one value increases the other............. 

• increases 
• decreases 
• stays the same 
• goes to zero

What is 50 C in Kelvin?

• 223
• 323
• 100
• 50

Tags

NGSS.MS-PS1-4

How do you convert Kelvin to Celsius?

• Add 273

• Subtract 273

• You can't convert those

• They are the same thing

What is standard temperature?

• 0K
• 0^oC
• 173 K
• 173.15 K

In order to convert to Kelvin, you add ______ to the Celsius measurement.

• 372
• 273
• 237
• 732

If a nitrogen gas occupies a volume of 500 ml at a pressure of 0.971atm. Which equation will allow you to calculate the volume the gas will occupy at a pressure of 1.50 atm?  

• P1V1 = P2V2
• V1/T1 = V2/T2

• P1/T1 = P2/T2
• n1/V1 = n2/V2

A sample of a gas has a volume of 852 mL at 298 K. Which equation would you use to calculate the temperature of the gas at a volume of 945 mL?

• Pt = P1 + P2 + P3 + ...
• P1V1 = P2V2
• V1/T1 = V2/T2
• P1V1/T1 = P2V2/T2

A 135 mL sample of argon had its pressure changed from 75.0 kPa to 121 kPa. What is its new volume?

• 83.7 mL
• 98.3 mL
• 76.4 mL
• 5 mL

Which of the following units measure pressure?

• atm
• L
• K
• mol