Week 5 - Chemistry

What is 0.00 degrees Kelvin known as

• No such thing
• Very cold
• Freezing point of Water
• Absolute Zero

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

How do you convert Celsius to Kelvin?

• Add 273
• Subtract 273
• You can't convert those
• They are the same thing

If you increase the pressure of a constant volume of gas, what will happen to the temperature?

• Increase
• Decrease
• Stay the same
• It will Blow Up

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

You have a gas that has a pressure of 2 ATM and a volume of 10L.  What would be the new volume if the pressure was changed to 1 ATM?

• 5 L
• 20 L
• It would stay at 10L
• 1 L

What does Boyle's law relate to?

• Temperature and Volume
• Volume and Pressure
• Temperature and Pressure

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

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?

• 57.5⁰C
• 57.5 K
• 330.5 K
• 330.5⁰C

What is the equation for Charles' Law?

• P₁V₁=P₂V₂
• V₁/T₁=V₂/T₂
• V₁/n₁=V₂/n₂
• P₁/T₁=P₂/T₂

The energy of an object as it is in motion is defined as

• Kinetic Theory
• Kinetic energy
• Potential energy
• Electric energy

Tags

NGSS.HS-PS3-2

Pressure is caused by ______.

• gravity.
• gas molecules colliding with each other.
• gas molecules colliding with surfaces of the container.
• gas molecules reacting with each other.