Kinetic Theory

What is the vapor pressure of liquid A at 60 degrees Celsius?

• 50 kPa
• 67 kPa
• 14 kPa
• 60 degrees Celsius

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

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

The temperature at which all molecular motion stops is

• -460 ^.C
• -273K
• 0K
• 0^.C

Tags

NGSS.MS-PS1-4

Standard temperature and pressure (STP) is defined as

• O ^.C and 1.0 atm pressure
• 0^.C and 273 mmHg pressure
• 0K and 1.0 atm pressure
• 0K and 760 mmHg pressure

In which state of matter are the particles only vibrating?

• Gas
• Liquid
• Solid
• Plasma

Tags

NGSS.MS-PS1-4

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.

The molecules of a gas are in constant and random motion.

• TRUE
• FALSE
• DEPENDS UPON THE KIND OF MOLECULE

Tags

NGSS.HS-PS2-1

NGSS.HS-PS3-2

At what temperature do nitrogen molecules move fastest?

• 350 K
• 300 K
• 250 K
• 200 K

Tags

NGSS.MS-PS1-4

Which of the following has the lowest density?

• Gasses
• Solids
• Liquids
• All mater is the same density

What happens to the average kinetic energy of matter when it is heated?

• It increases
• It decreases 
• It doesn't change
• It cannot be determined

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4