Unit 7/8 Review

In order to convert from Celsius to Kelvin, you add _ _ _ to the Celsius temeperature.

• 237

• 273

• 372

• 732

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

• 1 L

• 5 L

• 10 L

• 20 L

If the temperature of a gas increases, the pressure ...

• Increase

• Decrease

• Does not change

• All of these

If a balloon is cooled what will happen to the volume?

• Volume will increase

• Volume will decrease

• Volume will not change

Tags

NGSS.MS-PS1-4

In the ideal gas law, what does the variable ' n ' represent?

• Pressure

• Volume

• Temperature

• Number of Moles

• Ideal Gas Constant

Which container will have lower pressure?

• Left

• Right

• They both have the same pressure

What is standard temperature?

• 0 K

• 173 K

• 0 C

• 273 C

If the specific heat of water is 4.18 J/g∙°C, how much heat is required to increase the temperature of 1,200 g of water from 23 °C to 39 °C?

• -80,256 J

• 80,256 J

• 80.256 J

• -80.256 J

Tags

NGSS.HS-PS3-4

A sample of iron receives 50.J of heat energy that raises the temperature of the iron by 25.0°C. If iron has a specific heat of 0.10 J/g°C, what is the mass of the iron sample?

• 20 g

• 25 g

• 30 g

• 50 g

Tags

NGSS.HS-PS3-1

The specific heat of water is 4.18 J/g°C. If 980. J of energy is added to 6.20 g of water at 18.0 °C, what is the final temperature of the water?

• -19.8 °C

• 19.8 °C

• 37.8 °C

• 55.8 °C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4