Thermochemistry Quiz (specific heat & latent heat)

Heat flows from _______ to ______ objects

• cooler to warmer
• warmer to warmer
• warmer to cooler
• cooler to cooler

Tags

NGSS.HS-PS3-4

Heat is measured in 

• joules
• grams
• degrees celcius

Energy can not be created or destroyed, it can only be transferred refers to the....

• law of conservation of energy
• law of conservation of mass
• life facts
• law of conservation of chemistry

Tags

NGSS.MS-PS3-5

The specific heat(c) of copper is 0.390 J/g °C. What is the temperature change(∆t) when 100.0 Joules of heat is added to 20.0 grams?

• 12.8 °C

• 24.1°C

• 351 °C

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

A slower particle has a lower energy than an identical, faster particle.

• True
• False

Tags

NGSS.HS-PS3-2

When thermal energy is added to a substance, the substance's particles move:

• More rapidly at an increased distance from each other.

• More rapidly with less distance between each other.

• More slowly with a greater distance between each other.

• More slowly with a reduced distance between each other.

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-4

The temperature of a glass of cold water will eventually...

• Match the temperature of the surrounding environment.
• Always be colder than the surrounding environment.
• Become warmer than the surrounding environment.
• Never change temperature.

Tags

NGSS.HS-PS3-4

Which of the following is an endothermic process?

• solid to gas
• liquid to solid
• solid to liquid
• gas to liquid

Tags

NGSS.MS-PS1-4

20.0 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25.0° C to 20.0° C, how much heat energy is lost?

• -418 J

• 418 J

• -23.9 J

• 4.18 J

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-4

Durning a phase change the temperature of a substance_________.

• always increases
• always decreases
• always stays the same
• varies