Thermochemistry

___________________ is the capacity to do work or supply heat.

• energy

• heat changes

• specific heat

• thermochemistry

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

NGSS.HS-PS3-4

Ice cream melting is an example of an __________ process. (heat enters the system from the surroundings)

• endothermic

• exothermic

Tags

NGSS.HS-PS3-4

Sweating is an __________________ process because heat is released.

• endothermic

• exothermic

Tags

NGSS.HS-PS3-4

what does c stand for?

• heat capacity

• specific heat

• mass

• temperature

Mass must always be in ________ for energy calculations.

• kilograms

• grams

• joules

• calories

Tags

NGSS.HS-PS1-7

What is the specific heat of water?

• 4.184 J/gC

• 1.00 cal/gC

• All of the above

• none of the above

Tags

NGSS.HS-PS3-4

When heat flows from system to the surroundings that is an example of an ________________ process.

• exothermic

• endothermic

Tags

NGSS.HS-PS1-4

What device is used to measure the amount of heat involved in a chemical reaction or physical process?

• barometer

• calorimeter

• thermometer

Tags

NGSS.HS-PS3-4

Kinetic energy is energy gained _______________

• while at rest

• during motion

Tags

NGSS.HS-PS3-2

What is calorimetry?

• process of measuring kinetic and potential energy

• process of measuring heat flow of chemical reactions

• process of measuring pressure and temperature of a substance

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4