Thermochemistry Vocabulary Terms

Heat

• Energy that flows from a hotter to a colder object

• Property of matter that determines the direction of heat flow

• Capacity to do work or supply heat

• the amount of heat necessary to raise the temperature of exactly one gram of water by one degree Celsius.

Tags

NGSS.HS-PS3-4

Temperature

• Energy that flows from a hotter to a colder object

• Property of matter that determines the direction of heat flow

• Capacity to do work or supply heat

• the amount of heat necessary to raise the temperature of exactly one gram of water by one degree Celsius.

Tags

NGSS.HS-PS3-4

calorie

• Energy that flows from a hotter to a colder object

• Property of matter that determines the direction of heat flow

• Capacity to do work or supply heat

• the amount of heat necessary to raise the temperature of exactly one gram of water by one degree Celsius.

Tags

NGSS.HS-PS3-4

Energy

• Energy that flows from a hotter to a colder object

• Property of matter that determines the direction of heat flow

• Capacity to do work or supply heat

• the amount of heat necessary to raise the temperature of exactly one gram of water by one degree Celsius.

Tags

NGSS.HS-PS3-4

first law of thermodynamics

• energy is neither created nor destroyed

• stored energy or energy of position

• energy of motion

• randomness in position or energy level

• the entropy of the universe is constantly increasing

Tags

NGSS.HS-PS3-2

NGSS.HS-PS3-3

Potential energy

• energy is neither created nor destroyed

• stored energy or energy of position

• energy of motion

• randomness in position or energy level

• the entropy of the universe is constantly increasing

Kinetic energy

• energy is neither created nor destroyed

• stored energy or energy of position

• energy of motion

• randomness in position or energy level

• the entropy of the universe is constantly increasing

Tags

NGSS.HS-PS3-2

Entropy

• energy is neither created nor destroyed

• stored energy or energy of position

• energy of motion

• randomness in position or energy level

• the entropy of the universe is constantly increasing

second law of thermodynamics

• energy is neither created nor destroyed

• stored energy or energy of position

• energy of motion

• randomness in position or energy level

• the entropy of the universe is constantly increasing

Tags

NGSS.HS-PS3-4

Combustion

• a chemical process in which a fuel combines rapidly with oxygen to release energy and form products, often carbon dioxide and water

• any chemical or physical change accompanied by the release of heat.

• A device used to measure the quantity of heat energy released in a combustion reaction.

• the quantity of heat energy given off when a specified amount of a substance burns in oxygen.

• any chemical or physical change that absorbs energy.

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1