Introduction to Thermochemistry

According to the Law of Conservation of Energy, when energy is changed from one form to another,

• all matter is conserved (kept)

• all matter is lost (destroyed)

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The study of changes in heat energy that accompany chemical reactions and physical processes is called

• thermochemistry

• standard enthalpy change

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

If heat is released by a chemical system, an equal amount of heat will be

• absorbed by the surroundings

• released by the surroundings

Tags

NGSS.HS-PS3-4

The energy stored in the chemical bonds of a substance would be classified as potential energy.

• True

• False

Tags

NGSS.HS-PS1-4

Heat is transfered due to temperature difference.

• False

• True

Tags

NGSS.HS-PS3-4

Every chemical change is accompanied by a change in energy.

• True

• False

Tags

NGSS.HS-PS1-4