Thermochem vocab

Thermochemistry

The study of changes in heat energy

Energy

The capacity to do work or cause heat flow

Chemical potential energy

Energy due to position or composition

Law of conservation of energy

A principle stating that energy cannot be created or destroyed, only transformed from one form to another.

Endothermic Process

Requiring absorption of heat from the surroundings, resulting in a temperature drop in the environment.

Heat

Energy transferred between two objects due to temperature difference

Universe

The totality of all matter, energy, and space, encompassing everything that exists.

System

A portion of the universe currently being observed

Exothermic Process

Causing the release of heat energy

Calorie

A unit of energy describing how much is needed to raise the temperature of a substance by 1 degree Celsius

Heat Capacity

The amount of heat required to change the temperature of a given quantity of a substance by one degree Celsius.

Specific Heat Capacity

The amount of heat required to change the temperature of 1 gram by one degree Celsius and hold that heat.

Surroundings

Everything outside the system that can exchange energy and matter with it.

Joule

A standard unit of energy

Specific Heat

the heat required to raise the temperature of 1 gram of a substance by one degree Celsius (specific) (heat)