Chemical Energy Review

Front

How do particles transfer energy?

Back

Particles transfer energy by colliding and interacting with each other.

Front

What type of energy process is shown in the energy level diagram?

Back

Exothermic

Front

True or False: All chemical reactions absorb some energy and release some energy.

Back

True

Front

The ability to do work is the definition of...

Back

Energy

Front

If the ∆H = -890.3 kJ/mol, how much heat will be released if 4 moles of O2 gas react?

Back

1780.6 kJ

Front

What is the definition of chemical energy?

Back

Chemical energy is the energy stored in the bonds of chemical compounds.

Front

What is an endothermic reaction?

Back

An endothermic reaction is a chemical reaction that absorbs heat from its surroundings.

Front

What is an exothermic reaction?

Back

An exothermic reaction is a chemical reaction that releases heat to its surroundings.

Front

What is the law of conservation of energy?

Back

The law of conservation of energy states that energy cannot be created or destroyed, only transformed.

Front

What is activation energy?

Back

Activation energy is the minimum energy required for a chemical reaction to occur.