Home > Chemistry > Exothermic processes

What is a chemical reaction that gives off energy?

Answer 1

Avery Adams

The thermite reaction.

#Fe_2O_3+2Alrarr2Fe+Al_2O_3#

The thermite reaction, the reaction of iron oxide with aluminum

#Fe_2O_3+2Alrarr2Fe+Al_2O_3#

gives off a lot of energy. Reactions that liberate heat are called exothermic

Take a look here .

A lot of energy is released because aluminum's affinity for oxygen is much stronger than iron's affinity for oxygen.

By signing up, you agree to our Terms of Service and Privacy Policy

Answer 2

Noah Aldrich

An example of a chemical reaction that gives off energy is the combustion of methane (CH4) with oxygen (O2) to form carbon dioxide (CO2) and water (H2O):

CH4 + 2O2 -> CO2 + 2H2O + energy

By signing up, you agree to our Terms of Service and Privacy Policy

Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.