Multiple choice

Define exothermic

  1. form of energy that flows from warmer to colder objects

  2. average kinetic energy of molecular collisions

  3. chemical reaction that gives off heat

  4. chemical reaction that absorbs heat

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

An exothermic reaction is defined as a process that releases energy, usually in the form of heat, into the surroundings. This causes the temperature of the surroundings to increase.