What do we call a reaction that releases energy to its surroundings?
What do we call a reaction that absorbs energy from its surroundings?
Give two examples of exothermic reactions.
Burning methane (in natural gas)
Give an example of an endothermic reaction
Thermal decomposition e.g. thermal decomposition of calcium carbonate takes in a lot of energy from the surroundings.
Chemical reactions involve energy changes. When…