Chemical Reactions 1

Match it! Select the correct answer from the pull down...Good luck!

A chemical reaction that releases energy in the form of light or heat

30g of substance A + 50g of substance B form how many grams of new susbtance?

A chemical that is used to SPEED up the rate of a reaction.

What type of reaction has 1 reactant and 2 or more products?

substances that are formed in a reaction, after the arrow

Energy that is required to start a reaction

What type of chemical reaction has 2 or more reactants and only 1 product?

Substances at the beginning of a reaction, before the arrow