types of chemical reactions

Front

Which generalized equation represents a decomposition reaction?

Back

AB → A + B

Front

In a cold pack, which type of reaction draws heat from the surroundings?

Back

endothermic

Front

Photosynthesis is a chemical reaction that involves the production of glucose (sugar) from carbon dioxide and water in the presence of sunlight. Photosynthesis is what kind of reaction?

Back

Endothermic

Front

What type of reaction involves ions from 2 compounds exchanging places to form 2 completely new compounds?

Back

Double Displacement Reaction

Front

What indicates an exothermic reaction when two chemicals are mixed?

Back

A temperature increase

Front

What does (aq) mean in a chemical reaction?

Back

aqueous

Front

What happens to atoms in a chemical reaction?

Back

never lost or gained, just rearranged

Front

At the end of chemical reactions, what is the total mass of the reactants compared to the total mass of the products?

Back

the mass is the same

Front

Which of the following is a compound?

• zinc (Zn)
• magnesium (Mg)
• sodium chloride (NaCl)
• potassium (K)

Back

sodium chloride (NaCl)

Front

When balancing equations, a ____ can be placed to the left of a formula of a substance to make the equations balanced.

Back

coefficient