ch 7

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

A chemical reaction that transfers energy from the reactants to the surrounding is referred to as

A change in color is a sign that a(n) _____is taking place

In a ________ reaction the reactants are broken down into other substances

When a reaction is at equillibrium, increasing pressure favors the reaction that produces

Sound is not made of matter because is has no ______ or __________

A reaction that involves the transfer of ____________ is called a(n) ________reaction

A sign that a chemical reaction is taking place is release of energy in the form of __________ or ___________

A substance is ______________ when it gaines electrons