Chemical Reactions

Type of chemical reaction with a general formula AB → A + B.

(a)  

In an endothermic reaction, heat energy is .

(a)  

True or False?  During a chemical reaction a new substance (or substances) is produced.  

(a)  

Can be changed to balance a chemical equation 

(a)  

What does the arrow in a chemical equation mean? 

(a)  

True or False? When balancing chemical equations, the subscripts can be changed.

(a)  

In the reaction between sodium (Na) and water (H2O), the gas evolved is:

(a)  

A chemical reaction that releases energy in the form of heat is called:

(a)  

What type of chemical reaction results in the formation of a single product?

(a)  

It has a general formula C_nH_2n+2

(a)