A reaction which will proceed in both forwards and backwards directions is called a _____________.

chlorine + potassium bromide ==> potassium chloride + bromine           What is this reaction called?

At __________, the rate of the forward and reverse reaction are the same. the rate of the forward and reverse reaction are the same.

When an exothermic reaction takes place, the reaction mixture gives out heat because more energy is ____ when new bonds are formed than is taken in when existing bonds in the reactants are broken.

The breaking down of a compound by passing an electric current through it is called ________.

When an acid and an alkali react, a salt and water are formed. What is the salt produced when ammonium hydroxide reacts with nitric acid?

What is the transition metal used as a catalyst(to convert carbon monoxide to carbon dioxide) in the car exhaust?

The minimum amount of energy required by particles to react is called the _________.

____________ reaction happens when energy is released to the surroundings and the temperature of the surroundings increases.

_____ reaction happens when energy is absorbed from the surroundings and the temperature of the surroundings decreases

Energy change in a chemical reaction is represented by the symbol...

As you go down group 7, from fluorine to astatine, what happens to the reactivity of the elements?

ΔH is negative for what type of reactions?