Exam 13: Chemical Reactions

When an acid reacts with a base, the products are ______________ and a salt.

In general, slow reactions

The equation 4H₂O₂ → 4H₂O + 2O₂ is not appropriately written because

The compound Mg(OH)₂ is commonly known as

When carbon combines with oxygen, energy is released to the surroundings. Thus this reaction

Most ______________ do their jobs by decreasing the activation energy for a reaction.

An acid added to a base will produce a

Changes that do not alter the chemical composition of a substance are called ______________ changes.

Which of the following compounds would not precipitate from an aqueous solution during a double-replacement reaction?

The original substances in a chemical reaction are called the ______________.

The process of melting lead is an example of

Increased reactant concentration usually leads to an increase in reaction rate, because collisions are

One reactant of photosynthesis is

A reaction in which a substance reacts with oxygen, bursts into flame, and forms an oxide is called a(n) ______________ reaction.

When an acid reacts with a carbonate or hydrogen carbonate, the products are water, carbon dioxide, and ______________.

When an acid reacts with a carbonate or hydrogen carbonate, the products are water, ______________, and a salt.

The substances that are formed by a chemical reaction are called the

When the forward and reverse reactions are proceeding at the same rate, the reaction is said to have reached ______________.

By definition, the loss of electrons by an atom or ion is called

In the reaction between HCl and Na₂CO₃, which gas is formed?