Front

What is a chemical reaction?

Back

A process where reactants are transformed into products through the breaking and forming of chemical bonds.

Front

What are reactants in a chemical reaction?

Back

Substances that undergo change during a chemical reaction; they are the starting materials.

Front

What is the symbol for a solid substance in a chemical equation?

Back

(s) - indicates that the substance is in solid form.

Front

What type of reaction occurs when one element replaces another in a compound?

Back

Single replacement reaction.

Front

What is a double replacement reaction?

Back

A reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What does the term 'synthesis reaction' refer to?

Back

A type of chemical reaction where two or more simple substances combine to form a more complex product.

Front

What is the role of a catalyst in a chemical reaction?

Back

A substance that increases the rate of a chemical reaction without being consumed in the process.

Front

What is the law of conservation of mass?

Back

In a chemical reaction, mass is neither created nor destroyed; the total mass of reactants equals the total mass of products.

Front

What is an example of a combustion reaction?

Back

The reaction of a hydrocarbon with oxygen to produce carbon dioxide and water.