PHY SCI FINAL REVIEW

Front

What type of reaction is represented by the equation: Fe(s) + CuSO₄(aq) → FeSO₄(aq) + Cu(s)?

Back

Single replacement reaction.

Front

What is the phase transition called when solid carbon dioxide turns directly into a gas?

Back

Sublimation.

Front

Water is commonly known as the universal __________.

Back

solvent.

Front

What type of energy is responsible for producing heat and light from the sun?

Back

Nuclear energy.

Front

What type of reaction is represented by the equation: AgNO₃(aq) + NaCl(aq) → AgCl(s) + NaNO₃(aq)?

Back

Double replacement reaction.

Front

Define a synthesis reaction.

Back

A synthesis reaction is a type of chemical reaction in which two or more simple substances combine to form a more complex product.

Front

What is a decomposition reaction?

Back

A decomposition reaction is a type of chemical reaction where a single compound breaks down into two or more simpler products.

Front

What is the definition of a precipitate in chemistry?

Back

A precipitate is a solid that forms and settles out of a liquid mixture during a chemical reaction.

Front

What is the difference between an endothermic and exothermic reaction?

Back

Endothermic reactions absorb heat from the surroundings, while exothermic reactions release heat.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.