Chemistry End of Term 11/19/2024

Front

What type of chemical reaction has two or more reactants to make one product?

Back

Synthesis reaction.

Front

What is the mass of one mole of Carbon atoms?

Back

12.01 grams.

Front

What is the formula (molar) mass of AuCl3?

Back

303.5 g/mol.

Front

Which group of elements sit along a stair step line on the periodic table and have properties of both metals and nonmetals?

Back

Metalloids.

Front

What is the number before a chemical formula called? Example: 2H2 + O2 -> 2H2O

Back

Coefficient.

Front

What is a chemical reaction that involves the burning of a substance in the presence of oxygen?

Back

Combustion reaction.

Front

What is the term for the amount of substance in moles per liter of solution?

Back

Molarity.

Front

What is the principle that states that matter cannot be created or destroyed in a chemical reaction?

Back

Law of Conservation of Mass.

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst.

Front

What is the pH range of acidic solutions?

Back

pH less than 7.