Front

What is a coefficient in a chemical equation?

Back

A coefficient is a number placed in front of a chemical formula to indicate how many molecules or moles of that substance are involved in the reaction.

Front

What are intermolecular forces?

Back

Intermolecular forces are the forces of attraction or repulsion between neighboring particles (molecules, atoms, or ions). They play a crucial role in determining the physical properties of substances.

Front

What type of intermolecular force is responsible for the high boiling point of water?

Back

Strong hydrogen bonds between water molecules.

Front

Rank the following intermolecular forces from strongest to weakest: covalent bond, hydrogen bond, dipole-dipole attraction, London forces.

Back

Covalent bond > Hydrogen bond > Dipole-dipole attraction > London forces.

Front

What does the subscript in a chemical formula indicate?

Back

The subscript indicates the number of atoms of the element in a molecule.

Front

What is the boiling point of a substance indicative of?

Back

The boiling point indicates the strength of the intermolecular forces present in the substance; higher boiling points generally suggest stronger intermolecular forces.

Front

What is a synthesis reaction?

Back

A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single 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 are London dispersion forces?

Back

London dispersion forces are weak intermolecular forces that arise from temporary dipoles in molecules, present in all molecules but are the only forces in nonpolar substances.

Front

What is a dipole-dipole attraction?

Back

Dipole-dipole attraction is an intermolecular force that occurs between polar molecules, where the positive end of one molecule is attracted to the negative end of another.