Chem 3 exam

Front

A compound that contains only carbon and hydrogen is a(n)

Back

hydrocarbon

Front

When an ionic compound dissolves in water, what surrounds the positive ions?

Back

The negative ends of water molecules surround the positive ions.

Front

Which of the following is NOT a base? HNO3, KOH, NH3, Ba(OH)2

Back

HNO3

Front

What is the predominant intermolecular force between HCl molecules?

Back

dipole forces

Front

For a given amount of gas at a constant temperature, the volume of gas varies inversely with its pressure is a statement of ___ Law.

Back

Boyle's Law

Front

What is the definition of a base in chemistry?

Back

A base is a substance that can accept hydrogen ions (protons) or donate electron pairs.

Front

What is the pH range of acidic solutions?

Back

pH less than 7.

Front

What is the main characteristic of ionic compounds?

Back

Ionic compounds are formed by the electrostatic attraction between oppositely charged ions.

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-4

Front

What is the difference between a strong acid and a weak acid?

Back

A strong acid completely dissociates in solution, while a weak acid only partially dissociates.

Front

What is Avogadro's Law?

Back

Avogadro's Law states that equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules.