Chemical Equations and Reactions Review

Which of the following is a balanced chemical equation for the synthesis of water from hydrogen and oxygen?

What is the term for a solution that contains more solute than it can theoretically hold at a given temperature?

• Unsaturated

• Saturated

• Supersaturated

• Dilute

Which of the following is an example of a nonelectrolyte?

• NaCl (aq)

• HCl (aq)

What is the unit of molarity?

• mol/L

• g/L

• L/mol

• mol/g

Tags

NGSS.HS-PS1-5

Which of the following is a double replacement reaction?

Which variable is held constant when using Boyle’s Law to describe the behavior of an ideal gas?

• Pressure

• Volume

• Temperature

• Number of moles

Which of the following best describes a saturated solution?

• A solution that can dissolve more solute at a given temperature

• A solution that contains the maximum amount of dissolved solute at a given temperature

• A solution that contains less solute than it can hold

• A solution that contains undissolved solute at the bottom

Which of the following is a combustion reaction?

Tags

NGSS.HS-PS1-4

If you have 2.0 moles of NaCl dissolved in enough water to make 1.0 L of solution, what is the molarity of the solution?

• 0.5 M

• 1.0 M

• 2.0 M

• 4.0 M

A sample of gas occupies 4.0 L at 1.0 atm. If the pressure is increased to 2.0 atm at constant temperature, what will be the new volume?

• 2.0 L

• 4.0 L

• 8.0 L

• 1.0 L