How could you distinguish through observation among a solution, a colloid, and a suspension?

Name the solvent and solute(s) in the following solutions: a. carbonated water, b. apple juice, c. coffee, d. salt water.

Arrange colloids, suspensions, and solutions in order of increasing particle size.

A mixture of 40 cm$^3$ of oxygen gas and 60 cm$^3$ of hydrogen gas at STP is ignited. What is the mass of water produced?

How many significant figures are in this measurement? 750 mL

Water (H$_2$O) and methane (CH$_4$)have similar molar masses. Methane changes from a liquid to a gas at -161$\degree$C. Water becomes a gas at 100$\degree$C. What could account for the difference?

A mixture of 40 cm$^3$ of oxygen gas and 60 cm$^3$ of hydrogen gas at STP is ignited. Which gas is the limiting reagent?

How many significant figures are in this measurement? 56.003 g

Why is it important to keep some hygroscopic substances in tightly sealed containers?

Hydrogen reacts with oxygen to form water.

2H$_2$(g) + O$_2$(g) $\longrightarrow$ 2H$_2$O(l)

How many liters of oxygen is this at STP?

Some hydrates are efflorescent. Explain what that means. Under what conditions will a hydrate effloresce?

Write the equation that expresses Dalton’s law of partial pressures.

Explain why a hygroscopic substance can be used as a desiccant.

Hydrogen reacts with oxygen to form water.

2H$_2$(g) + O$_2$(g) $\longrightarrow$ 2H$_2$O(l)

How many moles of oxygen arerequired to produce 10.8g H$_2$O?