1. Intro to General Chemistry

Which of the following best explains why ice floats in water?

In the context of density, which of the following best describes a thermocline?

Which of the following gases has the greatest density at a given temperature and pressure?

Which physical property is defined as the mass of an object divided by its volume?

Why does ice float on water after it crystallizes?

A liquid in the lab has a density of 1.24 g/cm^3. What is the mass of 250 mL of this liquid?

An unknown diatomic gas has a density of 3.164 g/L at STP. What is the identity of the gas?

How does increased salinity affect the density of water?

Which of the following best explains why ice floats on water?

Which of the following materials will displace a measurable volume of water when fully submerged in a container of water?

Approximately how much does a gallon of water weigh at room temperature (in pounds)?

Which of the following materials is the most dense?

What is the specific gravity of distilled water at 4°C?

Which of the following substances has the greatest density?

Which mathematical operation would you use to calculate the mass of an object if you know its density and volume?