1. Intro to General Chemistry

Which instrument is commonly used to determine relative cell density based on the turbidity of a culture?

Which term is defined as the ratio of the mass of a substance to the volume of the substance?

In a laboratory experiment, a student measures the mass of a plastic cube to be 24.0 g and its volume to be 8.0 cm^3. What is the density of the plastic cube?

Why does ice float on top of water?

In the context of measuring liquid volume in a graduated cylinder, what is the name of the curved surface formed at the top of the liquid?

What is the density of carbon monoxide (CO) gas at standard temperature and pressure (STP)?

Which of the following elements has the greatest density at standard temperature and pressure (STP)?

A sphere with a mass of 12 g has a radius of 2 cm. What is its density?

Which of the following is NOT a type of density commonly discussed in chemistry?

Which of the following is the correct formula for calculating density?

If you double the size (volume) of a substance but keep its mass per unit volume the same, how does its density change?

Why does ice float on top of liquid water?

Which of the following formulas correctly calculates the density of a substance?

An oak board has a mass of 2.40 kg and a volume of 3.00 × 10^3 cm^3. What is the density of the oak board?

Which is denser: iron or aluminum?