1. Intro to General Chemistry

A 30 kg sample of an unknown material has a volume of 15 m^3. What is its density in kg/m^3?

Which of the following best describes the density of an object?

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

Given a graph showing that an object has a mass of 50 g and a volume of 25 mL, what is the density of the object, in g/mL?

Greg has a blood volume of 5.9 qt. If the density of blood is 1.06 g/mL, what is the mass, in grams, of Greg's blood? (Note: 1 qt = 946.353 mL)

Which of the following best describes how increasing temperature generally affects the density of a material?

What is the density of a sample that has a volume of 2 mL and a mass of 10 grams?

What is the density of a rock sample that has a mass of 11.2 g and a volume of 1.9 cm^3?

If the density of a fuel is 0.821 g/ml, what is the mass of 250 ml of this fuel?

The density of solid nickel (Ni) is 8.90 g/cm^3. How many atoms are present per cubic centimeter (cm^3) of Ni? (Atomic mass of Ni = 58.69 g/mol; Avogadro's number = 6.022 × 10^{23} atoms/mol)

The density of water is 1 g/cm^3. What is this value in kg/m^3?

Which of the following best describes the effect of increasing salinity on the density of water?

A sample in your lab has a mass of 2.7 kg and occupies a volume of 0.001 m^3. Based on its density, which substance is it most likely to be?

Given that FeO crystallizes in the rock salt (NaCl) structure, which of the following is closest to its density in g/cm^3? (Atomic masses: Fe = 55.85 g/mol, O = 16.00 g/mol; Avogadro's number = 6.022 × 10^{23} mol^{-1}; edge length of unit cell = 4.30 Å)

Which of the following is the best estimate for the volume of a typical shampoo bottle?