which sentences contain a pronoun that is unclear because the antecedent is unclear? Check all that apply.

A sample of a gas is contained in a closed rigid cylinder. According to kinetic molecular theory, what occurs when the gas inside the cylinder is heated? (1) The number of gas molecules increases.

Air is a mixture of many gases. A 25.0-liter jar of air contains 0.0104 mole of argon at a temperature of 273 K. What is the partial pressure of argon in the jar?

An atom has a diameter of approximately 0.0010 um. How many meters is this?

The radioactive isotope of lead, Pb-209, decays at a rate proportional to the amount present at time t and has a half life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 90% to decay?

The three greatest Renaissance painters were: Leonardo de Vinci Michelangelo Handel Raphael

What causes element name to change

Charles's law states that

If 30mL of 0.5M KOH is needed to neutralize 2M HCl, what was the volume of the acid?

A ratio wave travels 186,000 miles per second. How many kilometers will the wave travel in one microsecond? (1 mile=1.61 km)

Pb (BO2) 2 chemical name