What is the molar mass of a sample of gas that has a density of 2.85g/L at 101kPa pressure and 29°C? Name the law that is used to solve this problem.

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two

What can be done to make a solid solute dissolve faster in a liquid solvent?