A certain substance has a heat of vaporization of 36.21 kJ/mol. At what Kelvin temperature will the vapor pressure be 3.00 times higher than it was at 351 K?

How does decreasing the gas volume affect the pressure of a gas?

Alarge marble is dropped in a graduated cylinder with 35ml of water in it. the water level increases to 49ml. what is the volume of the marble

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?