If the specific heat of methano is 2.51 J/K. g, how many joules are necessary to raise the temperature of 50.0 g methanol from 20.0 °C to 60.0 °C?

If i initially have a gas at a pressure of 12 atm, a volume of 23 liters, and a temperature of 200 k, and then i raise the pressure to 14 atm and increase the temperature to 300 k, what is the new volume of the gas?

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?

Which type of precipitation would most likely form when the surface air temperature is slightly below freezing and the air temperature increases as you move upward away from the ground?