A21 liter cylinder contains 1.5 moles of an ideal gas at 311 k what is the pressure of the gas

Which of the following mining methods disrupts the sea floor?

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !