Narrow belts of strong winds called _ blow near the top of the troposphere

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?

Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?

How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?