A gas has a pressure of 230 torr and a volume of 4.5 L. The volume is increased to 6.7 L. What is the new pressure?

Which process does not require the presence of a physical substance in order to transfer heat? air in the atmosphere is heated by the ground. this warm air then rises, and cooler air falls. this is an example of what type of process? how is conduction different from radiation?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

How many grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work