N is a number between and

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?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

How do you know when a chemical reaction has occurred