Need help!! A sample of water is currently boiling. What phase(s) is/are present?
gas
Liquid
solid

State the formula for density in words and mathematical symbols

How many moles of carbon dioxide will form if 2.5 moles of c3h8 is burned

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?