When chemists convert ethene to ethanol they have a mixture of the two gaseous substances

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?

Which of the following are correct values for the ideal gas laws constant r

Which states of matter have particles that move independently of one another with very little attraction?