Determine the number of elements in the compound below. Isopropyl Alcohol
2-Hexoxyethanol
AmmoniumHydroxide(NH4OH)
Propylene Glycol

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?

What is the approximate vapor pressure when the gas condenses at 70 degrees celsius

One similarity and one difference between an element and a mixture of elements