If a liquid has a density of 1.36 g/mL, what is the mass of 550.0 mL of the liquid? Report your answer with the correct number of significant figures. ​

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?

The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.

How is the way a mixture is combined different from how a compound is combined?