A liquid has a density of 4.26g/ml. It has a mass of 2.2g. What is the volume of the liquid?

How many electrons does silver have to give up in order to achieve a sido noble gas electron configuration

Acamcorder has a power rating of 17 watts. if the output voltage from its battery is 7 volts, what current does it use?units:

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?