State the concentration of hydrochloric acid if 20.0 cm
is neutralised by 25.0 cm
of sodium hydroxide of
concentration 0.200 mol dm-3

What happens to the atomic radius when an elctron is lost

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 popular use of lithium batteries