How many grams of NaOH is needed to neutralize 90 mL of 1.5 N HCl?

This drawing shows a human body system. what is the primary function of this body system?

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?

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size