How many calories of heat are necessary to raise the temperature of 378.2 g of water from 32.2 oC to the boiling point?

How many atoms are there in 5.70 mol of mg

Joe shines white light into a bowl half full of water at an angle of incident of 27.5°. calculate the angle of refraction in the water given the indices of refraction for air and water are 1.00 and 1.36, respectively.

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled