A 28.17 g sample of liquid nitrogen (N2) starts at a temperature of -243 °C. How much energy is required to heat it to its boiling point of -196 °C and boil it completely?
S = 1.04 J/gºC delta H, = 2.79 kJ/mol

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Which substance has non polar covalent bonds

Magnesium is the limiting reactant in this experiment. calculate the theoretical yield of mgo for each trial. trial 1: trial 2: data mass of empty crucible with lid trial 1: 26.688 trial 2: 26.681 mass of mg metal, crucible, and lid trial 1: 26.994 trial: 2 26.985 mass of mgo, crucible, and lid trial 1: 27.188 trial 2: 27.180