Which equation shows that mass is conserved in the chemical reaction? * a. N2 +2H2 → 3NH3
b. N2 +H2 → NH3
c. 3N2 +H2 → 2NH3
d. N2 +3H2 → 2NH3

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.