Given that AHºrxn = - 52.3 kJ for the following. calculate the AHºf for HNO2 (g). HNO2 (g) + 1/2 O2 (g) = HNO3(aq)

State the formula for density in words and mathematical symbols

What will most likely happen when two bromine atoms bond together?

3. how much energy in joules is required to evaporate .0005 kg of liquid ammonia to vapor at the same temperature? 4. how much energy ( in megajoules ) is given up by .75 kg of water at 0c when it freezes to form ice at 0c? 5. explain how heat works between and at critical temperatures?