Do the nonpolar Carbon and hydrogen bonds in isopropyl molecules weaken the forces of attraction between the molecules?

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?

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

Is 343 in the sequence -5, -2, 1, 4, 7