Given: h2o(l) → h2o(s) δh° = –6.02 kj at 273k calculate the entropy change of the surroundings (δssurr) when one mole of water freezes at 0°c and a pressure of one atmosphere.

How air particles exert a pressure on the inside of the balloon

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c