Let’s assume that you put a balloon into the freezer. initially, the balloon had 3.0liters of gas at a pressure of 400kpa and was at a temperature f 294k. if the balloon is cooled to 277k and it’s volume decreased to 1l, what will the new pressure in the balloon be?

Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?