A 1500.0 L sample of water vapor condenses to form 0.850 L of liquid while releasing 2150 kJ of heat. What are the signs of q and w for this exothermic process

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

Aroller coaster is traveling at 13 mi./s when you purchase a hill that is 400 m long and down the hill exonerate at 4.0 m/s squared what is the final velocity of the posterior found your answer to the nearest number