As water changes state, the water either absorbs or releases energy. Which of these answers is a process that releases energy?
A-Ocean water evaporating
B-Lake water freezing
C-ice subliming
D-snow melting

Urea, co(nh2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. what is the maximum mass of urea that can be manufactured from the co2 produced by combustion of 1.00 x 104 grams of co2?

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?