Water can't cool at a single temperature. It must start at a higher temperature, and drop to a lower temperature in order to cool. Unless we know the other temperature, there is no way to calculate the amount of thermal energy released.
2. B because it has a lower activation energy.
idk because you have no picture with the lines on it
Velocity is speed and Direction. It does not include direction
The kidneys in humans are a part of the system for excretion
Extraction is the process of eliminating waste matter.
80 liters of water
this is a mixture problem.
75% x 20 = 1500 (acid solution)
0 x X = 0 (water)
15 x 20+x = 300 + 15x
looking at column 3, we get 1500+0 = 300+15x
using properties, x=80