add all the number and find the average then subtract the mass defect and then you will get your answer
4/325 = 2/unknown temperature
unknown temperature= 2/(4/325)=162.5k
evaporation. When a substance undergoes a change of matter from a solid to gas, it is the process of evaporation.
Hope this helps
Plastics are non-corrosive and non-reactive in nature. So they are used for storing chemicals in the laboratory. They are used for strong chemicals because they do not react with chemicals neither do they corrode