The branch of science that deals with the identification of the substances of which matter is composed
you can learn by reading about it or google it
+25 kJ; not spontaneous is your answer :) Hope this helps.
Answer:
When water temperature increases (right), the rate of evaporation also increases. In turn, the amount of water vapor in the "air space" above the water increases. ... But, with increased evaporation, more water molecules exist in the air above the water, which in turn increases the condensation rate.
Here is a site my buddie has to help you. Well co-owner..
https://www.quora.com/Why-is-fresly-prepared-FeSO4-required-for-the-ring-test
<span>chemical properties is the changes in chemical manner of a
substances. Antacid tablets neutralize stomach acid is a chemical properties (it is an acid) which produce new products... salt and water
The others are physical properties</span>
