When water cools from 10 °C and then freezes to become ice, which of the following best describes describe the heat flow between the system and surroundings? A) The energy of the universe is decreasing because the water is cold. B) The energy of the universe is increasing because the energy had to be removed from the water C) The water is absorbing energy as its temperature decreases, and that energy was released by the surroundings. D) The water is releasing energy as its temperature decreases, and that energy is absorbed by the surroundings.
Answers: 1
Chemistry, 22.06.2019 06:10, andybiersack154
Explain the relationship between forward and backward reactions in equilibrium, and predict how changing the amount of a reactant (creating a tension) will affect that relationship.
Answers: 1
Chemistry, 22.06.2019 16:30, sbush1412
Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u. s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?
Answers: 2
When water cools from 10 °C and then freezes to become ice, which of the following best describes de...
Mathematics, 10.11.2020 18:00
History, 10.11.2020 18:00
Mathematics, 10.11.2020 18:00
Biology, 10.11.2020 18:00
Spanish, 10.11.2020 18:00
English, 10.11.2020 18:00
Mathematics, 10.11.2020 18:00