Chemistry, 22.10.2020 23:01 danielmartinez024m
15. Which of the following choices correctly describes what happens to liquid water if its
molecules slow down enough?
a. A physical change takes place as energy is removed, and it changes to a solid.
b. A physical change takes place as energy is added, and it changes to a gas.
A chemical change takes place as energy is added, and its temperature rises.
d.
A chemical change takes place as energy is removed, and it changes to a solid.
Answers: 2
Chemistry, 22.06.2019 09:30
Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature
Answers: 3
Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
Answers: 2
Chemistry, 23.06.2019 00:00
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
Answers: 2
15. Which of the following choices correctly describes what happens to liquid water if its
molecule...
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