Chemistry, 25.01.2020 06:31, iklassibrahim123
Solid nh4hs is introduced into an evacuated flask at 24 ∘c. the following reaction takes place: nh4hs(s)⇌nh3(g)+h2s(g) at equilibrium the total pressure (for nh3 and h2s taken together) is 0.614 atm.
Answers: 2
Chemistry, 22.06.2019 00:30, Bryanguzman2004
Water (2510 g ) is heated until it just begins to boil. if the water absorbs 5.09×105 j of heat in the process, what was the initial temperature of the water?
Answers: 3
Chemistry, 22.06.2019 04:00, nothingworksoutforme
The image shows a process that releases nuclear energy which statement best identifies the process shown the process must be fusion because energy is released the process must be fusion because of have your nucleus formed a smaller nuclei the process must be fission because a large nucleus breaks into smaller nuclei the process must be fission because neutrons are formed
Answers: 1
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Solid nh4hs is introduced into an evacuated flask at 24 ∘c. the following reaction takes place: nh4...
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