Chemistry, 25.11.2021 14:00, meowmeowcow
When a sugar cube dissolves in a cup of coffee (an endothermic process), entropy changes of the sugar plus water, the surroundings, and the universe respectively are:
a. negative, positive, positive
b. positive, negative, negative
c. positive, positive, positive
d. negative, negative, negative
e. None of these are correct.
Answers: 3
Chemistry, 22.06.2019 06:00, Sarahinator04
0.09 moles of sodium sulfate in 12 ml of solution
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Chemistry, 22.06.2019 08:30, melikefood01
Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?
Answers: 1
When a sugar cube dissolves in a cup of coffee (an endothermic process), entropy changes of the suga...
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