Chemistry, 08.03.2021 04:00 srutkowske1489
2. Coffee is a solution made by placing coffee grounds into a paper filter and then pouring very
hot water over the coffee grounds. In order to sweeten the coffee, sugar is poured and stirred
until it is completely dissolved.
Michael's coffee quickly dissolved in the water but he wanted it very sweet so he poured a lot
of sugar into the coffee. However, all of the sugar would not dissolve. Which statement below
correctly identifies the reason why all of the sugar would not dissolve?
A. There was too much solvent (coffee grounds and sugar) for the amount of solute (water) so
the solution was saturated.
B. There was too much Solute (coffee grounds and sugar) for the amount of solvent (water) so
the solution was saturated.
C. The solute (coffee grounds) were absorbed by the solvent (paper filter) and only the sugar
reached the water making the solution saturated.
D. The solute (coffee grounds and sugar) were absorbed by the solvent (paper filter) so the
solution never dissolved.
Answers: 3
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Imagine that you push on a large rock. at what point does your effort change the rockβs mechanical energy?
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What will most likely happen in the absence of a cell membrane? a) photosynthesis will not take place. b) the cell will not store food, water, nutrients, and waste. c) energy will not be released during cellular respiration. d) substances will pass in and out of the cell in an uncontrolled manner.
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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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2. Coffee is a solution made by placing coffee grounds into a paper filter and then pouring very
ho...
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