Shen fills a beaker with 1000ml of room-temperature water and then adds one ice cube. The ice cube begins to slowly melt. After 5 minutes the ice cube has completely melted and is no longer visible. Which of the following is true of the liquid water after Shen added the ice cube to it?
A. It gains heat energy.
B. It loses heat energy.
C. Its heat energy does not change.
D. Its heat energy increases and then decreases.
Answers: 2
Chemistry, 22.06.2019 04:30
How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b
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Imagine that twenty i.u.โs of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?
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Shen fills a beaker with 1000ml of room-temperature water and then adds one ice cube. The ice cube b...
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