Problem related to specific heats
Question: Substances A and B are the same mass and at the same initial temperature. When they are heated, the final temperature of A is 55 degree C higher than the temperature of B. What does this tell you of the specific heats of A and B.
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A particular project requires an initial investment of $10,000 and is expected to generate future cash flows of $4,000 for Year 1 and $3,000 for years 2 through 5.
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Calcium carbonate, or limestone, is relatively insoluble in water. At 25?C, only 5.8 mg will dissolve in 1.0 liter of water. What volume of water is needed to dissolve 5.0 g of calcium carbonate?
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Density of the solution is 1.05 g/mol. What is its molarity of the solution? molailty of the solution? and mass percent of the solution?
Question: What mass of copper would you expect to be deposited from a copper (II) sulphate solution using a current of 0.50 A over 10 seconds?
The Sweetwater Candy Company would like to buy a new machine that would automatically "dip" chocolates. The dipping operation is currently done largely by hand.
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