Solved: Use the heat equation to calculate the energy, in joules and calories, for each

Chapter 0, Problem 3.38

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QUESTION:

Use the heat equation to calculate the energy, in joules and calories, for each of the following 1see Table 3.112: a. to heat 5.25 g of water from 5.5 C to 64.8 C b. lost when 75.0 g of water cools from 86.4 C to 2.1 C c. to heat 10.0 g of silver from 112 C to 275 C d. lost when 18.0 g of gold cools from 224 C to 118 C

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QUESTION:

Use the heat equation to calculate the energy, in joules and calories, for each of the following 1see Table 3.112: a. to heat 5.25 g of water from 5.5 C to 64.8 C b. lost when 75.0 g of water cools from 86.4 C to 2.1 C c. to heat 10.0 g of silver from 112 C to 275 C d. lost when 18.0 g of gold cools from 224 C to 118 C

ANSWER:

Step 1 of 5

The heat lost or gained can be calculated by estimating the mass of a specific substance, its initial and final temperature if the values of the specific heat of a particular substance are known. These measurements can be plugged into the specific heat expression. This can be rearranged to obtain the heat equation, which can be given as:

                           

                                                   

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