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The caloric content of 0.50 cup of cottage cheese is 1.10 x 102 kcal. This is the amount of energy released when 0.50 cup of cottage cheese is burned or metabolized by the body. The average slow walker requires 226 kcal of energy to walk one mile. How many cups of cottage cheese would provide enough energy for this walker to walk from Gannon’s Zurn Science Center to the Millcreek Mall (19.3 km)?

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mdpeak99

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A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its temperature from 19.3 °C to 68.9 °C.

What is the specific heat of the substance?

If it is one of the substances found in Table 8.1.1, what is its likely identity?

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