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15-09-2021
Chemistry

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1. A 457.3 gram cube of lead is heated from 25.0 °C to 75.1 °C. How much energy was required to heat the lead? The specific heat of lead is 0.129 J/g°C.

2.Suppose you needed to cool off 19.8 grams of water at 33.3 °C to 28 °C. Calculate the energy released in this process.

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15-09-2021

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