Question: The energy released by a decay in a 50.0-g sample of 239 94 Pu is to be used to heat 4.75 kg of water. Assuming

The energy released by a decay in a 50.0-g sample of ²³⁹₉₄Pu is to be used to heat 4.75 kg of water. Assuming all the energy released by the radioactive decay goes into heating the water, find how much the temperature of the water increases in 1.00 h.

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