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3. What mass of lead (Pb) is needed to absorb 54,000 calories of energy if its
temperature is to increase only by 2.5°C? (c = 0.128 J/g°C)

Respuesta :

reggod2233

Answer:

706.05 kg

Explanation:

convert calories to joules:

54,000cal -> 225,936j

convert word problem to math:

225936j / (x*2.5C)=.128 j/gC

find x

x=706050 grams

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