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Llana [10]
3 years ago
13

The specific heat of copper metal is 0.385 J/(g × °C). How much energy must be added to a 35.0 gram sample of copper to change t

he temperature from 20.0°C to 65.0°C? (2 points)
270 J
809 J
606 J
1130 J
Chemistry
1 answer:
Montano1993 [528]3 years ago
3 0
Q = mC∆T 

<span>where: </span>
<span>q = heat </span>
<span>m = mass of substance = 35.0 grams </span>
<span>C = 0.385 J/g*C </span>
<span>∆T = change in temperature = 65C - 20C = 45C </span>

<span>q = (35.0 g)*(0.385 J/g*C)*(45C) = 606 J </span>
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