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A jeweler wants to melt a ring. Assume the ring is pure silver and has a...

A jeweler wants to melt a ring. Assume the ring is pure silver and has a mass of 33 grams and the initial temperature of the ring is 58 degrees C. How much energy is required to melt the ring? (Use the attached table for needed constants)

a 2,913.9 J
b 3,939.87 J
c 9,767.67 J
d 6,853.77 J
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Answer #1

Melting point of silver,T=960.800 C

Initial temperature of silver ring,Ti=580 C

Mass of silver ring,m=33 g=0.033 kg

Specific heat of silver,C=233 J/kg K

Energy is required to melt the ring=mCdT=mC(T-Ti)=0.033\times233\times(960-58)=6935.48 J

So option d is correct.

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