12.1 Part A What is the specific heat of a substance if 130 kJ of heat is needed to raise 9.1 kg of the substance from 1

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12.1
Part A
What is the specific heat of a substance
if 130 kJ of heat is needed to
raise 9.1 kg of the substance
from 18.0∘C to 37.2∘C?
Express your answer using two significant
figures.
c = _________________ J/kg⋅C∘
Part B
How much heat is needed to melt
18.50 kg of silver that is initially
at 15 ∘C? The melting point of silver
is 961∘C, the heat of fusion
is 88 kJ/kg, the specific heat
is 230 J/kg⋅C∘.
Express your answer to two significant
figures and include the appropriate
units.
Q =