A sample of iron absorbs 67.5 J of heat, upon which the temperature of the sample increases from 21.5 °C to 28.5 °C. If the specific heat of iron is 0.450 J/g-K, what is the mass (in grams) of the sample?
A) 4.3
B) 11
C) 21
D) 1100
E) 1.1 x 103
Correct Answer:
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