2. (9 points) A 0.600 kg unknown substance absorbs 5.260 x 104J of heat to raise its temperature by 100 degrees C. What is the specific heat of this substance? Show your work.
Identify it using the table above. Explain your answer.
3. (9 points) You have a 1.55 kg block of silver at room temperature of 20 °C. Silver melts at 962°C. How much heat energy would be needed to just melt the silver? (Hf (silver) = 111 kJ/kg). Show all work.
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