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When 50 G of a Certain Material At 100∘C100 ^ { \circ } \mathrm { C }

Question 29

Multiple Choice

When 50 g of a certain material at 100∘C100 ^ { \circ } \mathrm { C } is mixed with 100 g of water at 0∘C0 ^ { \circ } \mathrm { C } the final temperature is 40∘C40 ^ { \circ } \mathrm { C } What is the specific heat of the material? The specific heat of water is 1.00kcal/kq⋅C∘1.00 \mathrm { kcal } / \mathrm { kq } \cdot \mathrm { C } ^ { \circ }


A) 0.33kcal/kg⋅C∘0.33 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }
B) 7.5kcal/kg⋅C∘7.5 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }
C) 1.3kcal/kg⋅C∘1.3 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }
D) 0.75kcal/kg⋅C∘0.75 \mathrm { kcal } / \mathrm { kg } \cdot \mathrm { C } ^ { \circ }

Correct Answer:

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