Four identical $$\(50 \mathrm{~mL}\)$$ cups of coffee, originally at $$\(95^{\circ} \mathrm{C}\)$$, were stirred with four different spoons, as listed in the table above. In which cup will the temperature of the coffee be highest at thermal equilibrium? (Assume that the heat lost to the surroundings is negligible.)
A.
\(\operatorname{Cup} \mathrm{A}\)
B.
\(\operatorname{Cup} B\)
C.
\(\operatorname{Cup}\) C
D.
Cup D
Exam No:Sample Exam Questions Year:2024 Question No:7
Answer:
B
Knowledge points:
6.4 Heat Capacity and Calorimetry
Solution:
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