Glass beads of mass 100 g and specific heat 0.20 cal/g · Cº are heated to 90ºC and placed in a 300-g glass beaker containing 200 g of water at 20ºC.When equilibrium is reached,the temperature is approximately
A) 23ºC
B) 25ºC
C) 27ºC
D) 32ºC
E) 39ºC
Correct Answer:
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