A pure gold ring (mass of 6 grams) and a pure silver ring (mass of 6 grams), bot

Question

A pure gold ring (mass of 6 grams) and a pure silver ring (mass of 6 grams), both at 19 oC, were dropped into 75 mL of water, whose original temperature was 73 oC. Which of the following is true, given that the specific heat capacity of gold, silver, and water are 0.129, 0.237, and 4.184 J/g oC, respectively?

I. The final temperature of the water will be 19 oC

II. The final temperature of the rings and the water will eventually be the same

III. The final temperature of both rings will be lower than 73 oC

IV. There will be no flow of thermal energy

Question 4 options:

Only I and II are correct Only

II and III are correct Only

III and IV are correct

All of I, II, III, and IV are correct

None of I, II, III, and IV are correct

Explanation / Answer

Final temperature of both the rings would be lower than 73 0C, and the final temperature of both the rings and the water would eventually be the same.

So, only II and III are correct.

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