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will upvote! A 2.68g sample of a substance suspected of being pure gold is warmed to 71.8C and submerged into 15.8g of water initially at

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A 2.68g sample of a substance suspected of being pure gold is warmed to 71.8C and submerged into 15.8g of water initially at 24.2C. The final temperature of the mixture is 26.7C. What is the specific heat capacity of the unknown substance? Express your answer using two significant figures

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