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<li>Two solid objects, X and Y, of equal masses are placed in a molten lead bath and allowed to reach the bath temperature. (The objects themselves do not melt). Each object is placed in a separate fish tank containing 1000 kg of water. Object X raises the water temperature by 20degsC while object Y raises the water temperature 80degsC. Which of the following is true?</li>
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<p>My Question: Why does Y have a larger specific heat than X? I thought it was the other way around.</p>
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<li>Calculate the molecular weight of a small protein (a non-electrolyte) if a 200 mg sample dissolved in 100 mL of water has an osmotic pressure of 9.8 mmHg at 25degsC?</li>
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<p>Note: I have my second chemistry exam tomorrow morning. I would like clear explanations for these (especially for the first question since I spent a lot of time thinking about it but can't quite get it), so I feel confident tomorrow. Thanks.</p>