Chemistry Calorimetry Solution: A sample of 1.67 grams of compound Y is burned com...

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Solution: A sample of 1.67 grams of compound Y is burned completely in a bomb calorimeter which contains 2500 g of water. The temperature rises from 24.273ºC to 24.587ºC. What is ∆Urxn for the combustion of compound Y? The hardware component of the calorimeter has a heat capacity of 3.29 kJ/ºC. The specific heat of water is 4.184 J/g·ºC, and the MW of Y is 117 g/mol. 1. -344.7 2. -615.4 3. -392.1 4. -322.0 5. -302.5 6. -185.4 7. -482.0 8. -652.5 9. -278.2 10. -424.3