A Bomb Calorimeter with a Heat Capacity of 13 $\Delta$ _rU = -1822

question 70

Multiple Choice

A bomb calorimeter with a heat capacity of 13.9 kJ °C^-1 has an initial temperature of 21.9 °C. If 5.00 g of propanal (C₃H₆O, molar mass = 58.0791 g mol^-1, $\Delta$ _rU = -1822.7 kJ mol^-1 for combustion) is combusted, calculate the final temperature of the calorimeter.

• A)26.1 °C
• B)16.7 °C
• C)33.2 °C
• D)43.1 °C
• E)34.0 °C

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