Biology Forums - Study Force

You set up a bomb calorimetry experiment using 1 liter of water as your heat sink and
combusting a 4.409 g sample of propane (C3H8). If the initial and final temperature are
24.90 °C and 77.96 °C respectively, what is the approximate molar enthalpy of combustion
of ethene? (Assume the calorimeter itself absorbs no heat. Assume the density of water is 1
g·mL-1)

1. −222.0 kJ · mol−1
2. −222, 000 kJ · mol−1
3. −22.20 kJ · mol−1
4. −22, 200 kJ · mol−1
5. −2, 220 kJ · mol−1

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