Question

Acetylene, C2H2, is a gas used in welding. The molar enthalpy of combustion for acetylene is –2599 kJ. A mass of 0.338 g C2H2(g) is combusted in a bomb calorimeter. If the heat capacity of the calorimeter is 5.54 kJ/0C, what is the temperature increase of the bomb calorimeter?​

Answer 1

Question:-

Acetylene, C2H2, is a gas used in welding. The molar enthalpy of combustion for acetylene is –2599 kJ. A mass of 0.338 g C2H2(g) is combusted in a bomb calorimeter. If the heat capacity of the calorimeter is 5.54 kJ/0C, what is the temperature increase of the bomb calorimeter?

Correct answer:-

ΔH = CpΔT =

-2599= (0.338 g)(5.54 J/g-°C)(X)

= 6.09°C [Ans].

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