Acetylene,C₂H₂,is a Gas Used in Welding

question 7

Multiple Choice

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/°C,what is the temperature increase of the bomb calorimeter?

• A) 1.59°C
• B) 6.09°C
• C) 7.01°C
• D) 12.3°C
• E) 18.0°C

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