Question

A 2.20 g sample of the Ethane C2H6 gas was mixed with excess oxygen gas and a combustion reaction occurred to obtain water in liquid aggregate and carbon dioxide state. The combustion reaction occurred at a constant calorimeter under standard conditions.
After the reaction was completed, the temperature in the calorimeter rose by 1.3K. The heat capacity of the calorimeter is 88.8 kJ / K.

1. Write a balanced response to the burning process that took place.
2. Consider the change in standard enthalpy, ∆H for a 1 molar reaction of ethane. Show calculations.
3. Explain how you would calculate ∆H_f [C₂H₆(g)] given you values ​​of:
∆H_f [CO₂(g)] and ∆H_f [H₂O(l)]
Numerical calculations are not required.
4. Determine what the missing data is to calculate the change in the fire enthalpy,
∆H_c of ethane at 100 C?
5. Is a difference between ∆H^o and ∆U^o expected for the reaction formulated in section a? Explain

Answer 1

This question is related to combustion reaction.

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