Producing required energy from Combusting Methane

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SUMMARY

The discussion focuses on calculating the amount of methane (CH4) required to produce 6.38x10^6 joules of energy through combustion. The combustion reaction is represented as CH4 + 3O2 --> CO2 + 2H2O. To determine the energy produced, participants emphasize the need for the enthalpy of combustion of methane, which can be found in reference tables or calculated from previous data. The initial part of the problem involved calculating energy requirements for heating air, which provides context for the energy needed from methane combustion.

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  • Understanding of chemical reactions and stoichiometry
  • Knowledge of enthalpy and energy calculations
  • Familiarity with combustion reactions
  • Ability to use thermodynamic tables for enthalpy values
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  • Research the enthalpy of combustion for methane (CH4)
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  • Learn how to use thermodynamic tables effectively
  • Explore stoichiometric calculations in combustion reactions
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Chemistry students, educators, and professionals involved in energy production or combustion analysis will benefit from this discussion.

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Homework Statement



How much methane, CH4 is must be burned to produce 6.38x10^6j of energy

Homework Equations



CH4 + 3O2 --> CO2 + 2H2O

The Attempt at a Solution



This is actually the second part of a pretty long multi part question. I couldn't find out how to figure out the amount of energy produced by this reaction. In the first part of the question I found how how much energy was required to raise 5.8x10^5 grams of air (specific heat of 1.1 j/(gxC) by 10C. Which is where I get the energy from. Could anyone please guide me as to where to start? I have been looking in my book but have not found anything.
 
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You need enthalpy of methane combustion. It is either given somewhere in the question, or can be calculated from the previous data, or there are tables in your book, where this information is listed.
 

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