Calculate the enthalpy change observed in the combustion reaction of 1.00 g ethane, using the thermochemical equation.

Question:

Calculate the enthalpy change observed in the combustion reaction of 1.00 g ethane, using the thermochemical equation.

Thermochemical Equation2CH6(g) + 702(g)  4CO(g) + 6HO(l)  = -3120 kJ

Strategy

We will use the same approach as in previous stoichiometry calculations. Convert the mass of ethane to moles; then use stoichiometric relations in the thermochemical equation to calculate ΔH.Mass of CH6 Molar mass of CH6 Moles of CH6 Thermochemical equivalent Enthalpy change

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Related Book For  book-img-for-question

Chemistry Principles And Practice

ISBN: 9780534420123

3rd Edition

Authors: Daniel L. Reger, Scott R. Goode, David W. Ball

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