devaughnnorthcu1565
17.10.2019 •
Chemistry
At sea level, water boils at 100 degrees celcius and methane boiled at -161 degrees celcius. which of these substances has a stronger force of attraction between its particles? explain your answer
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Ответ:
999 kJ
Explanation:
Given are two reactions with enthalpies Δ
and Δ
We know enthalpy is an additive property.
Thus the overall chemical equation can be obtained from adding both the two elementary equations.
Therefore the overall enthalpy is the summation of enthalphy change in each equation.
Δ
Δ
Δ
Δ
Therefore the overall enthalpy is 999 kJ.