Question
If there is a decrease in the number of moles of gas during an exothermic chemical reaction, which is numerically larger, $\Delta E$ or $\Delta H ?$ Why?
Step 1
According to the equation $\Delta H = \Delta E + \Delta n_{gas}RT$, where $\Delta n_{gas}$ is the change in the number of moles of gas, R is the gas constant, and T is the temperature. Show more…
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What is the change in enthalpy $(\Delta H)$ for a chemical reaction? How is $\Delta H$ different from $\Delta E ?$
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