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Results tagged with thermodynamics
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user 19290
Applicable to questions about heat, energy, work, and their interconversion in chemistry. See the tag wiki for a detailed list of topics. Questions tagged may also be tagged with [enthalpy], [energy], [free-energy] where appropriate.
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Work Done Upon Molecules
In which of the following processes is energy transferred into the substance by work ($w > 0$)?
a) Expansion of a gas against the surroundings
b) Expansion of a gas into a vacuum
c) Vapori …
- 1,143
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Assuming ideal gas behavior, how can I tell when the change in enthalpy is equal to the chan...
If ideal gas behavior is assumed, for which of the following reactions does $\Delta H = \Delta U$?
\begin{align}
\tag{a} \ce{N2O4 &-> 2 NO2(g)}\\
\tag{b} \ce{CH4(g) + 2 O2(g) &-> CO2( …
- 1,143
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What happens when butane and methane both absorb 100 J of heat?
Two cylinders, one containing 1 mole of $\ce{C4H10}$ gas at $\pu{1 atm}$ and the other containing 1 mole of $\ce{CH4}$ gas at $\pu{1 atm}$, are at $\pu{288 K}$. If each gas absorbs $\pu{100 J}$ of …
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