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How do you determine whether is it [products] - [reactants] or [reactants] - [products] when calculating the enthalpy change of a reaction?

thermodynamics enthalpy

modified yesterday theorist 2,234

1

vote

1

answer

37

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Euler's Theorem and Extensive properties

thermodynamics

answered Jan 15 at 21:51 Buck Thorn 9,671

6

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0

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50

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Why is concentration used as a proxy for activity instead of mole fraction?

physical-chemistry thermodynamics

modified Jan 15 at 14:31 user68044 81

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51

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On the origin of Gibbs Free Energy

physical-chemistry thermodynamics

modified Jan 14 at 21:18 Maurice 2,169

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Improving efficiency of absorption refrigerator (ammonia+hydrogen)

thermodynamics solubility absorption

answered Jan 13 at 5:08 Elliott 111

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Internal energy of reversible, adiabatic expansion

thermodynamics

asked Jan 12 at 13:22 Alice 1

6

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233

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Apparent contradiction in the type of deviation of an ethanol-water mixture

thermodynamics equilibrium solutions

modified Jan 11 at 6:01 Community♦ 1

5

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114

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Kinetics of converting a water + heavy water mixture to HDO

thermodynamics equilibrium isotope

modified Jan 10 at 15:21 Haha Hahaha 358

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78

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Need help understanding Enthalpy

physical-chemistry thermodynamics enthalpy

modified Jan 8 at 9:17 porphyrin 20.6k

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34

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Effect of drinking on internal energy and entropy of the universe

physical-chemistry thermodynamics

modified Jan 7 at 1:00 andselisk♦ 27.8k

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21

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How are cells rechargable?

physical-chemistry thermodynamics electrochemistry redox

answered Jan 6 at 19:52 Mark Wolfman 533

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Calculating entropy change: reversible vs irreversible process

physical-chemistry thermodynamics

answered Jan 5 at 5:43 theorist 2,234

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Entropy as a state function independent of the path

physical-chemistry thermodynamics entropy

modified Jan 5 at 5:18 theorist 2,234

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5

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104

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Clarification on usage of dU =nCvdT

physical-chemistry thermodynamics

modified Jan 4 at 19:51 Loong♦ 38.4k

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