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Calorimetry, enthalpy, standard state, Hess's

Calorimetry, enthalpy, standard state, Hess's Law, and the second law of thermodynamics are all important concepts in the study
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c. Use the enthalpy diagram provided above and apply Hess’s Law to determine the standard enthalpy of formation for
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2. asked by Nora
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I've attempted this problem but not sure if i'm on the right track.Use the enthalpy diagram provided above and apply Hess’s
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2. asked by Vince
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Determine the standard molar enthalpy of combustion of octane using Hess's law
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Find the enthalpy for : 4Fe + 3O2 = 2Fe2O3I got the following informations: Fe + 3H2O = Fe(OH)3 + 3/2H2 - Enthalpy is 160.9 kj
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2. asked by Shadow
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What is the enthalpy change (in kJ/mol) for the following process?Na+(g) + Br-(g) --> NaBr (s) Hint: use the Born-Haber cycle
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2. asked by Crystal
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Can you please check my work? I got -4.3KJ/molIf this is not right can you tell me what I am doing wrong? Thank you! Questions.
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2. asked by Lauren
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Hess¡¯ law says that when we add reactions together we can also add the enthalpies. Given the following set of reactions, use
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2. asked by jhon
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Which of the following is the best definition of Hess' Law?A. Heat is always released by the decomposition of 1 mole of a
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2. asked by Anonymous
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Which of the following is the best definition of Hess' Law?A. Heat is always released by the decomposition of 1 mole of a
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2. asked by christine
3. 674 views