7.7 Liquid Octane (C8H18) undergoes combustion according to the following thermochemical equation: 2 C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(l);  ΔHoreax = -11,020 kJ/mol Calculate the standard enthalpy of formation of octane, givenΔHof [ CO2(g)] = -393.5 kJ/molΔHof [ H2O(l)] = -285.8 kJ/mol

Q: Calculate the enthalpy of combustion (kJ/mol) of cetane (C₁₆H₃₄), an analogous component in diesel…

A: Standard enthalpy of formation:CO₂(g) = -393.5 kJ/molH₂O(l) = -285.8 kJ/molC₁₆H₃₄(s) = -458.3 kJ/mol

Q: 2. For which of the following is the enthalpy of the reaction the same as the enthalpy of formation?…

A: The standard enthalpy of formation is the reaction enthalpy when the formation of one mole of a…

Q: what is rge enthalpy change for combustion of 15.0g of ethanol?

A: Step : 1           what is the enthalpy change for combustion of ethanol ?

Q: A scientist measures the standard enthalpy change for the following reaction to be 74.8 kJ: 2HBr(g)…

A: Enthalpy of formation is the enthalpy change during the formation of one mole of the compound from…

Q: A scientist measures the standard enthalpy change for the following reaction to be -18.4 kJ: Ca(OH)2…

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Q: (a) Consider the following chemical reaction: 3FE203(s) + C0(g) → 2FE304(s) + CO2(g) AH° = ? Use the…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: What is the enthalpy change for producing 1.00 kg of acetic acid by this reaction?

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Q: The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g)…

A: 1.5 CO2 (g) + 5 H2O(l)   → 0.5 C3H8 (g) + 2.5 O2 (g) )                  ΔH =+1110 kJ/mol

Q: The enthalpy change for the reaction of hydrogen gas with fluorine gas to produce hydrogen fluoride…

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Q: Determine the enthalpy of reaction for 2CH2(g) → C₂H4(g) + 2H₂(g) using the equations: 2C₂H6(g) +…

A: When any reaction is reversed, then the value of the enthalpy of the reaction remains the same but…

Q: A scientist measures the standard enthalpy change for the following reaction to be -896.4 kJ:…

A: Given : a reaction And ∆H° = -896.4 KJ

Q: For which one of the following is the enthalpy of the reaction the same as the enthalpy of…

A: Given reactions: A) H₂ (g) + F₂ (g) → 2 HF (g) B) Ca (s) + ½ O₂ (g) → CaO (s) C) 2 CH₃OH (l) +…

Q: Propane (C3H8) burns according to the following balanced equation: C3H8(g)+5O2(g)→3CO2(g)+4H2O(g)…

A: The given combustion reaction is given below : C3H8(g)  +  5O2(g)  →  3CO2(g)  +  4H2O(g) Given…

Q: 1. Calculate the enthalpy for this reaction: 3NO 2 (g) + H 2 O(ℓ) ---> 2HNO 3 (aq) + NO(g) given…

A: Given reactions are : 1). 2NO (g) + O2 (g) -----------> 2NO2 (g),  ΔH1o = ─ 116 kJ2). 2N2 (g) +…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1152.8 kJ:…

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Q: (b) Hydrogen sulfide, H2S, is formed from the following reaction: H2(g) + Sa(s) → H2S(g) Determine…

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Q: e enthalpy change

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Q: The combustion of 0.4683 g naphthalene (C10H8(s); MM = 128.16 g/mol) in a constant volume bomb…

A: Mass of naphthalene = 0.4683 gMolar Mass of naphthalene = 128.16 g/molThe final temperature was…

Q: Pentane (C5H12)(C5H12) is a component of gasoline that burns according to the following balanced…

A: We have C5H12(l)+8O2(g)→5CO2(g)+6H2O(g) The standard enthalpy of formation of liquid pentane is…

Q: Methane combustion provides a significant fraction of the world's primary energy, and is used for…

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Q: This coal gas can be used as fuel: CO(g)+H2(g) +O2(g) → CO,(g)+H2O(g) Predict the change in enthalpy…

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Q: The complete combustion of propane in oxygen is represented by the equation C3H8(g) + 5O2(g) →…

A: To determine enthalpy of reaction , enthalpy of formation is required.  Enthalpy of formation is…

Q: A scientist measures the standard enthalpy change for the following reaction to be 6.7 kJ : CO(g) +…

A:

Q: The standard enthalpy changes for the combustion of carbon and carbon monoxide are shown below. C(s)…

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Q: +3 CO(g) 2 Fe(s) + 3 CO2(g) 3 02(g) → 2 Fe203(s) AH = -1648 kJ → 2 CO(g) + 02(g) AH= +565.4 kJ

A: (1) 4Fe + 3O2----> 2Fe2O3, □H = -1648 kJ (2) 2CO2 ----> 2CO + O2, □H = +565.4 kJ (3) Fe2O3 +…

Q: A scientist measures the standard enthalpy change for the following reaction to be -1122.2 kJ :…

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Q: Calculate the standard enthalpy change for the reaction  2C8H18(l) + 17O2(g) → 16CO(g) + 18H2O(l).…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The following molar enthalpies of formation are given in kJ/mol: Hfo[CH3OH (l)] = –239.2;…

A: Given: 2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(g)

Q: Given the standard enthalpy changes for the following two reactions: (1) 4C(s) + 5H₂(g)-C₂H₂(g) (2)…

A: What is the stadard enthalpy change for the reaction (3)?

Q: Methanol (CH3OH) is an organic solvent and is also used as a fuel in some automobile engines. From…

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Q: For which one of the following is the enthalpy of the reaction the same as the enthalpy of…

A: Since standard enthalpy of formation of a compound is the change in the standard enthalpy when one…

Q: Calculate the enthalpy of reaction for the combustion of 9.25 g of butane, C4H10, using the…

A: Given data  - Enthalpy of formation - CO2(g) = -394 kJ/mol; H2O(l) = - 286 kJ/mol; C4H10(g) = -484…

Q: The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g)…

A: Given equation is C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O(l) ΔH = -2220 kJ/mol  Let this be equation…

Q: From the following enthalpies of reaction: 2 H2(g) + O2(g) → 2 H2O(l)…

A: