Calculate ΔH per the reaction NO(g) + O(g)-> NO2(g) Data: NO(g) + O(g)-> NO(g) + O2(g)      ΔH= -198.9KJ O3(g)->  O2(g) O2(g)->2O(g)                         ΔH= -142.3KJ                                                                                                 ΔH=495.0KJ

Q: An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. AH°F…

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Q: Consider the reactions N2H4(l) + CH4O(l) → CH2O(g) + N2(g) + 3H2(g) ΔH = 80 kJ/mol N2(g) + 3 H2(g) →…

A: As per the given data We need to fing the overall ∆H for the above reactions which can be shown as…

Q: (LO 87) The combustion of benzoic acid (AEcombustion = -3228 kJ/mol C₂H5O₂) can be used to determine…

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Q: From the following enthalpies of reaction, 4HCl(g) + O2(g) -> 2H2O(l) + 2Cl2(g)       ΔH = -202.4…

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Q: Find the standard enthalpy of formation of ethylene, C2H4(g), given the following data: C2H4(g) + 3…

A: Answer:Properties that depend on the size of the system are called extensive properties. They are…

Q: Calculate ΔH for the reaction P4O10(s) + 6PCl5(g) → 10Cl3PO(g) given, P4(s) + 6Cl2(g) → 4PCl3(g)…

A: Let,P4(s) + 6Cl2(g) → 4PCl3(g) ΔH1 = –1225.6 kJ    -----1 P4(s) + 5O2(g) → P4O10(s) ΔH2 = –2967.3 kJ…

Q: Calculate ΔHrxn of the following reaction: 2 NO (g) + 2 H2 (g)  → N2 (g) + 2 H2O (g)     ΔHrxn  =…

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Q: Use the information provided below to calculate AGran (kJ/mol) for the reaction at 25°C. R= 8.314…

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Q: From the enthalpies of reaction: 2 C(s) + O2(g) → 2 CO(g) ΔH =…

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Q: Calculate the enthalpy change for the reaction C2H2(g) + 2H2(g) → C2H6(g)     ΔrH = ? from the…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Given the data below, H°rxn for the reaction 2SO2(g)+O2(g) —> 2SO3(g) is ______ kJ ΔH°f(SO2(g))=-297…

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Q: Find the ΔH (in kJ) for the reaction: PCl3(l)  +  Cl2(g)  →  PCl5(s)   Given: 2 P (s)  +  3…

A: According to hess’s law :- When reactants are converted to products the chage in enthalpy is same…

Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Given reactions are  1) CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l),…

Q: 1. Find the enthalpy of reaction ΔrHo for  the following reaction :  2 S(s) + 3 O2(g) → 2 SO3(g).…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Given the following reactions:             N2(g) + 2O2(g) → 2NO2(g)      ΔH = 66.4 kJ…

A: • The desired equation is,       N2(g) + O2(g) → 2NO(g) ; ∆H= ??    • The given thermochemical…

Q: Calculate the ΔH°298 for the reaction CH4(g) + 2O2(g) → CO2(g) + 2H2O(l). Given the following…

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Q: Consider the following reactions: (1) N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ (2) 2NO(g)+ O2(g)…

A: Dear student I have given answer to your question in the image format.

Q: Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following is…

A: Consider the reaction-      H2(g) + (1/2)O2(g) ---> H2O(l) , ∆H=-286kJ  Since the enthalpy(∆H) is…

Q: 6. Given that: S(s) + O2(g) --> SO2(g); ΔH = -296.8 kJ/mol 2 SO3(g) --> 2 SO2(g) + O2(g); ΔH =…

A: We have to calculate enthalpy (∆H) for -     2S(s) + 3O2(g) --> 2SO3(g) The given reactions are -…

Q: Target Equation: (1)  Mg(s) + 1/2 O2 (g) → MgO(s) Reactions:  (2)  MgO (s) + 2 HCl (aq) → MgCl2…

A: Given: Reaction Mass (grams) of MgO(s)  Mass (grams) of Mg(s) Volume (mL) of HCl(aq)…

Q: CH3OH (l) + 3/2 O2 (g) → CO2 (g)  + 2 H2O (l), ΔH = -726.4 KJ/mol C (graphite) + O2 (g)  → CO2 (g),…

A: Hess’s law of constant heat summation- Change in enthalpy for a reaction is independent on path or…

Q: What is the ΔH for the over all reaction in kJ/mol?

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Q: Given the standard enthalpy changes for the following two reactions: (1) 2Pb(s) + O2(g)-2P6O(s) AH°…

A: Given,

Q: The standard enthalpy change for the following reaction is 433 kJ at 298 K. KClO4(s)---->  K(s) +…

A: For the given reaction, the standard enthalpy change is 433 kJ at 298 K is : KClO4 (s) → K (s) + 1/2…

Q: Which of the following reactions is exothermic? ¹/2 N₂(g) + ¹/2O₂(g) + 90.7 kJ ® NO(g) CO(g) + 111…

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Q: Find the ΔH (in kJ) for the reaction: PCl3(l)  +  Cl2(g)  →  PCl5(s)   Given: 2 P (s)  +  3…

A: In this question, we have to use Hess’s law. It states that the enthalpy change for the overall…

Q: Calculate ΔH for the following reaction: 4 Cu(s) + 2 NO2 (g) → 4 CuO(s) + N2(g) Given the following…

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Q: What is the enthalpy change for the first reaction? Fe2O3(s) → 2Fe(s) + 3/2O2(g) ΔH =  4Fe(s) +…

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Q: Find ΔH for CO2 (g) + H2 (g) → CO (g) + H2O (g) given C3H8 (g) + 3 H2O (g) → 3 CO (g) + 7…

A: We have given that C3H8(g) + 3 H2O(g) → 3 CO (g) + 7 H2(g)           ΔH = 499 kJ C3H8 (g) + 6 H2O…

Q: Given the following data: 2O3(g) → 3O2(g) ΔH = –427 kJ O2(g) → 2O(g) ΔH = 495 kJ NO(g) + O3(g) →…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: Calculate the ΔH° of the reaction? CH4(g) + 2O2(g)→ CO2(g)+ 2H2O(g)  ΔH°f (CH4(g)):-75 kJ/mol ΔH°f…

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Q: Consider these reactions: Reaction 1: H2(g) + Cl2(g) 2HC1(g) AH = –184.6 kJ Reaction 2: 20F2(g) →…

A: In given question we have three reactions and we need to tell which one of these reaction is…

Q: Given the individual step reactions: 2O3(g)  ->  3O2(g)                                  ΔH = -427…

A: This can be done as

Q: Given the following reactions: CaCO3(s) —> CaO(s) + CO2(g) ΔH=178.1kJ C(s, graphite) + O2(g) —>…

A: The reactions given are, 1) CaCO3 (s)  —> CaO (s) + CO2 (g)                                    ΔH…

Q: Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: C3H8(g)…

A: Using Hess's law,  Enthalpy of reaction remains constant whether it completes in single step or more…

Q: Given: Pb(s) + PbO2(s) + 2H2SO4(l) → 2PbSO4(s) + 2H2O(l); ΔH° = –509.2 kJ SO3(g) + H2O(l) →…

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Q: Find out the ΔH (in kJ) for the reaction: 2C(s) + H₂(g) → C₂H₂(g) Given- C(s) + O₂(g) → CO₂(g)…

A: Given  C(s)  + O2(g)   →  CO2(g)               ∆H = - 393.5 KJ…

Q: Use the bond energies provided to estimate ΔH° rxn for the reaction below.   PCl 3(g) + Cl 2(g) →…

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