Given :           (1) 2NF3 + 2NO  → N2F4  + 2ONF     ∆H= -82.9 kJ           (2) NO + ½ F2  → ONF                       ∆H = -156.9 kJ           (3) Cu + F2  → CuF2                           ∆ H= -531.0 kJ       Calculate the value of ∆H for the reaction:            2NF3 + Cu → N2F4    +  CuF2             ∆H = ?

Q: 2 PbSO4(s)  +  2 H2O(l)  →  Pb(s)  +  PbO2(s)  +  2  H2SO4(l)   Use the ∆Hf values in the table…

A: Since the ∆Hreaction can be written in terms of ∆Hf as  => ∆Hreaction = sum of (∆Hf of products X…

Q: For each of the following processes, indicate whether the signs of ∆S and ∆H are expected to be…

A: The enthalpy change ∆H is related to the flow of energy in the form of heat. Thus, if heat flows out…

Q: Calculate the ∆Hof of C6H12O6(s) from the following data:  ∆H combustion of C6H12O6(s) =…

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Q: From the ∆H calculated above and the number of moles of acid neutralized in each case, calculate the…

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Q: ∆H for the reaction

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Q: Why is it often more convenient to measure ∆H than ∆E?

A: ∆H is equal to heat change at constant pressure and ∆E is equal to heat change at constant volume.…

Q: Find the heat of reaction and explain what happen to it. Calculate the ∆H of reaction for: C3H8 (g)…

A: Solution - C3H8 (g) + 5O2 (g) →→ 3CO2 (g) + 4H2O (l)      ∆H∘rxn =∑∆H°f,products-∑∆H°f,reactants…

Q: Find the heat of reaction and explain what happen to it. Calculate the ∆H of reaction for: C3H8 (g)…

A: C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (l)      ∆Hrxn° = ∑∆H°f,products-∑∆H°f,reactants   ∆Hrxn° = 3 x…

Q: Consider the following reaction: N2 (g) + 2 O2 (g) → 2 NO2 (g) Using the following information,…

A: Given: (i) N2 (g) + 3 H2 (g) → 2 NH3 (g)                            ∆H1= −115 kJ/mol (ii) 2 NH3 (g)…

Q: Find the ∆H for the reaction below, given the following reactions and subsequent ∆H values: H2SO4…

A: The given equations are:  H2Sg + 2O2g → H2SO4l                  ∆H = -235.5 kJ  ……1 H2Sg + 2O2g →…

Q: thermochemical equation

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Q: CH4(g) + 2 Cl2(g) → CH2Cl2(g) + 2 HCl(g) Calculate ∆Hrxn° using the following data: CH3Cl(g) +…

A: Using Hess's law  Enthalpy of reaction is same for a reaction if the reaction is completes in…

Q: For each of the following processes, indicate whether the signs of ∆S and ∆H are expected to be…

A: The process of evaporation of ethyl alcohol involves the conversion of liquid state to the gaseous…

Q: Given these values, ΔHorxn = -95 kJ; ΔSorxn = -157 J/K; T = 298 K; determine ΔSuniv.     -162 J/K…

A: Answer:- This question is answered by using the simple concept of calculation entropy change of the…

Q: Calculate the ∆H for the reaction  NO(g)   + O(g)   →   NO2(g) given the following information…

A: Given : Consider,  1) NO(g) + O3(g) → NO2(g) + O2(g)             ∆H1 = - 198.9 kJ 2) O3(g) → 3/2…

Q: Calculate ∆Go at 25 ᴼC for the reaction of which ∆Ho = +210kJ; ∆So = 32.5 J/K

A: Given, ∆H° = +210 KJ  ∆S° = 32.5 J/K

Q: Compute for the heat of reaction of the following equation using the information given: CO(g)   +…

A: Heat of reaction (∆H) depends on Stoichiometry of the reaction If a chemical equation is reversed…

Q: Calculate the standard enthalpy of formation of solid Mg(OH)2 given the data shown below. 2Mg(s) +…

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Q: A certain hydrocarbon of the molecular formula CxH2x has a standard enthalpy of formation ∆Hf° =…

A: The correct method to calculate the value for x is attached below

Q: Consider the following equation: 2 CH3OH (ℓ) + 3 O2 (g) à  4 H2O (ℓ) + 2 CO2 (g)         ∆H =…

A: The heat of reaction is a thermodynamic unit of measurement. It is the amount of energy either…

Q: Given the data 2 C (s) + O2 (g) à 2 CO (g)    ∆H = −221 kJ CH3OH (g)  à  CO (g) + 2 H2 (g)   ∆H =…

A: The given data : The given reaction is : 2 C (s)+O2(g)→2 CO (g)  ∆H= -221 kJCH3OH (g)→ CO(g) +2 H2…

Q: Calculate q, AH and AU for the process during which 2 mol NO2 is heated at a constant pressure of 1…

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Q: Please use the following reactions and ∆H values to calculate the theoretical ∆Hsoln for NaCl.…

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Q: 4 NH3 (g)   +   5 O2 (g)      4 NO (g)   +   6 H2O (g)                       ∆H  =  -905 J   What…

A: If Equation is multiplied by 3 the Change in energy will also be three times.

Q: Consider the reactions below: 2A + B → 2C ∆H1 = -115.2 kJ B + D → C ∆H2 = -98.4 kJ 2A → B + 2D…

A: It is given that two reactions have the change in enthalpy(shown below) and the net reaction’s…

Q: Calculate ∆Hrxn for the following reaction:   5C(s) + 6H2(g)⟶⟶  C5H12(l)   Use the following…

A: To find the target equation from the given equations to calculate the ∆Hrxn. All the three givens…

Q: Calculate the change in enthalpy for the following reaction: A + 3B → D ∆Hrxn =? Given: 3A + 12B →…

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Q: ∆H rxn

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Q: Given that the ∆H for the following reaction below is -534 kJ, determine the ∆Hfo for N2H4(l)…

A: The balanced chemical reaction is, N2H4l+O2g→2H2Og+N2g......(1) The enthalpy of the above reaction…

Q: Given the following information, calculate ∆Go for the reaction below at 20. oC. Ni(s) + 1/2 O₂(g)…

A: Gibb's free energy (G) is the energy used to calculate the maximum non-expansion work (reversible…

Q: At 600.0 K, ∆Gº=–31.7 kJ/mol for the following decomposition reaction 2NH3(g) → N2(g) + 3H2(g). What…

A: Since form the balanced reaction 2NH3(g) → N2(g) + 3H2(g)  we can say that 2 moles of NH3 is…

Q: Given :           (1) 2NF3 + 2NO  → N2F4  + 2ONF     ∆H= -82.9 kJ           (2) NO + ½ F2  → ONF…

A: Calculate the value of ∆H for the reaction:    2NF3 + Cu → N2F4    +  CuF2              ∆H = ?

Q: Given: 2C(s) + O₂(g) → 2CO(g) ∆H = -218 kJ C(s) + O₂(g) → CO₂(g) ∆H = -393 kJ How much energy is…

A: The given reactions are: 2C(s) + O₂(g) → 2CO(g)           ∆H = -218 kJ  C(s) + O₂(g) → CO₂(g)…

Q: A 1.75 mol sample of an ideal gas is allowed to expand adiabatically and reversibly to twice its…

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Q: Calculate ΔSuniv for the following reaction at 300K. 2 NO(g) + O2(g)   2NO2(g)          ΔHrxn =…

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Q: The following reaction is being studied: MX (s) ⟶ M+ (aq) +  X-(aq) ∆Hrxn = ??? kJ/mol MX To find…

A: Given that : Initial temperature of DI water = 22˚C Final temperature of solution = 24.5 ˚C Also,…

Q: Using Hess’s law, calculate ∆H° for the first reaction below given the data for the other two…

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Q: Use Hess’ Law to solve: Calculate ∆H for the reaction CH 4(g) + NH 3(g)  HCN (g) + 3H 2(g) ,…

A: Data given:  N2 (g) + 3 H2 (g) → 2 NH3 (g), ∆H = – 91.8 kJ ---------- (1) C (s) + 2 H2 (g) → CH4…

Q: For each of the following processes, indicate whether the signs of ∆S and ∆H are expected to be…

A: If in a reaction, heat is absorbed then  ∆H is negative, while if heat is released, ∆H is positive.…