Given the thermochemical equations X2+3Y2⟶2XY3  ΔH1=−390 kJ X2+2Z2⟶2XZ2  ΔH2=−120 kJ 2Y2+Z2⟶2Y2Z   ΔH3=−230 kJ Calculate the change in enthalpy for the reaction. 4XY3+7Z2⟶6Y2Z+4XZ2

Q: Determine the enthalpy change for the reaction: 3C2H2(g)   →   C6H6(l)      given the following…

A: • Given,    2C6H6(l)+1502(g)⟶12C2(g)+62O(g),ΔH=−6271kJ   — (i)…

Q: Given the following thermochemical equations, NO(g) + O3(g) →NO2(g) + O2(g) ΔH = −198.9 kJ/mol…

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Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g) → CF4 (g) AH° =…

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Q: Given the thermochemical equations X₂ + 3 Y₂2 XY3 X₂ +2Z₂ → 2XZ₂ - AH₁ = -390 kJ AH₂ = -160 kJ 2 Y₂…

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Q: Calculate the change in enthalpy for the reaction.   4XY3+7Z2⟶6Y2Z+4XZ2

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Q: Write the thermochemical equation for the following reactions that occur at constant pressure: (a)…

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Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g) → CF4 (g) AH° =…

A: To solve this problem we will use the given two thermochemical equations .

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Q: calculate the change in enthalpy for Reaction 2. Reaction 1:…

A: Given Reaction 1: C3H8(g) + 5O2(g)→3CO2(g) + 4H2O(g)  ∆H1 = -2043 kJ mol-1 Reaction 2: 6C3H8(g) +…

Q: 13. Which represents the standard enthalpy of formation of ammonia? a)  N2(g)+ 3 H2(g) → 2 NH3(g)…

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Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g)→ CF4 (g) AH° =…

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Q: Given the thermochemical equations X2 + 3Y2 ⟶ 2XY3   ΔH1 = −380 kJX2 + 2Z2 ⟶ 2XZ2   ΔH2 = −180 kJ…

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Q: Si(s) + 2 F2(g)        ΔH° =  1.61×103  kJ What is the standard enthalpy change for this reaction…

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Q: Calculate the standard enthalpy of formation of gaseous carbon tetrafluoride (CF4) using the…

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Q: Which of the following chemical equations does not correspond to a standard molar enthalpy of…

A:

Q: Given the thermochemical equations   X2+3Y2⟶2XY3        Δ?1=−390 kJ   X2+2Z2⟶2XZ2…

A: Given: (1) X2 + 3Y2⟶ 2XY3    .........1           Δ?1=−390 kJ (2) X2 + 2Z2⟶ 2XZ2 ...............2…

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

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Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

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Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g) → CF4 (g) AH° =…

A: Equations,  1. H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol 2. C(s) + 2 F2 (g) → CF (g) AH° = 141.3…

Q: Given the thermochemical equations X₂ + 3Y₂ → ->> 2XY, X₂ +2Z₂ → 2XZ₂ ΔΗ, = -160 kJ 2Y₂+Z₂2Y₂Z AH3 =…

A: Given, a) X2 + 3 Y2 -----> 2 XY3  ∆H1 = -320 kJ b) X2 + 2 Z2 -----> 2 XZ2  ∆H2 = -160 kJ c) 2…

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Q: Calculate the standard molar enthalpy of formation of nitrogen monoxide, NO, given the following…

A: This is an application of Hess's law

Q: Given the thermochemical equations A(g)⟶B(g)ΔH=90 kJA(g)⟶B(g)ΔH=90 kJ B(g)⟶C(g)ΔH=−120…

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Q: Calculate ∆H for the reaction H2SO4(l) → SO3(g) + H2O(g) given the following chemical equations and…

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Q: Calculate the change in the internal energy in the formation of SO3 using the following…

A: ∆H=∆E +∆NgRT Where  ∆H = change in enthalpy  ∆E= change in internal energy ∆Ng= change in no. Of…

Q: Given the thermochemical equations X2+3Y2⟶2XY3.       Δ?1=−340 kJ    X2+2Z2⟶2XZ2        Δ?2=−190…

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Q: Determine the enthalpy change, AH°, for the following reaction; N2(g) + 2H2(g) → N2H4() Given the…

A: Determine the enthalpy change of the following reaction ---

Q: a) N2(g) b) Ne(g) c) Na* (aq) d) Cl(g) e) He(g)

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Q: Given the thermochemical equations X, +3 Y, – 2XY3 AH1 = -380 kJ X, +2Z, ► 2 XZ, AH2 = -110 kJ 2 Y,…

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Q: Using the equations H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol C (s) + 2 F2 (g)→ CF4 (g) AH° =…

A:

Q: For the chemical reaction H2 (g) + F2 (g) – 2 HF (g) AH° = -79.2 kJ/mol. %3D What is the enthalpy…

A: The given enthalpy of the reaction is -79.2 kJ/mol for the reaction: H2 (g) + F2 (g) → 2HF (g)

Q: Using the equations H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol C (s) + 2 F₂ (g) → CF₄ (g) ∆H° =…

A: It is given that the enthalpy for the reactions, H2(g) + F2(g) → 2 HF(g) ∆H° = -79.2 kJ/mol  C(s) +…

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Q: Use the following 2 thermochemical equations: 2NO2→ N2 + 20, AH=-677 kJ N2 + 202 N204 AH= 9.7 kJ…

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Q: For the chemical reaction H2 (g) + F2 (g) → 2 HF (g) AH° = -79.2 kJ/mol. What is the molar enthalpy…

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Q: The thermochemical equation for the combustion of hexane is shown below. C6H14(g) + 19/2 O2(g) ® 6…

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Q: When 1 mol of NO(g) forms from its elements 90.29 kJ of heat is absorbed. Write a balanced…

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Q: why is heat a path function when enthalpy is a state function? ( H = q + w)

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

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Q: Define each word in the term standard molar enthalpy of formation. Use the equation as written below…

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Q: For the chemical reaction H₂ (g) + F₂ (g) → 2 HF (g) ∆H° = -79.2 kJ/mol. What is the molar enthalpy…

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