Given the thermochemical equations X2+3Y2⟶2XY3ΔH1=−380 kJX2+3Y2⟶2XY3ΔH1=−380 kJ X2+2Z2⟶2XZ2ΔH2=−120 kJX2+2Z2⟶2XZ2ΔH2=−120 kJ 2Y2+Z2⟶2Y2ZΔH3=−220 kJ2Y2+Z2⟶2Y2ZΔH3=−220 kJ Calculate the change in enthalpy for the reaction. 4XY3+7Z2⟶6Y2Z+4XZ2

Q: The standard enthalpy change for the following reaction is 2.14x10³ kJ at 298 K. UF6(S) U(s) + 3…

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Q: 1. Calculate A H for 2S (s) + 302 (g) → 6FE203 based on the reactions: 2H2S (g) + 302 (g)→2SO2(g) +…

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

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Q: Given the following information: 2 NH3(g) + 3 N2O(g) → 4 N2(g) + 3 H2O(l)              ΔHºrxn =…

A: Solution - According to the question - Given reaction - 2NH3(g) + 3 N2O(g) ---> 4N2(g) + 3H2O(l)…

Q: Given the following data: Cl2(g) + 5F2(g) → 2ClF5(g) ΔH°=-510.0 kJ ClF3(g) + Cl2(g) → 3ClF(g)…

A: The question is based on the concept of Hess's law. It states that the net enthalpy change during a…

Q: Given the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−380    X2+2Z2⟶2XZ2Δ?2=−130 kJ…

A: Since, The standard enthalpy of the formation is defined as change of enthalpy of 1 mol of the…

Q: A chemist measures the enthalpy change AH during the following reaction: 3 N2(g) + 8 H,(9g)–4 NH3(g)…

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Q: A solution is made by mixing 285.0 mL285.0 mL of ethanol initially at 12.0 ∘C12.0 ∘C with 285.0…

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Q: The standard enthalpy change for the following reaction is 35.6 kJ at 298 K. L(s) + Cl2(g) – 2…

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Q: Use the enthalpy of formation data provided on the instruction page to calculate the overall…

A: The enthalpy change of a reaction is equal to the sum of standard enthalpy of formation of products…

Q: Given reactions A- C, determine the the change in enthalpy (kJ) for the reaction between C3H8(g) +…

A: Given (A) 3Cs+4H2g→C3H8g        ∆H=-104.7 KJ(B) Cs+O2g→CO2g               ∆H=-393.51 KJ(C) H2g+1/2…

Q: Consider the following data. 2 C(s) + H2(g) C2H2(g) H = +226.8 kJ C(s) + O2(g) CO2(g) H…

A: We have given 2C(s) + H2(g)  → C2H2(g)          ∆H1 = +226.8 kJ   .................(1) C(s) + O2(g)…

Q: Q1a: What is the change in internal energy of a system (ΔU) if 5.42 kl of heat is absorbed by the…

A: A. From the first law of thermodynamics:  Q + W = ∆U ...(1) Here, Q = +5.42 kJ (as heat absorbed by…

Q: Given the thermochemical equations X₂ +3Y₂ → 2XY, AH₁ = -310 kJ X₂ +22₂ → 2XZ₂ AH₂ = -160 kJ…

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Q: Enthalpy of formation (kJ/mol) Substance A(s) -17.22 A(g) 25.35 A(I) 4.18 B(s) 28.06 B(g) 45.08 C(s)…

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Q: Using the standard enthalpies of formation: CO(g) = -103.9 kJ mol-1 CO(NH2)2(s) = -334.94 kJ mol-1…

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

Q: Given the thermochemical equations X₂+3Y2 2XY, AH₁ = -380 kJ X₂+2Z2 → 2XZ₂ AH2 = -190 kJ 2Y2 +…

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

Q: Given the thermochemical equations X2+3Y2⟶2XY3Δ?1=−330 kJ X2+2Z2⟶2XZ2Δ?2=−190 kJ 2Y2+Z2⟶2Y2ZΔ?3=−220…

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Q: Calculate the energy required to

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Q: If 20.0 g of CH4 reacts with excess oxygen, what is the change in enthalpy for the reaction?…

A: The reaction considered is the combustion of methane and it is exothermic.

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

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Q: Calculate the value of AH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given the…

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Q: Find the change in enthalpy for the imaginary reaction below, given the following imaginary…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: 7N2(9) +5H2(9) → NH3(g) AH = -46KJ z H2c9) +Clz@) → HCl) N2(9) +4H2(9) + Cl29) → 2NH¼C\(s) → HCl(g)…

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Q: Given the thermochemical equations X₂ + 3 Y₂ → 2XY3 X₂ +2Z₂ → 2XZ₂ AH₁ = -380 kJ AH₂ = -120 kJ…

A: It is based on the concept of enthalpy change of the reaction.Here we are required to find the…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 124. kJ during a…

A: Given, Change in energy,∆U = 124. kJ Work done, w = -200 kJ

Q: A system releases 152.7 J of heat and has 320.6 J of work done on it by the surroundings. What are…

A: Given information,  A system releases 152.7 J of heat.  Work done on system by the surroundings =…

Q: Given the following reactions 2S (s) + 3O2 (g) → 2SO3 (g)     ΔH = -790 kJ    S (s) + O2 (g) →…

A: We have to calculate the enthalpy of yeh the Given reaction.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.94 kg sample…

A: Answer:Here:

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: H2(9) + O2(9) → H2O ate the enthalpy change us 2H2O2(1)2H20(1) H2 (9) +02(9)→ H

A: According to the question, Hydrogen peroxide is prepared in a process whose overall change is: H2(g)…

Q: Given the thermochemical equations X₂ + 3 Y₂ → 2XY, AH₁ = -330 kJ X₂ +2Z₂ → 2XZ₂ - AH₂ = -190 kJ…

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Q: Given the following data N2(g) + O2(g) → 2NO(g) 2NO(g) + O2(g) → 2NO2(g) AH = +180.7 kJ AH 113.1 kJ…

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Q: Given the following reactions N2 (g) +202 (g) → 2NO2 (g) 2NO(g) + O2 (g) → 2NO2 (g) ΔΗ = -114.2 kJ…

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Q: Consider the first three written formulas, and then use Hess’ law to find the change in enthalpy ,…

A: Given,        2 ClF  +  O2  → F2O                                       ∆H = 167.4 KJ/mol        2…

Q: Given the thermochemical equations X, + 3 Y, → 2XY, ΔΗ = -390 kJ - X, + 2Z, – 2 XZ, AH2 = -120 kJ…

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Q: Use standard heats of formation and the following equation to determine the enthalpy of formation of…

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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…

Q: ven the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−390 kJX2+3Y2⟶2XY3ΔH1=−390 kJ

A: Applying concept of Hess's law of thermochemistry .

Q: Given the thermochemical equations X₂ + 3 Y₂ → 2XY3 - AH₁ = -310 kJ X₂ +2Z₂ → 2XZz ΔΗ, = −190 kJ…

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

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Q: Calculate the enthalpy of the following reaction using the data in the table. 1A +4B + 5C → 5D + 1E…

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Q: Consider the following data. 2 C(s) + H2(g)  C2H2(g)   H = +226.8 kJ C(s) + O2(g)  CO2(g)   H =…

A: The given data is as follows: 2C(s) + H2(g) → C2H2(g)  H1=+226.8 kJ                        .....(1)…

Q: Consider these reactions, where M represents a generic metal. 2 M(s) + 6HCl(aq) →→→ 2 MC13(aq) + 3…

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Q: Given the following thermochemical equations: 02 (8)+2 F2 (g) 2 OF2 (g) Cl₂0 (g) + 3/2 OF2 (g) -…

A: Answer:- This question is answered by using the simple concept of Hess law of constant Heat…