Given the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−380    X2+2Z2⟶2XZ2Δ?2=−130 kJ     2Y2+Z2⟶2Y2ZΔ?3=−290 kJ   Calculate the change in enthalpy for the reaction.   4XY3+7Z2⟶6Y2Z+4XZ2

Q: Hydrogen sulfide, H2S, is a foul-smelling gas. It burns to form sulfur dioxide.  Calculate the…

A: The problem is asking us to calculate the enthalpy change when 27.4 g of hydrogen sulfide (H2S) is…

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

A:

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

A:

Q: data

A:

Q: Question 10 of 12 For which one of the following is the enthalpy of the reaction the same as the…

A: The standard enthalpy of formation is defined as the change of enthalpy during the formation of 1…

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: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: The standard enthalpy change  of a reaction is calculated using the following equation:…

Q: Given the standard enthalpy changes for the following two reactions: 2Pb+O2=2PbO 2Hg+O2=2H2O delta…

A: Standard enthalpy change for the following two reactions:1) 2Pb(s) + O2(g) ----> 2PbO(s)  ∆H° =…

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: One can use Hess's law to calculate the change in enthalpy for a process so long as no more than two…

A: •This question is asking regarding Hess's law:- 1)Hess's Law states that regardless of steps of a…

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: An unmeasurable change in enthalpy can be calculated using the Hess law. The following is the…

A: We have to calculate the enthalpy change for following Reaction using Hess law -   2 CH4(g) ⇒…

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…

A:

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

A:

Q: What is the standard molar enthalpy of formation (AHFº) for Al203 based on the thermochemical…

A: The two given thermochemical reaction are as follows; 4Fe(s) + 3O2(g)  -------------> 2Fe2O3(s).…

Q: Use standard enthalpies of formation to calculate the standard enthalpy of reaction for the…

A: Given 2H2S (g) + 3O2 (g) →2H2O (l) + 2SO2 (g)

Q: Calculate the standard enthalpy of formation of gaseous hydrogen fluoride (HF) using the following…

A: Standard enthalpy is the enthalpy change by the formation of 1 mole product from its constituent…

Q: Given the following enthalpy change values for the reactions below: A + B → 2C; AH = 286.5 kJ mol-1…

A: Given A + b → 2C ; ΔrH = 286.5 kJ/mol C + 2D → E + F; ΔrH = 41.8 kJ/mol H → (1/2)E + G ; ΔrH = 41.8…

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…

A:

Q: Given the thermochemical equations X2+3Y2⟶2XY3  ΔH1=−390 kJ X2+2Z2⟶2XZ2  ΔH2=−120 kJ 2Y2+Z2⟶2Y2Z…

A:

Q: AHixn

A:

Q: Consider the following thermochemical equation: 2X2Y6(g) + 7O2(g) ⟶ 4XO2 + 6Y2O Δ?= -2.615 x 103 kJ…

A: Balanced chemical equation: 2X2Y6(g) + 7O2(g) ⟶ 4XO2 + 6Y2O ΔH= -2.615 x 103 kJ  Number of mol =…

Q: Use standard enthalpies of formation to calculate ΔH∘rxnΔHrxn∘ for the following reaction:…

A: Given reaction: CaO(s)+CO2(g)→CaCO3(s) We have to calculate the ΔH∘rxn using the standard enthalpies…

Q: Hydrogen sulfide, H2S, is a foul-smelling gas. It burns to form sulfur dioxide.  Calculate the…

A: The problem is asking us to calculate the enthalpy change when 27.4 g of hydrogen sulfide (H2S) is…

Q: Given the following reaction and enthalpy value: H2(g) + I2(g) -> 2HI(g) deltaH = +52.96 kJ…

A: we know that enthalpy is additive in nature means when reaction add then enthalpy of reaction also…

Q: Given the thermochemical equations X2+3Y2⟶2XY3ΔH1=−330 kJX2+3Y2⟶2XY3ΔH1=−330 kJ X2+2Z2⟶2XZ2ΔH2=−120…

A: Given the thermochemical equations X2+3Y2⟶2XY3ΔH1=−330 kJ (a) X2+2Z2⟶2XZ2ΔH2=−120 kJ (b)…

Q: What is the change in enthalpy for the reaction: 2B (s) + 3H2(g) → B2H6 (g) given these…

A: Step 1:Given thermochemical equationsB2​H6​(g)+3O2​(g)→B2​O3​(g)+3H2​O(g)−−…