2-Given the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−340 kJ X2+3Y2⟶2XY3ΔH1=−340 kJ   X2+2Z2⟶2XZ2Δ?2=−170 kJ X2+2Z2⟶2XZ2ΔH2=−170 kJ   2Y2+Z2⟶2Y2ZΔ?3=−230 kJ 2Y2+Z2⟶2Y2ZΔH3=−230 kJ   Calculate the change in enthalpy for the reaction.   4XY3+7Z2⟶6Y2Z+4XZ24XY3+7Z2⟶6Y2Z+4XZ2

Q: Methanol is an attractive fuel source in a sustainable, green economy. The chemical energy inherent…

A: Consider the following reaction for the decomposition of methanol: 2CH3OH(l)  →  2CH4(g) + O2(g)…

Q: Given the following thermochemical equations: C2H2( +5 02(9) → 2C0219, + H2Oa → CO219) AH° = -1229.5…

A:

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: Hess's law of constant heat summation says that for a reaction occurring in multiple steps, the net…

Q: 19. One reaction of iron with hydrochloric acid is represented by the following thermochemical…

A:

Q: Determine the change in enthalpy for the following reaction from the enthalpies of formation for the…

A:

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

A:

Q: Given the thermochemical equations X, + 3 Y, → 2 XY, AH1 = -390 kJ X, +2 Z, → 2 XZ, AH2 = -160 kJ…

A: In-order to find the enthalpy change of the desired reaction, the given reactions has to be written.

Q: Calculate ΔHrxnΔHrxn for the following reaction: CH4(g)+4Cl2(g)→CCl4(g)+4HCl(g) given these…

A: The reactions given are, 1) C (s) + 2 H2 (g) → CH4 (g)…

Q: Ammonia is used in the formation of hydrogen cyanide.   NH3(g) + CH4(g) → HCN(g) + 3 H2(g)…

A: According to Hess law of constant heat summation, the total enthalpy of a reaction is the sum of all…

Q: Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction:…

A:

Q: Given the following thermochemical equations: C2H2(6) +;02@) → 2C0) + H20a) C(s) + 02(9) → C026) AH°…

A:

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

A:

Q: 1. What is the connection between Hess's law and the fact that enthalpy is a state function? 2.…

A:

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

A: Note - Since you have asked a question with multiple sub-parts, we will do only the first three…

Q: The enthalpy change for the oxidation of butane, C4H10, is measured by calorimetry. C4H10 (g) + 13/2…

A:

Q: When 0.0500 mol of HCI(aq) is reacted with 0.0500 mol of NaOH(aq) in 50.0 mL of water, the…

A: Answer - The correct option is - (c) –55.8 kJ  According to the question - Given - q = Cp*T =…

Q: Octane (C8H18) undergoes combustion according to the following thermochemical equation.…

A:

Q: Given the thermochemical equations X, + 3 Y, – 2XY, AH1 = -390 kJ X, + 2Z, → 2XZ, AH2 = -170 kJ 2Y,…

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

Q: Calculate the enthalpy of the reaction 4 B (s) + 3 O2 (g) → 2 B203 (s) given the following pertinent…

A: Target equation is  4B(s) + 3O2(g) ------> 2B2O3(s) ; ∆H° = ? Given thermo chemical reactions are…

Q: Consider the following reaction. C(s, graphite) + 2H;O(1) → CO2(g) + 2H2(g), AHxn = ? Given the…

A: The amount of heat absorbed or evolved in a reaction carried out at constant pressure is known as…

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

A:

Q: Use standard enthalpies of formation to calculate ΔH∘rxn for the following reactions a.…

A: ∆H°rxn is given by:         ∆H°rxn = ∑ np×∆H°f (Product)s - ∑ nr×∆H°f (Reactants)Where: np=Number of…

Q: Consider the reaction Naz CO3 (s)→Na2O(s) + CO2(g) with enthalpy of reaction AHrxn° = 321.5kJ/mol…

A: Enthalpy change is the amount of heat evolved or absorbed in a reaction carried out at constant…

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:

Q: Given the following thermochemical equations: 1) 2N2(g) + 202(g) → 4NO(g) AH = 2(-180.5 kJ) 2)…

A: Calculate then enthalpy of the given reaction --

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidised by air a ne following…

A: A) Use given equation to get the final answer

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: Given the following thermochemical equation: H2(g) + Br2(l) ⟶⟶ 2HBr(g)            ΔH = -72.4 kJ…

A:

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the…

A:

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

A: All feasible reactions occurring in nature yield products either by absorbing or by releasing…

Q: When 1428 J1428 J of heat energy is added to 37.8 g37.8 g of hexane, C6H14,C6H14, the temperature…

A:

Q: When 1.04E-1 g of Zn(s) combines with 5.79E1 mL of HCl(aq) in a coffee cup calorimeter, all of the…

A: Given,  Mass of Zn (s) = 1.04 x 10-1 g  Volume of HCl = 5.79 x 101 mL  Initial temperature = T1 =…

Q: Sucrose (table sugar, C12H22O11) can be oxidized to CO2 and H2O, and the enthalpy change for the…

A: In order to calculate the enthalpy change we first write down the given data: Change in enthalpy for…

Q: The thermochemical equation for the combustion of methanol is given below. CH3OH (l) + 3/2 O2(g) ->…

A: During the combustion of methane, it reacts with oxygen to form carbon dioxide and water. The…

Q: 3. Calculate the enthalpy for this reaction: 3NO2(g) + H2O(E) --> 2HNO3(aq) + NO(g) given the…

A: Enthalpy of Reaction is difference between Enthalpies of formation of Products and Reactants.

Q: Calculate the enthalpy for this reaction: 3NO2 + H20 = 2HNO3 + NO. Given the following…

A:

Q: What mass of aluminum metal would absorb 250.0 kJ when it melted at its melting point? The molar…

A:

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 peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an…

A:

Q: Determine the change in enthalpy (kJ/mol) for the following reaction. Use significant figures…

A:

Q: Consider the following reaction and associated enthalpy data for a particular temperature. 2 NH3(g)…

A: The reaction is given as, 2NH3 (g) <=> N2 (g) + 3H2 (g) The ∆fH° is given as +92 kJ/mol ∆H° is…

Q: Which system does more work: (a) ΔE = –436 J, q = 400 J; or (b) ΔE = 317 J, q = 347 J? In which…

A: The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes…

Q: 1. A student is determining the enthalpy of solution for ammonium nitrate by adding ammonium nitrate…

A: A calorimeter is used to find the amount of heat involved in a chemical reaction. The knowlede of…

Q: A series of hypothetical thermochemical reactions with their corresponding enthalpies are given…

A: Given,

Q: Ammonia reacts with oxygen to form nitrogen dioxide and steam. Calculate the enthalpyof the reaction…

A:

Q: Given the following reactions, use Hess’s law to determine the overall enthalpy change for the…

A: The given reactions are: N2(g)+3H2(g)→2NH3(g)                  ∆H=-92 kJ                ......…

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

A: Given equation is C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O(l) ΔH = -2220 kJ/mol  Let this be equation…

Q: A scientist measures the standard enthalpy change for the following reaction to be - 770.6 kJ:…

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

Q: 4. Determine the standard enthalpy of formation for butane, 4 C(s, gr) + 5 H2(g) C4H10(g) using the…

A: