Which reactions have a positive Δ?rxn? 2A(g)+2B(g)⟶5C(g) A(s)+B(s)⟶C(g) 2A(g)+2B(g)⟶3C(g) A(g)+B(g)⟶C(g)

Q: Find ΔH for BaCO3 (s) → BaO (s)+ CO2 (g) Given: 2 Ba (s) + O2 (g) → 2 BaO (s) ΔH = -1107.0 kJ Ba (s)…

A: Given information,      2 Ba(s) + O2(g) → 2 BaO(s)    ∆H = -1107.0 kJBa(s) + CO2(g) + 12O2(g) →…

Q: Which ONE of the following reactions has positive AS? A NH,(g) + HCl(g) → NH,C(s) В N,(g) + 3 H,(g)…

A: We have to predict option having positive ∆S.

Q: The value of ΔH°rxn for the reaction below is -126 kJ. The amount of heat that is released by the…

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

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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: 15. Given the following equations and H° values, determine the heat of reaction (kJ) at 298 K for…

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Q: Calculate ∆Gº for the reaction, 2C2H6(g)+5O2(g)→4CO(g)+6H2O(g), given ∆Gºf for C2H6(g)=-32.9 kJ/mol,…

A: 2C2H6(g)  +  5O2(g)  →  4CO(g)  +  6H2O(g) ∆Gºf for C2H6(g)=-32.9 kJ/mol, ∆Gºf for CO(g)=-137.2…

Q: What is the vaporization of H2O in kj/kg a. 2260 b. 6780 c. 2970 d.8910

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Q: . What is ΔHorxn of NH3 (ΔHof = -46 kJ/mol) + O2 = NO2 (ΔHorxn = 34) + H2O (ΔHorxn = -286)

A: Since you have posted multiple unrelated questions as per guidelines we can answer only one per…

Q: A reaction has delta H = –56.3 kJ and delta S = +132 J/K.   At 855℃ what is the value of delta G?…

A: The relation between free energy and enthalpy is shown below: ∆G =∆H -T∆S where; ∆G = change in free…

Q: What is the heat of the reaction at 573.15 K? CO(g)+2H2(g)→CH3OH    Species       Cp/R       ΔHf0…

A: In this question first heat of reaction is determined at 298 K using standard enthalpy of formation…

Q: 3: Given the following data: Sr0(s) + CO2(g) ---> SrCO3(s) AH = -234 kJ 2Sr0(s) - 2Sr(s) + O2(g) AH…

A: Given, SrO(s) + CO2Ig) →SrCO3(s)                    ∆H=-234 Kj             (i)2SrO(s) →2Sr (s)…

Q: For the reaction A2 + B2 → 2AB, Ea(fwd) = 105 kJ/mol and Ea(rev) = 77 kJ/mol. Assuming the reaction…

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Q: 39 3)Use the standard reaction enthalpies given below to determine AH°rxn for the following…

A: Given:  N2 (g) + O2  (g) -----> 2 NO (g) ....∆H°rxn = +183 kJ  1/2 N2 (g) + O2 (g) -----> NO2…

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: Given the following equation, N2O(g) + NO2(g) → 3 NO(g) ΔG°rxn = -23.0 kJ Calculate ΔG°rxn for the…

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Q: The value of AG° at 25 °C for the formation of calcium chloride from its constituent elements, Ca…

A: To calculate ∆G°f for calcium chloride use the formula    Ca(s) + Cl2(g) --------> CaCl2(s)…

Q: 3. Calculate AH for the reaction Mg (s) + N2 (g) + 30; (g) → Mg(NO,). (s) given the following data.…

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Q: 6. Calculate A,G° for the reaction below at 25.0 °C CS2(g) + 3 Cl2(g) → S2Cl2(g) + CCL4(g) given…

A: Given, Temperature = 25.0oC = 298K. ∆rHo = -231.1kJ/mol. ∆rSo = -287.6J/K.mol.

Q: It takes 90.9 kJ to raise the temperature of a 17.2 pound sample of an unknown substance from 24.4…

A: Heat required = 90.9 KJ  Mass of substance = 17.2 pound = 7801.79 g  Temperature change = final…

Q: Given the following data: SrO(s) + CO2(g) → SrCO3(s) ΔH = -234 kJ 2Sr(s) + O2(g) → 2SrO(s) ΔH =…

A: Given:

Q: Given the following data C,H4 (9) + 302(9) → 2 CO2(g) + 2H,O(1) 2C,H6 (g) +702(9) → 4 CO2(g) +…

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Q: The value of ΔH for the following reaction is +52.0 kJ/mol at 298K. What is the value of ΔU in…

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Q: CaO(s) + Cl2(g) ⟶ CaOCl2(s)        ΔH = -110.9kJ             H2O(l) + CaOCl2(s) + 2NaBr(s) ⟶…

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Q: Consider the following generic reaction: A+2B→C+3D with ΔH = 111 kJ . Determine the value of ΔH for…

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Q: Consider the reversible reaction:   2 HBr(g)               H2 (g)  +  Br2 (g)…

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Q: For the following reaction at 25°C, DH0 = -26.88 kJ and DS0 = 11.2 J/K. Calculate DG0 for the…

A: Given :  ∆H° = -26.88 kJ ∆S° = 11.2 J/K  Temperature = 25 °C = 298 K

Q: Does the entropy of the system increase, decrease, or stay the same when (a) a solid melts, (b) a…

A: Does the entropy of the system increase, decrease, or stay the same when ---> (a) a solid melts,…

Q: 1. One of the components of polluted air that causes photochemical smog is NO (nitrogen monoxide).…

A: The enthalpy of a reaction is the amount of heat released or absorbed during the course of the…

Q: A reaction has delta H = –56.3 kJ and delta S = +132 J/K.   At 855℃ what is the value of delta G?…

A: Answer is a

Q: The value of ΔH° for the reaction below is −5314 kJ.  The amount of heat that is released by the…

A: Balanced chemical equation: 2C4H10(g) + 13O2(g)  → 8CO2(g) + 10H2O(l)      ΔH° =  −5314 kJ From the…

Q: Calculate the ΔHo (in kJ) for the hypothetical reaction:  2X2D (g) + 3M2 (g) → 2X2M (l) + 2DM2 (g)…

A: We have to calculate the ∆H0 for Given reaction..

Q: what is the enthalpy change when 7.62 moles of nitrogen dioxide react?   2 NO2 (g)   →    N2O4 (g)…

A: We will use stoichiometry of the reaction to get the answer

Q: Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: PCl5(g)…

A: Given: PCl5(g) → PCl3(g) + Cl2(g) P4(s) + 6Cl2(g) → 4PCl3(g) ΔH = -2439 kJ 4PCl5(g) → P4(s) + 10Cl…

Q: Consider the following generic chemical equation whose AHrxn is unknown. Target: 2 A + 7 B 4X…

A: Since you have asked multiple questions we will solve 1st one for you. If you want the answer to…

Q: The change in energy for the reaction represented by the following diagram can be calculated by…

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Q: Given the following data 2 CIF(g)+ O2 (g) Cl, O(g) + F,0(g) 2 CIF3 (9) + 202 (g) → Cl, O(9) +…

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

Q: Find the ΔH for the reaction below, given the following reactions and subsequent ΔH values: N2(g)…

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Q: Given the following equation, H2O(g) + CO(g) → H2(g) + CO2(g) ΔG°rxn = -28.6 kJ Calculate ΔG°rxn…

A: Gibbs free energy is a measure of maximum reversible work that can be extracted from a system at…

Q: 17. For which one of the following reactions or processes is AH positive? I. water freezes II. H2(g)…

A: Water freezes is exothermic therefore ΔH negative

Q: Given the following data 2 CIF (g) + O2 (9) → Cl2 O(g) + F20(g) 2 CIF3 (g) + 202(9) → Cl2 O(g) +…

A: ClF(g) + F2(g) --> ClF3(g)

Q: A reaction has delta H = –56.3 kJ and delta S = +132 J/K.    At 25℃ what is the value of delta G?…

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Q: h. 1) CH;MgBr 2) H2O CN CHO H,O, H* k. H2O, H* CN heat HO но .CI m. CO2H" n. 1. SOCI, HO, 2) CH,ОН,…

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Q: Vhat is the standard free-energy change, AGº, for the following reaction at 44.5 °C? N2(g) + 3H2(g)…

A: For any reaction, the standard free energy change is given by  ΔG0 =  ΔH0 - TΔS0  And since the ΔH0…

Q: 1. Calculate the AG°rxn for the following reaction: NO2(g) → NO(g) + O(g) Given that: 2 03(g) → 3…

A: ∆G is change in  gibbs energy. It tells us that reaction will be sponatneous or not. If ∆G >0…

Q: Find the enthapy change for the reaction below in kJ .                   4NH3(g)  + 5O2(g) -->…

A: The given chemical reaction is 4NH3(g)  + 5O2(g) --> 4NO(g) + 6H2O(g) so we’re going to determine…

Q: Calculate AH°rxn for the following reaction and the given AH°; of the reactants and products.…

A: Given: ∆Hfo of C12H22O11 = -2200 kJ/mol ∆Hfo of C = 0 kJ/mol ∆Hfo of H2O = -240 kJ/mol

Q: "M" represents a metallic element. "X" represents a nonmetallic element. Calculate ΔH for the…

A: The given problem relates to Hess's law, which states that the amount of heat evolved or absorbed in…

Q: find g∘rxn for the reaction 2a + b ⟶ 2c from the given data. a ⟶ b △g∘ = 155 kj c ⟶ 2b △g∘ = 455 kj…

A: Given data is as follows: 2a + b → 2c        ∆Gr°=? a → b      ∆G1°=155 kJ…

Q: answer this asap! 1a) What is the heat energy when 1.5 g of S is reacted? The value of delta H for…

A: Given , Chemical Reaction : 2 S (s) + 3 O2 (g) -> 2 SO3 (g) Mass of S = 1.5 g  ∆H = -790 kJ