Given the following Delta H° values,H2(g) + (1/2)O2(g)==> H2O(l) [Delta H°f=-285.8kJ/mol]H2O2(l) ==> H2(g) + O2(g) [Delta H°rxn=187.6 kJ/mol]calculate Delta H°rxn for the reaction H2O2(l) ==> H2O(l) + (1/2)O2(g).

Q: Calculate ΔHf for HCN(g) at 25°C, given the following related reaction at 25°C,  2 NH3(g) + 3 O2(g)…

A: given, 2 NH3(g) + 3 O2(g) + 2 CH4(g) → 2 HCN(g) + 6 H2O(g); ΔHrxn = -870.8 kJ ΔHf = -80.3 kJ/mol for…

Q: For the reaction: CS2(g) + 2 H2S(g) CH4(g) + 4S(s) AH = -175 kJ and AS = - 495J/K a. At what…

A: For a reaction to occur spontaneously, delta G should be less than 0

Q: When 13.8 ml of 0.870 M lead(II) nitrate reacts with 90.0 ml of 0.777 M sodium chloride, 0.579 kJ of…

A: Using mole-mole analysis and thermochemistry concepts we can solve this question.

Q: Given the following reactions and their molar enthalpies: 2H2(g) + O2(g) ---> 2H20(1) AH = -483.6 kJ…

A: Since on multiplying 1.5 on reaction 1 and multiplying reaction 2 by 0.5 we will get the reactions…

Q: When 13.8 mL of 0.870 M lead(I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: Number of moles = Molarity x Volume (L)

Q: Calculate ΔH° for the combustion of methane. CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H2O (g) Given the…

A: We have to calculate the ∆H° for Reaction.

Q: 25°C, the enthalphy of formation of gaseous nitric acid is -134 KiloJoules per mole. Calculate the…

A: For the given reaction, Enthalpy of formation of nitric acid = -134 KJ/mol Temperature = 25°C = 298K…

Q: Elemental iron is used in heat packs and the reaction can be represented as: 4 Fe(s) +3 O2(g) → 2…

A: When enthalpy is negative that means reaction is exothermic reaction

Q: 8) For the reaction at 298 K, 2NO2(g) --> N2O4(g) The values of ΔH=−58.03 kJ and ΔS=−176.6 J/K. What…

A:

Q: 12. Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

A: The value of ∆H depends on Stoichiometry of the chemical reaction If a chemical equation is…

Q: he Keq of a reaction is 4 x 10⁻⁷. At equilibrium, the... * reactants are favored…

A: The value of the equilibrium tells us whether the reactants are favored or the products are…

Q: Calculate ∆Gº for the reaction, 2SO2(g)+O2(g)→2SO3(g), where ∆Gfº= -300 kJ/mol for SO2(g) and -370…

A: Gibbs Free Energy for a reaction is calculated by subtracting  the Gibbs energy of formation of…

Q: Calculate the enthalpy change for the reaction  P4O6 (s)+ 2O2(g)= P₄O₁₀(s) given the following…

A: Enthalpy change refers to the amount of heat evolved or absorbed in a reaction which is at constant…

Q: 21. Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/mol If 45 g of…

A: Consider the following reaction.  CH4 + 2O2 -> 2H2O + CO2      ΔH = -890 kJ/molHere combustion of…

Q: Given: Hydrogen peroxide decomposes according to the following thermochemical reaction:…

A: According to the reaction, delta H for decomposition of H2O2 = -98.2 KJ/mol

Q: Hydrogen peroxide decomposes according to the following reaction: H2O2(l) → H2O(l) + 1/2O2(g)…

A: Hydrogen peroxide is a chemical compound with the molecular formula H2O2. It decomposes and forms…

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Thermochemical equation :-  A chemical equation in which heat changes involved during the reaction…

Q: Consider the decomposition of liquid benzene, C6H6(l), togaseous acetylene, C2H2(g):C6H6(l)…

A: a) C6H6(l) -----> 3 C2H2(g) ΔH = +630 kJ  the enthalpy change for the reverse reaction  3 C2H2(g)…

Q: Q2.) For a particular reaction, ΔH = -32 kJ and ΔS = -90 J/K . Assume that ΔH and ΔS do not vary…

A: Given : ΔH = -32 kJ  ΔS = -90 J/K 1) To calculate Temperature at which  ΔG=0  ΔG = ΔH  - TΔS ΔG=0…

Q: Consider the gas-phase reaction NO + 1/2O2 NO2 for which ΔH° = –57.05 kJ and K = 1.54 × 106 at 25°C.…

A: The reaction is given as follows: The value of ΔH° and K for above reaction are  –57.05 kJ and K =…

Q: Hydrogen peroxide (H2O2) decomposes to water and oxygen at constant pressure by the following…

A: Since from the given reaction we can say that when 2 moles (2 because in reaction coefficient of…

Q: Calculate ∆Gº for the reaction, C3H8(g)+5O2(g)→3CO2(g)+4H2O(g), where ∆Gfº=-23.5 kJ/mol for C3H8(g),…

A: Gibbs free energy is the energy which is utilised to do uswful work. It is an extensive property…

Q: A bomb calorimetry experiment is performed with xylose, CSH10O5 (S), as the combustible substance.…

A: Given data, Initial calorimeter temperature T1 = 23.29 C° Final calorimeter temperature T2 = 27.19…

Q: (a) Consider the following chemical reaction: 3Fe2O3(s) + CO(g) → 2Fe3O4(s) + CO2(g) ΔH = ? Use…

A: Given: The thermochemical data, 4Fes + 3O2g → 2Fe2O3s                      ∆H° = -1652 kJ/mol…

Q: Calculate ΔG∘rxn for the reaction BaCO3(s)→BaO(s)+CO2(g) Use the following reactions and given…

A:

Q: Calculate AH° for the combustion of methane. CH4 (g) + 2 02 (g) →CO2 (g) + 2 H2O (g) Given the…

A:

Q: From the following data at 25°C, H2(g) + Cl2(g) → 2HCI(g) AHO = -185 kJ %3D 2H2(g) + O2(g) –→…

A: Given  H2  + Cl2 (g)      ------>  2 HCl(g)                  ∆H0  = - 185 KJ  2 H2(g)  + O2(g)…

Q: The heats of the following reactions at 25°C are: Na(s) + 1/2Cl,(g) → NaCl(s) AH° = - 98230 cal…

A: The heat of the reaction is the energy that is released or absorbed when chemicals compounds are…

Q: For the following reaction at 25oC, Ho = +115 kJ and So = +125 J/K. Calculate Go for the reaction at…

A:

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A:

Q: Hemoglobin carries O₂ from the lungs to tissue cells, wherethe O₂ is released. The protein is…

A:

Q: Given the following chemical reaction occurring in a 2.00 L container: A (g) + 2 B(s) ↔ 4 C(g) + 3…

A:

Q: Calculate the enthalpy of the reaction (ΔH) for the following reaction:…

A: The enthalpy of the desired reaction can be determined using Hess’s Law. It states that the enthalpy…

Q: When 4.04 g of solid NH4NO3 dissolves in 50.0 g of water at 26.0°C in a calorimeter, the temperature…

A: Given that: Weight of NH4NO3 = 4.04 g  Heat (q) = 1.29 kj  Molar mass of NH4NO3 = 80 g/mole Enthalpy…

Q: 1. Calculate the AHO for the reaction 2S + 20F, 2(g) SO (9) + SF 2 (g) 4(g) rxn 6), using the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: CaCOg(s) -> CaO(s) +CO2 AH=177.8 kJ/mol What is the change in the internal energy for the reaction…

A:

Q: Given that H, (g) + F, (g) –→ 2 HF(g) AHixn -546.6 kJ 2 H, (g) + O,(g) 2 H, O(1) AHixn -571.6 kJ…

A:

Q: Given the following thermochemical equations, C2 (g) +5/2O2 (g) → 2CO2 (g) +H2O (l) ΔH = −1299.5kJ…

A: Given: C2H2(g)+52O2(g)→2CO2(g)+H2O(l)     ∆H=-1299.5 kJ---eqn(1)C(s)+O2(g)→CO2(g)…

Q: N2(g)2NO(g)++O2(g)O2(g)2N2O(g)→→→2NO(g),2NO2(g),2N2(g)+O2(g),ΔH=+180.7kJΔH=−113.1kJΔH=−163.2kJ use…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: (e) Calculate the enthalpy change associated with this reaction. 2C(s) + H2(g) ---> C2H2(g) AH° =…

A:

Q: 1. Given the following thermochemical data at 25°C and 1 atm pressure, 3 02(g) + 2B(s) → B2O3(s)…

A: Given, 3/2 O2 (g) + 2 B(s) →B2O3 (s)   ∆H1°= -1264kJ O3 (g) + 2B (s) →B2O3 (s) ∆H2°= -1406 kJ 2O3…

Q: the laboratory, POCl3 (phosphorus oxychloride) is used in the manufacture of phosphate esters, which…

A:

Q: Consider the following reaction carried out under constant pressure          5Cl2(g) + 2P(s) →…

A: Given data, Mass of Cl2 = 84.0g Mass of P = 20.6g 5Cl2(g)+2P(s)→2PCl5(g)           ∆H=-749.8kJ

Q: 20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:…

A:

Q: Consider the decomposition of liquid benzene, C6H61l2, togaseous acetylene, C2H21g2:C6H61l2 ¡ 3…

A: Decomposition reactions are one in which the reactants get splits into one or more than one…

Q: 17. Given the following set of reaction data, Do tad b s H2 (g)+ O2(g) –→ H,O(1) 2B(s) +3H2(g) B,H,…

A: We have given the three reaction equations,  (1) :     H2 (g) + 12 O2 (g) → H2O (l)…

Q: Consider the decomposition of liquid benzene, C6H6(l), to gaseous acetylene, C2H2(g): ⅓C6H6(l) --->…

A:

Q: For the reaction 2 A(g) → A2(g), Q = -20.00 kJ for the formation of one mole of A2(g) at constant…

A: Given data: The reaction is- 2 A(g) → A2(g), Q = -20.00 kJ  Temperature = 25.00◦C

Q: Determine the AH for the overall reaction based on the three-step thermochemical processes below:…

A: The steps of the reaction given are,