Using the given data in the table below, calculate the AH°xn for the reaction; PС3 (g) + 3 HСІ (g) — 3C12 (g) + PH3 (g) Compound AH°F (kJ/mol) PCI3 (g) HCI (g) РHз (8) -288.07 -92.30 5.40 b) Is the above reaction exothermic or endothermic?

Q: A chemist measures the enthalpy change AH during the following reaction: 4 Fe(s) + 30,(g)→2 Fe,O3(s)…

A: The balanced chemical equation given is - 4Fe(s)   +  3O2 (g)    →  2Fe2O3 (s) Enthalpy is -320 kJ…

Q: A chemist measures the enthalpy change AH during the following reaction: C,H1206(s)→3 CH 4(9) + 3…

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

Q: . Given below is the exothermic reaction involved in the production of ammonium chloride,…

A: NH3(g) + HCl (g) = NH4Cl (s) , ∆H = -176.2 kJ

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: Given: CH:(e) = 2C[graphite) + H:(g) AG° = -209 kJ A sample of gaseous C,H; (acetylene, or ethyne)…

A: The given reaction is shown below.            C2H2(g) ⇔ 2C (graphite) + H2(g) (acetylene) The Gibbs…

Q: CaO can be used as a drying agent. One such application occurs when water is added to dry concrete…

A:

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: 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: 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: Given: C2H2(g) ⇌ 2C(graphite) + H2(g) ΔG° = -209 kJ A sample of gaseous C2H2 (acetylene, or ethyne)…

A: Relative to graphite and hydrogen, acetylene(C2H2) is unstable. Its decomposition to form these…

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: Calcium carbonate decomposes to lime according to the following reaction: CaCO3(s) = CaO(s) + CO2(g)…

A: Enthalpy change of a reaction is simply is the difference in the enthalpies of products to…

Q: Given the following data: SrO(s) + CO2(g) ---> SrCO3(s) 2SrO(s) ---> 2Sr(s) + O2(g) 2SrCO3(s) --->…

A:

Q: Calculate the enthalpy for this reaction: 2C(s) + H2(g) ---> C2H2(g) AH° = ??? k.J %3D Given the…

A: Enthalpy of a reaction = Heat of combustion of products - Heat of combustion of reactants Enthalpy…

Q: The combustion of benzene occurs according to the following balanced chemical equation: 2 C6H6(1) +…

A: The combustion of benzene occurs according to the following balanced chemical equation: 2 C6H6(l)…

Q: A crucial reaction for the production of synthetic fuels is the production of H2 by the reaction of…

A:

Q: Use hess' law to calculate the change in H for the reaction:

A:

Q: The heat of combust ion of fructose, C6H12O6, i s-2812 kJ/mol. If a fresh golden delicious apple…

A: Heat of combustion of  C6H12O6 = -2812 KJ/mol Heat of Combustion of CO2(g)= -393.5 KJ/mol Heat of…

Q: 6. Given the following equations and AH• values, determine the heat of reaction (kJ) at 298 K for…

A: We have to calculate the ∆H∘ for the reaction: B2H6 (g) + 6 Cl2 → 2 BCl3 (g) + 6 HCl (g)

Q: 2) Use the standard reaction enthalpies given below to determine AH°rxn for the following reaction:…

A: Given, a) N2(g) + O2(g) ➝ 2NO(g)  ∆H°rxn = +183 kJ b) 1/2N2(g) + O2(g) ➝ NO2(g)  ∆H°rxn = +33 kJ…

Q: A sample of 1.000 g gaseous butane, C4H10, is burned in oxygen at 25°C and 1.00 atm pressure. In the…

A: We have combustion of 1g of butane , we have to calculate the molar enthalpy of formation of butane,…

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen according to the…

A:

Q: Calculate ΔH∘ΔH∘ in kilojoules for the reaction of acetylene (C2H2)(ΔH∘f=227.4kJ/mol) with O2O2 to…

A:

Q: Given the data in the table below, calculate AH° (kJ) for the reaction: 2CH3OH) + 302G) - 2C029) +…

A: Given,

Q: Calculate ∆Hrxn for the following reaction:   5C(s) + 6H2(g)⟶⟶  C5H12(l)   Use the following…

A: To find the target equation from the given equations to calculate the ∆Hrxn. All the three givens…

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 overall reaction in a commercial heat pack can be represented as 4 Fe(s) +302 (9)→ 2 Fe,O,(s) AH…

A: Heat capacity of a substance or system indicates the amount of heat required to raise the…

Q: A chemist measures the enthalpy change AH during the following reaction: 8 SO,(g) + 16 H, S(9)→3…

A: Here by applying Hess Law ,we can determine the enthalpy of reactions of different form of a…

Q: For the reaction below, determine the difference in relevant particles that alloW for determination…

A: Interpretation -  To determine the difference in the relevant particle that are allow for the…

Q: 11. Consider the generic reaction: A + 2B - C + 3D AH = +155 kJ Using this equation, determine the…

A:

Q: 5. Given the following equations and AH• values, determine the heat of reaction at 298 K for the…

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Q: When 17.2 g of cesium sulfate (Cs2SO4) is dissolved in 120 g of water in a styrofoam calorimeter of…

A:

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

A:

Q: Given the following data: AH°¡[FeO(s)l = -270 kJ/mol; AH°† [Fe2O3(s)l = -820 kJ/mol. Select the…

A: The balanced reaction taking place is given as, Given : ΔHof [FeO(s) ] = -270 KJ/mol And ΔHof…

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

A:

Q: CS,(9) + 3 Cl,(g)→CCL,(1) + S,Cl,(1) AH=-304. kJ Use this information to complete the table below.…

A: The question is based on Hess law.   it  states that net enthalpy change for the reaction remains…

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: For the reaction below, determine the difference in relevant particles that allow for determination…

A: Entropy is the measure of randomness in a reaction. It explains the everyday phenomena of…

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: 4. Use Hess's Law and the following data; CHale) + 202) CO2le) + 2H,0(g) AH = - 802 KJ + CO2(e) 2C0…

A: Hess law is the law which states that the energy change remain same whether the reaction takes place…

Q: Find AH° for 2NO – N2 +O2 , using the following processes: 2 N2 + O2 - NO, AH°= +25 kJ NO + ½ O2 -…

A:

Q: A chemist measures the enthalpy change AH during the following reaction: CH,0(s)-3CH,(9) + 3CO,(@)…

A:

Q: 7. Calculate the standard enthalpy change at 25°C for the reaction CH, (g) + 2 H₂S (g) →→ CS₂ (1) +…

A: The standard enthalpy of reaction is the change in enthalpy of a reaction under standard conditions.…

Q: Consider the reaction: 2 H,0(g) → 2H,(g) + 0,(g) If 2.0 moles of H2O(g) are converted to H2(g) and…

A: Step : 1               Calculate the change in internal energy for the reaction.

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: The low-molecular-weight hydrocarbon, octane, is'a component of gasoline (petrol) and highly…

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Q: 5.2) Calculate AE for the combustion of hydrogen chloride at 25°C. (The ideal gas constant R-8.314…

A: Given, the reaction for the combustion of HCl at 25 ∘C: 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g) We have…

Q: 17. Given the following set of reaction data, H2 (g) +02(8) 2B(s) +3H2 (g) B,H, (g) 2B(s) +O2(8) –→…

A: Heat of the given reaction is calculated by using Hess law. According to Hess's law, the total heat…

Q: The standard enthalpy of combustion of methane gas, CH4(9), is -890.1 kJ/mol at 298 K. Given the…

A: