Substance C (g) H: (9) CH. (g) Calculate AS° for C(g) + 2 H₂(g) →→ CH4(g). S* (J/mol. K) 158.1 130.6 186.2

Q: 19) Calculate the amount of heat (in kJ) necessary to raise the temperature of 53.8 g benzene by…

A: Given,  The required amount of heat, when 53.8 g if benzene raise its temperature by 50.6°C is:  The…

Q: FezO4(s) + 4H2(g)3Fe(s) + 4H20(g) AH° = 151 kJ and AS° = 169 J/K %3D %3D At standard conditions,…

A: Ans

Q: The volume (in liters) occupied by 32.0 g of HCl at STP is A 19.7 L B 27.0 L C) 34.8 L D 21.3 L

A: Please find your solution below :

Q: To what fraction of its original volume, Vfinal/Vinitial, must a 0.50-mole sample of ideal gas be…

A: According to the question we have, The number of moles of a sample of an ideal gas is given by = n =…

Q: d)The ΔH°f of Ar(g) is   1.positive. 2.negative. 3.zero. 4.must be determined experimentally.…

A: The ΔH°f of Ar(g) is 1.positive. 2.negative. 3.zero. 4.must be determined experimentally

Q: o Calculate AG at 298 K for the reaction CS₂ (1) + 30₂ (g) based on these reactions. C(s) + O₂(g)…

A: CS2(l) + 3O2(g) -----> CO2(g) + 2SO2(g)  ∆G° = ? Based on the reaction, a) C(s) + O2(g) ---->…

Q: c) Calculate the mass of Al,Cs00 required to react in order to raise the temperature of 2. Use the…

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Q: Consider the reaction Cl,(g) + Br,(g) → 2 BrCI(g) at 25 °C. Using the information in the table,…

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Q: e AH FAY

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Q: Jj.10.   If 8.00 g of ice (at 0°C) were added to 60.0 g of water at 42.0 °C, what will the…

A: This problem is based on Thermodynamics better to say thermochemistry where we have to find the…

Q: Consider the reaction CS2 (9) + 4H2 (g) = CH, (g) + 2H2S(g) a. Calculate AH°, AS°, and AG° at 25°C…

A: The relation of Gibbs free energy changes, enthalpy change and entropy change are related as follows…

Q: 2. When 2.00 g of hydrazine (H,N2) decompose into 1.33 equivalents of NH3(8) and 1 equivalent of…

A: When 2.00 g of hydrazine N2H4 decompose into 1.33 equivalents of NH3(g) and 1 equivalent of N2(g) at…

Q: A 22.4 g piece of metal (C = 0.326 J/g oC) initially at 12 oC is placed in 35.9 g of water initially…

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Q: DHE (kJ/mol) Compound NH (g) CH.(9) HCN(g) H,O(g) -46.0 -75.0 135.1 -242.0 6) Heat of formation…

A: 2NH3(g) + 3O2(g)+ 2CH4(g) →2HCN(g) + 6 H2O∆H∘ = ∆Hf(products) -∆H(reactants)          =(2HCN +…

Q: How much heat is absorbed when 2.75 mol of C(S) reacts in the presence of excess SO2(g) to produce…

A: The given reaction is,                    5 C (s)  +  2 SO2 (g)  --->  CS2 (l)  +  4CO (g)…

Q: 72. Given: Fe2O3(s) + 3C0(g) → 2Fe(s) + 3CO2(g); AH° = -26.8 kJ FeO(s) + CO(g) → Fe(s) + CO2(g); AH°…

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Q: benzene by 19) Calculate the amount of heat (in kJ) necessary to raise the temperature of 53.8 50.6…

A: Given-> Weight of benzene = 53.8 gm Change in temperature (∆T) = 50.6°C  Specific heat capacity…

Q: Consider the reactions 1. C(graphite) + O2(g) --> CO2(g) delta H xrn = -393.5 kJ 2. H2(g) +…

A: Thermodynamics can be defined as the brach of chemistry that deals with heat evolved or absorbed…

Q: Calculate AHxn for the reaction: 2H,0(1) → 2H2(g) + O2(g) Use the following information: H,0(g) →…

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Q: Consider the reaction: N2g) + 3 F2(g)→ 2 NF3(g) AH° = -249 kl and AS° = -278 J/K at 25°C Calculate…

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Q: Consider the following reactions: + O2(g) CO2(9) AH = -393.5 kJ (graphite) AH = -285.8 kJ H2(9) + ½…

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

Q: Calculate the AGᵒrxn using the following information at 25 °C 7 N₂(g) + H₂O(1) HNO3(g) + N₂H4(1)…

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Q: Consider the following data. Mg(s) + S(s) MgS(s)   H = -598.0 kJ SO2(g)  S(s) + O2(g)   H =…

A: Hess's law states that the enthalpy change for a reaction is the sum of the enthalpy changes of the…

Q: For the reaction2 CO(g) + O2(g)  2 CO2(g)G° = -508.5 kJ and S° = -173.1 J/K at 332 K and 1 atm.This…

A: All thermodynamic quantities can be combined together to obtain a useful Gibbs energy equation…

Q: Hydrogen reacts with nitrogen to form ammonia (NH3) according to the reaction 3H2(g) + N2(g) -->…

A: Given: ∆Ho = -92.38 kJ/mol ∆So = -198.2 J/mol K Temperature (T) = 250°C

Q: Consider the reaction of NO and Cl₂ to produce NOCI. 2 NO(g) + Cl₂ (g) → 2 NOCI(g) What is AS…

A: ∆S (system) is a standard value cannot be change with temperature.

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

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Q: Consider the reaction CS2 (g) + 4H2 (g) = CH4 (9) + 2H,S(g) a. Calculate AH°,AS°, and AG° at 25°C…

A: To solve for ∆H° , ∆S° & ∆G°

Q: For a certain chemical reaction ?H°= -35.4 kJ and ?S°= -85.5 J/K. Is the reaction endo or…

A: in exothermic reaction heat is released from reaction. and in endothermic reaction heat is absorbed…

Q: The balanced equation for the reaction of ethanol and oxygen is the following. 2 C₂H5OH(g) + 6 O₂(g)…

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Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

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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: Using the given bond dissociation energies, calculate AH° xn for the following reaction: 2 H- CI(g)…

A: Given reaction: 2 H-Cl (g) + Br-Br (g) → 2 H-Br (g) + Cl-Cl (g) Given bond energies: H-Cl = 427…

Q: iven AH = +90.7 kJ/mol and AS = +221.0 J/mol K, determine AG for the reaction CH,OH(g) → CO(g) + 2…

A: Here we are required to find the Gibbs free energy for the given reaction at 250C

Q: a) Calculate AH (in kJ/mol) for the combustion of 1 mol of ethanol, C₂H5OH(I) with to form gaseous…

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Q: Calculate AS° for C(g) + 2 H2(g) → CH,(g). Substance S° (J/mol·K) С (9) 5.7 H2 (g) 130.6 CH4 (g)…

A: Entropy of a reaction is the randmoness of the system in which it takes place. Entropy is an…

Q: Consider these reactions, where M represents a generic metal.  1.     2M(s) + 6HCl(aq) yields to…

A: The reactions given are 1. 2 M (s) + 6 HCl (aq) -----> 2 MCl3 (aq) + 3 H2 (g)…

Q: 18. How much heat is required to convert 25.6 g of liquid benzene (C6H6) at 45.0 C to gaseous…

A: GivenWeight of liquid benzene = 25.6 gInitial temperature = 45.0 0C = T1Final temeperature = 100.0…

Q: Calculate the AH° for the reaction: 2C2H6 (g) + 7 O2 (g) 4CO2 (g) + 6H2O (g) Using the following…

A: Target equation is : 2C2H6(g) + 7O2(g) = 4CO2(g) + 6H2O(g)  Applying Laplace-Lavoisier law and…

Q: Determine AS° for 2 03(g) → 3 O₂(g). Substance S° (J/mol.K) 03 (9) 239 205 O2 (g)

A: Given: So(O3g)=239 J/mol·KSo(O2g)=205 J/mol·K

Q: Calculate ASsurr for the following reaction at 25 °C: N2(g) 2 N(g) AH°† (kJ/mol) S° (J/mol ·K) N2(g)…

A: The reaction given is, => N2 (g) ⇔ 2 N (g)

Q: The gas butane, C4H10(g), can be used in welding. When butane is burned in oxygen, the reaction is:…

A: Chemical equation :

Q: Determine ASm for H2(g) + I,(g) = 2HI(g) given the following informatic Substance S° (J/mol · K)…

A: Introduction: We have to calculate entropy. Given: