CH, (g)+20,(g)→ CO,(g)+2H,O() Table 2. Standard molar Gibbs free energy change of formation at 25 °C Organic compounds AG Inorganic compounds AG, kJ/mol kJ/mol CH. (g) -50.8 Methane Ethane H;O () H;O (g) HF (g) HCl (g) HI (g) CO (g) CO2 (g) NH3 (g) NO (g) -237.129 -31.95 +68.43 CH, (g) CH. (g) C:H2 (g) CHs (g) CH10 (g) CH14 () CH6 (/) CH;OH (/) -228.572 Ethene/Ethylene -95.30 Ethyne/Acetylene Propane -270.7 +209.97 +1.72 -24.40 -137.15 n-butane -16.56 +35.0 -394.36 n-hexane -16.48 Benzene Methanol +124.42 +86.552 -166.35

Q: Calculate the ΔH for the reaction: 4 NH3 (g) + 5 O2 (g) --> 4 NO (g) + 6 H2O (g) from the following…

A: According to Hess's law, the enthalpy change of a reaction is independent of the number of steps…

Q: Using the following reactions: H 2 (g) +  F 2 (g) --> 2 HF (g)             ∆H = –537 kJ x   C (s)…

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Q: A calorimeter contains 23.0 mL of water at 14.5 °C . When 2.20 g of X (a substance with a molar mass…

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Q: Find the ΔH for this reaction : 3H2(g) +O3(g) --> 3H2O(g) Given the two following pieces of…

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Q: Using the following reactions: 2 H 2 (g) + O 2 (g) --> 2 H 2O (g) ∆H = –484 kJ x 2…

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Q: Given the values of ΔHo for the two reactions below, find the ΔHo in kJ for the reaction:  IF5…

A: (1) IF (g) + F2 (g)→→ IF3 (g) ΔHo = -390 kJ (2) IF (g) + 2F2 (g) →→ IF5 (g) ΔHo = -745 kJ To…

Q: Use ΔHf0  listed below to calculate ΔH0rxn for  the reaction                   C     +   4 HNO3…

A: Since the ΔH0rxn for any reaction can be written in terms of ΔHf0  as  ΔH0rxn = sum of (ΔHf0  of…

Q: A 2.5 L cylindrical tank at 1 atm contains a 15.0 g mass of gaseous propyl alcohol (assume ideal gas…

A: We have to calculate entropy change of First process i.e for gaseous propyl alcohol. Given : 1 atm =…

Q: Hydrogen cyanide is a highly poisonous, volatile liquid. Determine the ΔH for the reaction that…

A: Hess's Law of Constant Heat Summation: If a reaction occurs in multiple stages or steps, the total…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: What is the significance of the change in Gibbs free energy (ΔG) for a reaction?

A: In thermodynamics free energy or Gibbs free energy is the energy that is used to express the total…

Q: Calculate ΔH for: 2NOCI(g) --> N2(g) + O2(g) + Cl2(g) Given the following reactions: ½ N2(g) + ½…

A: 2NOCI(g) --> N2(g) + O2(g) + Cl2(g) Given the following reactions: ½ N2(g) + ½ O2(8) --> NO(g)…

Q: 6) Consider H;0 going from the gas phase to liquid phase to solid phase. Describe the changes in…

A: In the vapor state, the gas phase of water, water molecules have the highest kinetic energy and this…

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

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Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

A: Given reaction: C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O (g) ∆G°RXN = -2385 kJ Temperature = 17.0 °C…

Q: Combustion of glucose (C6H₁206) is the main source of energy for animal cells: C6H₁206 (s) + 60₂(g)…

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Q: Explosive reactions often have a large negative enthalpy change and a large positive entropy change,…

A: In this reaction we get ∆G° is negative so reaction will be favourable. n is the total moles of gas…

Q: Fermentation of glucose produces ethyl alcohol and carbon dioxide; C 6H 12O 6(l) → 2 C 2H 5OH(l) + 2…

A: The fermentation of the species glucose can be decomposed into the species carbon dioxide along with…

Q: The experimental enthalpy of dissolution of ammonium chloride were determined using another…

A: Moles of NH4Cl ,n =  0.022 mol Change in temperature,∆T =  -10.3°C mass of the solution: 51.7 g…

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: Table 2. Gibbs Free Energies of formation (kJ), ∆G°f, for Ions in 1M Solution and Ionic Solids…

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Q: 50.0 mL of 0.500 M NaOH is placed in a coffee-cup calorimeter at 25.00 oC and 25.0 mL of 0.500 M HCl…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: Determine ΔH for Reaction 4 from these data: Reaction 4: N2H4 (l) + 2H2O2 (l) → N2 (g) + 4H2O (l) ΔH…

A: Given reaction 4,     N2H4 (l) + 2H2O2 (l) → N2 (g) + 4H2O (l) ΔH 4 = ?

Q: The combustion of ethane, C2H6, has an enthalpy change of -2857.4 KJ for the reaction as written…

A: Given: Mass of C2H6 = 15g Enthalpy of reaction = -2857.3 KJ/mol

Q: Using the tables, what is the standard Gibbs free energy change for the following reaction? 2 Cu (s)…

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Q: Consider the reaction below and its corresponding thermodynamic data to answer the following…

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Q: Find the temperature at which K = 42.0 for the reaction H₂(g) + I2(g) 2HI(g). [Given: at 25°C, for…

A: We will first calculate ∆S° and ∆H° , then calculate temperature.

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: ∆S universe=0  ∆Grxn.  negative at higher temperatures, positive at lower temperatures

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: for the given endothermic reaction, N2(g) + 2O2(g) →2NO2(g)

Q: The heat of vaporization of water at 373 K is 40.7 kJ>mol. Find q, w, ΔE, and ΔH for the…

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Q: The Bunsen burner in your labs are fueled by natural gas, which is  mostly methane, CH4. The…

A: The thermochemical equations for the combustion of methane (burning in oxygen) is: CH4(g)    +  2…

Q: for the reaction 2 Hg (l) + O2 (g) →2 HgO (s), ∆H = - 43 kcal/mol Does entropy increase or decrease…

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Q: Given the following reaction: 9C (s) + + 12H2 (g) + 3/2 O2 (g) → 3C3H7 OH (1) If the enthalpy change…

A: 1)if the change in enthalpy is negative then reaction is exothermic 2) if change in Gibbs free…

Q: Using the tables, what is the standard Gibbs free energy change for the following reaction? CH4 (g)…

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Q: Determine ΔH for the third reaction from the information given.   C3H8(g) + 3 H2O(g) ↔ 3 CO(g) + 7…

A: Calculating ∆H for the given reaction by multiplying second reaction by 3 and adding to reaction 1.

Q: Combustion of glucose (C6H12O6) is the main source of energy for animal cells: C6H12O6(s)+  6O2(g)→…

A: The given combustion reaction is - During the combustion of 1 mole of glucose, 2872 kJ energy is…

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: Spontaneity of reaction is governed by its associated enthalpy change, entropy change and absolute…

Q: Compound ΔHf (kj/mol) C2H5OH(i) -277.6 H2O(i) -285.8 H2O(g) -241.8 CO2(g) -393.5 CO(g) -110.5…

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Q: Calculate ΔH for the reactionNO(g) + O(g)---->NO2(g)given the following information:NO(g) + O3(g)…

A: The given chemical equations are represented as modified equations given below.

Q: alculate the ΔH for the reaction: CS2 (l) + 2 O2(g) CO2 (g) + 2 SO2 (g) Given: ΔHfCO2 (g) = -…

A: Summation   of standard enthalpies of forming  the reactants and subtracting that value from total…

Q: Given the following thermochemical equations, find ΔH° for the following reaction: 2NH3(g) + 2O2(g)…

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Q: TRUE OR FALSE  1. It is more convenient to use change in enthalpy, ΔH, as a criterion of…

A: 1. enthalpy and entropy can not be used alone as a spontaneity criterion. Thus, statement one is…

Q: The value of AH° for the reaction below is -336 kJ. Calculate the heat (kJ) released to the…

A: We have a reaction,  CH4 + 3Cl2   →  CHCl3 + 3HCl ,   ΔH = –336kJ we need to find heat released when…

Q: Indicate whether each statement is true or false.The entropy of the system must increase in any…

A: The disorderliness occurring in the molecules of a system is called entropy of a system. Entropy of…