5. Consider the combustion reaction of octane (C3H18, mol. wt. = 114.23 g/mol, density = 0.703 g/mL). a. Write out the balanced chemical equation for this reaction. All products are in the gas phase. ege wela ) vlaiosnein wod nia b. Calculate the standard free energy (in kJ/mol) released in this reaction. HA DA dor (oubaurn geivollot orh don c. Making the approximation that gasoline consists of 100% octane, how much energy would 1.00 gallon of gasoline release? (1 quart = 946 mL, 1 gallon = 4 quarts) %3D heHS (x0SES AHP (kJ/mol) SP (J/K mol) Octane(l) -208.4 463.7 H2O(g) -242 189 CO2(g) -393.5 214

Q: Consider the following chemical reaction:   C6H6(l) + O2(g) --------------> CO2(g) + H2O(g)…

A:

Q: N₂O(g) + 3H₂O(1) 2NH3(g) + 202(g) for which AH° = 683.1 kJ and AS° = 365.6 J/K at 298.15 K. (1)…

A: We know-

Q: 5. You have a 250. cm³ containing argon at 25.0 °C and 2.85 atm connected to a 150. cm³ flask…

A: Volume of Ar gas = 250 cm3 = 250 mL = 0.25 L, Temperature = 25oC = 298 K, Pressure = 2.85 atm. and…

Q: For the reaction NH,NO3(aq) N2O(g) + 2 H20(1) AG° = -183.4 kJ and AH° = -149.6 kJ at 338 K and 1…

A: 1- This reaction have ∆G° value is negative that means reaction is spontaneous in forward direction…

Q: reaction entropy

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Q: Given the following values for the changes in enthalpy (∆H) and entropy (∆S), which of the following…

A: According to the second law of thermodynamics, a process will be feasible if change of entropy (∆S)…

Q: Identify the following statements as True or False. V CH3OH (1) has a lesser molar entropy than…

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Q: For the reaction NH,NO3(aq) – N20(g) + 2 H2O(1) AG° = -179.1 kJ and AH° = -149.6 kJ at 295 K and 1…

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Q: C4H10 (g)+6.5 O2 (g) --> 4CO2 (g) +5H2O (g) favors spontaneous or nonspontaneous?

A: In this question, we will see this reaction is spontaneous or not.  You can see details Solution…

Q: Potassium (Z = 19) has three primary isotopes: K-39, K-40, and K-41. The nuclear mass of K-40 is…

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Q: aHPO, is 0.45 M. The K, for H,PO, is 6.2 x 10. D1.1 x 107 O 7.21 O 6.2 x 10 O 3.4 x 10

A: Solution - According to the question - Given -   = - log(6.2*10^-8) + log(0.25/0.45) =

Q: The first law of thermodynamics can be given as If two thermodynamic systems are each in thermal…

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Q: Elemental carbon usually exists in one of two forms: graphite or diamond. It is generally believed…

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Q: What is the change in entropy (positive, negative, or zero) for the system? H2O (l) --> H2O (s)

A: Entropy is the measure of randomness of the system.

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, she fills…

A: If given free energy is positive then the reaction is non spontaneous and vice versa. Using all the…

Q: Combustion of glucose (C6H₁2O6) is the main source of energy for animal cells: C6H₁2O6(s) + 60₂(g) →…

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Q: which of the following reaction leads to an increase in entropy of the system? a) NH4Cl(s) ->…

A: * Answer : Correct option is which entropy increases __ a) NH4Cl(s) -----> HCl(g) + NH3(g)   *…

Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

Q: TRUE OR FALSE Entropy of a system decreases with decrease in Temperature.

A: Entropy of a system decreases with decrease in temperature is true or false ?

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Q: 1. The value of the standard molar entropy of N₂(g) at 298K is 191.6 J/Kmole (Table 2C.7) a. If we…

A:

Q: Why does the entropy of a gas increase when it expands into a vacuum?

A: Entropy of a system is the measure of the randomness or dis-ordered ness of the system. The entropy…

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Q: Calculate the total molar entropy change (in J mol-¹ K-¹) when 1.0 mol of supercooled H₂O freezes at…

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Q: What is ΔG for HCN at its boiling point?_______kJ/mol

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

Q: Consider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A:

Q: What is the application of standard Gibbs free-energy to processes and reactions What is its…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: How many microstates are present in a system with an entropy of zero?

A: The entropy (S) and microstates(W) are related by formula : S = kB ln(W)  Here , kB = Boltzmann…

Q: Calculate the standard entropy, AS ixn, of the reaction at 25.0 °C using the table of thermodynamic…

A: The objective of the question is to determine the a) Standard entropyb) Standard Gibbs free energy…

Q: A chemicai engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: ΔG ΔH ΔS Spontaneous at all temperature - + Spontaneous at low temperature - -…

Q: Consider the following reaction: 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Determine the standard…

A: Since, Entropy is a thermodynamic quantity. It measure the randomness. Thus,

Q: At 25 ̊C, the rhombic form of sulfur is the most stable form, which undergoes a transition at 95 ̊C…

A: Temperature = 25oC = 298.15 K = T ΔH = 0.402 kJ mol-1 = 402 J mol-1 Use this relationship to find ΔS…

Q: Calculate ΔS (for the system) when the state of 4.00 mol diatomic ideal gas molecules, for which…

A: ΔS (for the system) = To be determined No of moles of gas = n= 4 moleCp,m = 72RInitial Temperature…

Q: Predict which member of each of the following pairs has the greater standard entropy at 25°C: (a)…

A: The given options are : (a). C6H6 (l) or C6H6 (g) (b). CO (g) or CO2 (g) (c). 1 mol N2O4 (g) or 2…

Q: What is the entropy of the process when 0.6831 moles of N 2 gas are compressed from 54.42 L to 28.11…

A:

Q: What is the change in entropy (positive, negative, or zero) for the system? 2CO (g) + O2 (g) -->…

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

Q: Select the substance that contains the greatest standard molar entropy in the gaseous state. O…

A: Correct option is - CH3CH2CH2CH2OH

Q: The standard enthalpies of formation, at 25.00°C, of methanol (CH4O(l)), water (H2O(l)), and carbon…

A: The standard enthalpy of formation (ΔHof) is the energy released or consumed when a mole of a…

Q: Calculate the standard molar entropy of vaporization of water at 40.0 °C, given that its standard…

A: Given , Standard molar entropy of vaporization of water at 100°C is 109 J/mol.K. We need to find…

Q: Carbon monoxide is poisonous because it binds to hemoglobin, preventing the binding of oxygen…

A: Given: The standard molar entropy of O2, CO, and CO2 is 205.14 J/K mol, 197.67 J/K mol, and 213.74…