At constant pressure and 25°C, what is ΔrH° for the following reaction 2C2H6(g) + 7O2(g) → 4CO2(g) + H2O(l) if the complete consumption of 14.5 g of C2H6 liberates 752.3 kJ of heat energy?

Q: Determine the entropy change for the combustion of liquid ethanol, C2H5OH, under standard state…

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Q: Consider the reaction CH4(g) + 2O2(g)CO2(g) + 2H2O(g) for which H° = -802.3 kJ and S° = -5.200 J/K…

A: (1) The given reaction is: CH4(g)+2O2(g)→CO2(g)+2H2O(g) ΔHo = -802.3 kJ/mol ΔSo = -5.200 J/K.mol at…

Q: A reactions has ΔH°298 = 100 kJ/mol and ΔS°298 = 250 J/mol·K. Is the reaction spontaneous at room…

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Q: 14. At what temperatures will a reaction be spontaneous if ΔrH° = +62.4 kJ and ΔrS° = +301 J/K?

A: For, the reaction to be spontaneous, the free energy is negative. The standard thermodynamic data at…

Q: At what temperatures will a reaction be spontaneous if ΔrH° = +62.4 kJ and ΔrS° = +301 J/K?

A: The given values are: ∆rH°=+62.4 kJ=62400 J ∆rS° =+301 J K-1 For a reaction, the relation between…

Q: Calculate the standard free energy for the combustion of 1 mole of ethylene, C₂H₄(g), in the gas…

A: The reaction for the combustion of ethylene in gas phase – C2H4g +3O2 g →2CO2g +2H2Og

Q: Given ΔHrxn∘= −135 kJ, ΔS∘rxn= −263 J/K, & T= 299 K, will the reaction be spontaneous?

A: Given: ΔHrxn∘= −135 kJ ΔS∘rxn= −263 J/K T= 299 K To find: Whether the reaction is spontaneous

Q: Does someone know the standard entropy values in J/K for H2(g), F2(g) and HF(g)?

A: The standard entropy values of hydrogen and fluorine gases are 130.6 J/Kmol and 202.8 J/Kmol…

Q: 9. A chemical reaction under standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

A: B) The reaction is entropy driven.

Q: A process increases the entropy of the system by 128 J/mol K and absorbs 54 kJ/mol of heat from the…

A: Given: Change in entropy (∆S) = 128 J/mol•K Absorbed heat=54 kJ/mol =54×103 J/mol    To determine…

Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

A: The given reaction is, 6CO2(g) + 6H2O(l) → C6H12O6 + 6O2(g) Given that: H° = 2.801×103 kJ  S° =…

Q: The following reaction for the formation of glucose from carbon dioxide and water:…

A: The given reaction is,

Q: Use the data given here to calculate the values of AGixn at 25 °C for the Compound AG; (kJ/mol)…

A: The reaction taking place is given as, => A + B ----> C

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: What is the change in entropy when one mole of calcite (CaCO3) decomposes at 298.2 K to CaO(s) and…

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Q: hat is AG for the reaction ATP + H2O + ADP + P¡ in which the concentrations are ATP = x2 M, ADP = x…

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Q: Consider the reaction 6CO2(g) + 6H2O(l)C6H12O6 + 6O2(g) for which H° = 2.801×103 kJ and S° =…

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Q: What is the value of the equilibrium constant at 20°C for a reaction that has a standard free-…

A: The relationship between the ΔG0 and equilibrium constant is given by  RTln(K) = nFE0cell = -ΔG0…

Q: Given the balanced reaction A + 3B = 2C, calculate the entropy change of the universe if: T = 25…

A: Given, A + 3B = 2C Temperature (T) = 25°C = (25 + 273.15) K = 298.15 K A and B are pure gases.…

Q: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

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Q: What thermodynamic quantity is used to determine whether a chemical reaction will proceed…

A: In the thermodynamic system we can determine which reaction is spontaneously or which reaction is…

Q: Using the values given for ΔH∘ and ΔS∘, calculate ΔG∘ for each of the following reactions at 298 K.…

A: Step 1: (A) For the given reaction: The value of ΔH⁰ =−844 kJ, ΔS⁰= −165 J/K, while temperature is…

Q: Consider the reaction N2(g) + 2H2O(1)–→2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

A: The given reaction is : N2(g)  +  2H2O(l)  →  2NO(g)  +  2H2(g)For the above reaction :∆H°=752.2 kJ…

Q: calculate the free energy change (in kJ) of a reaction at 466.4K that has an entropy change of…

A: Given,    ΔS = 692.2 J/K   = 0.6922 kJ/K   ΔH = - 4.24 kJ    T = 466.4 K Free energy change ( ΔG )…

Q: The equilibrium constant for a chemical reaction is Kc = 902 at 25°C. What is the standard free…

A: We know that, the standard free energy change of the reaction is related to the equilibrium constant…

Q: 2H2S(g) + 3O2(g)2H2O(l) + 2SO2(g) for which H° = -1.124×103 kJ and S° = -390.7 J/K at 298.15 K.…

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Q: What is the standard change in free energy (in kJ) at 127°C for the reaction below, given ∆H° = -312…

A: given data are- ∆H° = -312 kJ  ∆S° = +66.7 J/K temperature = T = 127oC = 127 + 273 = 400 K free…

Q: From the values of ΔH and ΔS, predict which of the following reactions would be spontaneous at 25°C:…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: What is the difference in entropy between 25 g of N2 at standard conditions and 25 g of N2 at 400 °C…

A: The measure of disorderness in a thermodynamic system is called entropy. The entropy change is given…

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

A: The significance of the change in Gibbs free energy (∆G)for a reaction: (i) If ∆G for a reaction…

Q: Consider a process in which the entropy of a system increases by 125 J K−1 and the entropy of the…

A: Entropy change of the universe is the summation of entropy change of the system and entropy change…

Q: What should be the sign of EMF for the reaction to be considered spontaneous? Why?

A: The Gibbs free energy for a spontaneous reaction has a negative sign. ∆G = -ve for spontaneous…

Q: Calculate ∆G° for a reaction for which ∆H° = 24.6 kJ and ∆S° = 132 J/K at 298 K. Is the reaction…

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Q: Consider the reaction 2H2S(g) + 3O2(g)2H2O(l) + 2SO2(g) for which H° = -1.124×103 kJ and S° =…

A: Answer:- This question is answered by using the simple concept of calculation of entropy of universe…

Q: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

A: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

Q: Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° =…

A: Given reaction is : Ca(OH)2(aq) + 2 HCl(aq)→CaCl2(s) + 2 H2O(l)  H° = -30.20 kJ   S° = 205.9 J/K…

Q: 4. The entropy change for the process H2O(s) → H2O(1) is 22.1 J/K and requires that that…

A: Given:  ∆Ssystem = 22.1 J/K  qsystem = -qsurrounding = 6.0 KJ = 6000 J  Temperature (T) = 10°C = 283…

Q: At what temperatures will the following processes be spontaneous?    ΔH= -18 kJ and ΔS= 65 J/K

A: Given: the value of enthalpy change (∆H) = -18 KJ The value of entropy change (∆S) = 65 J/K For a…

Q: What will be the enthalpy of reaction in KJ if the entropy (ΔS) is 519 J/K at 73oC?

A: Given  Change in Entropy ( ∆S ) = 519 Joule/K  Temperature ( T )  = 73℃…

Q: 9) For which set of values of AH and AS• will a reaction be non-spontaneous at 25°C? a) AH• = -10…

A: Multiple question

Q: For a given reaction, dH = 32 kJ/mol and dS = 117 J/mol. At approximately what temperature would…

A: The spontaneity of the reaction can be determined by the change in Gibbs free energy. The relation…

Q: Calculate the standard free energy change, AG°, for the following reactions at 25 °C: 14. 2 HC1(g) +…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: Calculate the standard molar entropy change for the conversion of nitrogen monoxide to nitrogen…

A: 2 NO + O2 ==> 2NO2

Q: For a given reaction, ΔH∘∘= +35.5 kJ/mol and ΔS∘∘= +83.6 J/(K∙∙ mol). In what temperature range is…

A: From thermodyanamic relations, we have ΔGo = ΔHo - TΔSo      ------(1) For a reaction to be…

Q: For the reaction CO (g) + H,0 «) →C 208) ΔΗ. a) + H. 2(8) · calculate the following reaction's…

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Q: 1. From the values of AH and AS, predict which of the following reactions would be spontaneous at…

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