Which of the following is NOT true for ΔGrxn? A) If ΔG°rxn > 0, the reaction is spontaneous in the forward direction. B) If Q = 1, then ΔGrxn = ΔG°rxn. C) ΔG°rxn = K D) If ΔG°rxn > 0, the reaction is spontaneous in the reverse direction. E) Under equilibrium conditions, ΔGrxn = 0.

Q: Calculate AG°nxn: AG°rxn= kJ Part 3 Which phrase best describes this reaction under standard…

A: The standard enthalpy change and the entropy change of the reaction are given by: ∆H° = ∑∆H°f…

Q: 1.)     Consider the endothermic reaction 4HCl (aq) + MnO2 (s) Cl2 (g) + 2 H2O (l) + MnCl2 (aq),…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Which of the following reactions is/are spontaneous? a) Separation of N2 and O2 molecules in air…

A: Since you have posted multiple sub-parts, the answer for first three parts are given below. Kindly…

Q: about the Gibbs Free energy? Select one: a. It is positive for spontaneous reactions b. It has the…

A: 1) Gibbs energy is parameter to determine Spontaneity of process. So, correct statement is It the…

Q: Identify whether each process is spontaneous or non-spontaneous. 1. A spoon dipped in boiling water…

A: A process which take place by itself or has a tendency to take place is called spontaneous process.…

Q: Which of the following changes will always be true for a spontaneous reaction?  +ΔG  –ΔG  +ΔS…

A: The spontaneous reaction means the reaction which occur without intervenation at given set of…

Q: Na (s) + 20 (g)-2NO; (e) AS = -121.77 J/K.mol; AH° = 66.36 kJ/mol Is the reaction shown above…

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Q: a) image attached b) Calculate ΔG∘ at 296 ∘C c) tell whether the reaction has an equilibrium…

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Q: AH = -484. kJ AS = -1394. 2H, (g) + 0, (g) –→ 2H,0(g) AG = kJ Which is spontaneous? O this reaction…

A: Chemical equilibrium is branch of chemistry in which we deal with the speed at which rate of…

Q: Which of the following conditions describe a reaction that is spontaneous at "low" temperature and…

A: OPtion D (ans)From the thermodyamic equation we know that ∆G=∆H-T∆SWhere ,∆G = Free energy change∆G…

Q: Refer to Appendix B in your textbook entitled Standard Thermodynamic Values for Selected Substances…

A: Given: 2SO2(g) + O2(g) -----> 2SO3(g) From standard Table:  ∆f H°(SO2(g))     = -296.8 kJ/mol ∆f…

Q: For the below endothermic chemical reaction, ASsys is [ Select ] and ASsurr is [ Select ] * meaning…

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Q: Consider the following thermochemical equation: H2O2(1) H2O(1) + %02(g) AH= -98.2 kJ When is this…

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Q: Which of the following is a spontaneous process at atmospheric pressure? A. Water freezing at room…

A: Spontaneity of a process is define by the Gibbs free energy of reaction.

Q: Under certain conditions, nitrogen gas and oxygen gas react to form the toxic brown gas nitrogen…

A: The standard Gibbs free energy, △Go is given as : If the value of △Go is positive or greater than…

Q: Calculate the free energy change for the following reaction at 25°C. Is the reaction spontaneous at…

A: Given: ΔHrxn = −1269.8 kJ ΔSrxn=−364.6 J/K T = 25°C = 298 K

Q: Use the following information for the following three questions. AH --524 kJ/mol AS- -250 J/K-mol D…

A: Given,  ∆H° =  -524 kJ/mol = 524000 J/mol ∆S° = -250 J/k.mol

Q: At what temperatures is the following reaction spontaneous: HCI (g) + NH3 (g) → NHẠCI (s) + heat…

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Q: ) Are the following processes spontaneous or nonspontaneous? What is the sign on AG? a. Water…

A: The spontaneous reaction occurs without any external conditions whereas the nonspontaneous reaction…

Q: 5. Which of the following are factors that determine whether a reaction is spontaneous or…

A: Any process is called spontaneous if there is not any output force is applied during the process or…

Q: Vhich of the following statements is TRUE regarding the spontaneity of the exothermic reaction isted…

A: Q. Which of the following statements is True regarding the spontaneity of the exothermic reaction…

Q: Which of the following processes are spontaneous?(a) Earth moves around the Sun. (b) A boulder rolls…

A: Non spontaneous process sun and the earth are attracted to each other due to the gravitational…

Q: Which two of the following are spontaneous processes? (Circle only two): a) rusting of an iron nail…

A: A reaction which occurs without the input of energy is called a spontaneous reaction.

Q: 1. A. For the following reaction predict the sign of H2(g) → 2H(g) negative negative negative AHrxn…

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Q: For a reaction for which ∆H = -142 kJ/mol and ∆S = -178 J/mol･K, which of the following statements…

A: Applying spontaneity criteria for ∆G -ve.

Q: Calculate the free energy change for this reaction at 25 °C. Determine if the reaction is…

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Q: Identify whether each process is spontaneous or nonspontaneous. 1.Silverwares tarnish when exposed…

A: A spontaneous process is one that takes place without an input of energy from an external source. A…

Q: AH = -1237. kJ J AS = -3201. K - 6C (s) + 6H, (g) + 30,(g) → C,H120, (s) AG = | kJ Which is…

A: Given: ∆H=-1237 kJ∆S=-3201 J/K     =-3.201 kJ/KTemperature=125oC                   =(125+273) K…

Q: Which of the following is true about entropy? (select all that apply) 1) Is a measure of the…

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Q: For the reaction at 298 K, the values of H and S are 58.03 kJ and 176.6 J/K, respectively. What is…

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Q: A certain reaction has ΔH∘ = + 35.8 kJ and ΔS∘ = 85.5 J/K. 1. exothermic or endothermic? 2. Does…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: CaO (s) + CO2 (g) → CaCO3 (s) At what temperature does the reaction become spontaneous?

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Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: Predict whether each process is spontaneous as described, spontaneous in the reverse direction, or…

A: A reaction is spontaneous if ∆S is positive. Entropy (S) is the measure of degree of randomness.…

Q: 4.) Determine if each of the following is a spontaneous process, a nonspontaneous process, or an…

A: The answers are given below

Q: waterand For the decomposition of hydrogen peroxide to H202(9) oxygen, → H20(g) + %02(g) AH = -106…

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Q: Which substance has the higher entropy? a. a sample of pure silicon (to be used in a computer chip)…

A: answer

Q: An exothermic reaction produces two moles of gas from one mole of solid reactant. Will the reaction…

A: Since you have asked a question with multiple questions, we are solving first question for you. For…

Q: (a) Is the reaction spontaneous at 25°C? (b) The solid decomposed to NO2 and O2 at 25°C. Is the…

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Q: bove what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) - CO2(g) +…

A: The question is based on the concept of chemical thermodynamics. we have to identify the temperature…

Q: For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very…

A: ∆H°=-46.7KJ ∆S°=-123.8J/K ∆H°-T∆S°=0

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

A: In this question, first we will see which substance have greater standard entropy value. You can see…

Q: Which best describes the entropy change for the following process? CO2(g) + H2(g) CO(s) + H2O(g)

A: Question 1 The number of gaseous compounds decreased in the product. So that randomness decrease…

Q: What is the free energy change for the process shown here under the specified conditions? T= 25 °C,…

A: Calculation of QP: QP=PN2×PH23PNH32=0.870×0.250312.92=0.000327

Q: For a particular reaction, AH = 20.1 kJ/mol and AS" = 45.9 J/(mol-K). Assuming these values change…

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

Q: the decomposition of hydrogen peroxide to water and oxygen,         H2O2(g) ⟶⟶ H2O(g) + O2(g) ΔΔH°…

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Q: Which of the following reactions are/is spontaneous? a) The melting of ice cubes at -5°C and 1 atm…

A: a. Melting of ice is non spontaneous at -5°C and 1 atm because it melts at 0°C and 1 atm. Below this…

Q: ∆Gº for the reaction, H2(g)+Br2(g)⇄2HBr(g), is -33.3 kJ. Which statement below is true?   To make…

A: Given that : For the reaction, H2(g)+Br2(g)⇄2HBr(g), ∆Gº = -33.3 kJ ∆Gº is Gibbs free energy change.

Q: What is the sign of delta H and delta S for the reaction X(g) + Y(g) = XY(g) and state under what…

A: The above reaction is          X (g) + Y (g) → XY (g) Breaking of bonds requires absorption of…

Q: C,H,OH(1) ħas a higher entropy value than C,H,OH(g). A) True B False Question 8 Which of the…

A: Entropy is a measure of randomness. Since solids are highly ordered and gases are highly disordered.…