Calculate the standard enthalpy change for the following reaction at 25 °C. MgCl, (s) + H,O(1) MgO(s) + 2 HCI(g) AH; values can be found in this table of thermodynamic values. AHxn = kJ/mol

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔG°f values of each…

A: a) The standard state has P= 2 atm. Equilibrium constant for this reaction is calculated as…

Q: (a) What is the maximum electrical work obtainable from the reaction | 0,(g) + H,(g) = H,O(1) %3D…

A: In a reversible reaction, very less amount of heat is lost and thus such reactions are highly…

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: To determine the difference in the relevant particles that allow for determination in the sign of…

Q: For the reaction below, determine the difference in relevant particles that allow for determination…

A: Entropy is the change of degree of randomness in a system. If randomness increases, entropy…

Q: 14 For a process with AH 0 ΟΔΕ >0 O AS > 0 O Never. 20 The standard enthalpy of reaction, AHf pen,…

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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: 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: Calculate ΔG° for a reaction for which ΔH° = 24.6 kJ andΔS ° = 132 J/K at 298 K. Is the reaction…

A: Given, ΔH° = 24.6 kJ ΔS ° = 132 J/K

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: Suppose we redefine the standard state as P = 2 atm. Find the new standard ΔGf​ values of each…

A: a). HCl(g) The standard state has P= 2 atm.

Q: “Thermite” reactions have been used for welding metal parts such as railway rails and in metal…

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Q: It refers to how a circumstance can occur without the help of any external factors? a. Enthalpy O b.…

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Q: () What are the thermodynamic quantities of a system that affect the amount and sign of the internal…

A: (i) According to thermodynamic, the change in internal energy (ΔU) is, ΔU=q + w Therefore, internal…

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

A: The given reaction is,

Q: The mathematical equation that best defines the first law of thermodynamics is ΟΑΔU -ΔΗ-pAV O B. AH…

A: What is the best define the mathematical equation of first law of thermodynamics ?

Q: Calculate ΔG° for a reaction for which ΔH°= 20 kJ and ΔS° = 140 J/K at 298 K. Is the reaction…

A: Given  ΔH°= 20 kJ  1 kJ =1000 J ΔH°= 20,000 J ΔS° = 140 J/K T = 298 K  ΔG° = To be determined

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: Calculate the standard free-energy change for the formation of NO(g) from N2(g) and 02(g) at 298 K:…

A: Given:

Q: maximum amount of work

A:

Q: An ice cube at 0 C melts when placed inside a room at 22 C (295 K). Based on the concepts of…

A: We need to identify the concept of spontaneity behind melting of ice according to thermodynamics.

Q: Calculate the temperature at which the reaction changes from a spontaneous to non-spontaneous…

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Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

A: As this reaction is endothermic in nature as Del H is positive

Q: Why can endothermic reactions be spontaneous?

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Q: For the reaction CaCO3(s) → CaO(s) + CO2(g)       ΔHo = -17.8 kJ  and ΔSo = -161 J/K,  at standard…

A: Enthalpy change of a chemical reaction is used to measure the amount of heat energy released or…

Q: value for ΔrS°, in units of J K-1‑mol-1 at 25 °C?

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Q: Determine the entropy change for the combustion of gaseous propane, C3Hg, under the standard…

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Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K.Is the reaction spontaneous…

A: For a reaction is given by, ∆G=∆H - T∆S where ∆H is the heat of enthalpy, T is the temperature and…

Q: III of thermodynamics. Explain your law.

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Q: H,0, (1) decomposes to H,0 (1) and 0,(g) at constant pressure by the following reaction: 2H,02 (1) →…

A: Exothermic reactions are those reactions in which heat is released. On the decomposition of two…

Q: Calculate the standard change in Gibbs free energy, Δ?∘rxnΔ⁢Grxn∘ , for the given reaction at 25.0…

A:

Q: Given the ∆H°f, calculate the ∆H°rxn for the formation of diamond from graphite.  ∆H°f (C, graphite)…

A: The reaction is  C (graphite) -----> C (diamond) Since the ∆H°rxn = ∆H°f of products - ∆H°f  of…

Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

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Q: For a particular reaction, AH = -32 kJ and AS = -98 J/K. Assume that AH and AS do not vary with…

A: As we know that a spontaneous process is one that happens without the addition of external energy. A…

Q: What is the maximum amount of useful work that could possibly be obtained at 25 °C and 1 atm from…

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Q: Calculate ΔH for the process:                                            N2(g) + 2O2(g) ⟶…

A: According to the Hess's law, the enthalpy change of final reaction can be calculated by sum of the…

Q: For a reaction   ΔH= -4.7 kJ  and  ΔS= -69.5 J/K at 25 oC.  Determine the ΔG for this reaction

A: The question is solved using Gibbs – Helmoholtz equation.

Q: + H0 (8) (g) For the reaction CO - CO + H 2(8) 2(8) · calculate the following reaction's…

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Q: Calculate the standard change in Gibbs free energy for the combination reaction of sulfur dioxide…

A: Gibb's free energy can be calculated by a general formula-  ΔG = ΔH - TΔS

Q: 1. Calculate the standard enthalpy change when gaseous dinitrogen tetroxide (N2O4) reacts with…

A: ∆fH°(N2O4) = 9.66 KJ/mol ∆fH°(H2O) = -241.82 KJ/ mol ∆fH° ( H2) = 0 ∆fH° ( N2) = 0

Q: Automobile airbags contain solid sodium azide, NaN3, that reacts to produce nitrogen gas when…

A: In this question,  it is given that sodium azide (NaN3) reacts on heating which produces nitrogen…

Q: Suppose that a reaction has AH = -28 kJ and AS= -60 J/K. At what temperature will it change from…

A: We have to predict the temperature.

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: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the…

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Q: Consider the reaction H2O(1)→H2O(g), AH = 44.0kJ What will AH be for the reaction if it is reversed?

A: To determine the value of ∆H for reverse reaction we would use the value of ∆H for given reaction .…

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard  values of each…

A:

Q: Question attached

A: A reaction is considered as spontaneous when the Gibbs free energy of the reaction (∆Gorxn) is…

Q: 2.) Use the standard enthalpy values in Appendix 2 to calculate the standard entropy changes for the…

A: Entropy changes for the following reactions are:   ∆Sreaction° = ∑n×S°product - ∑ n×S°reactant

Q: Calculate the free energy change for the formation of one mole of ammonia from its elements under…

A: The formula that can be used in the solution is : ΔG° = ΔG°f(products) - ΔG°f(reactant)

Q: Predict the sign of ASO for the following reactions and justify your answers: CS2 (1) ----> CS2 (g)…

A: The sign of the deltaS0 has to be predicted.

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

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