What is the ΔSo of the reaction based on the following standard entropies: Al(s) + 3HCl(l) → AlCl3(s) + 3H2(g) ΔSoAlCl3 = 111 J/mol K ΔSoHCl = 57J/mol K ΔSoAl = 28 J/mol K ΔSoH2= 131 J/mol K

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Q: Indicate whether each process produces an increase or decrease in the entropy of the system

A: Given :-  (a) CO2(s) —> CO2(g) (b) CaO (s) + CO2 (g) —> CaCO3 (s)  (c) HCl (g) + NH3 (g) —>…

Q: Which of the following samples of substances is likely to have the largest entropy? 1 mol KCI(aq) 1…

A: The gas phase has highest entropy followed by liquid. Solids have lowest entropy.

Q: Describe the second law of thermodynamics and its importance in determining the spontaneity of a…

A: The second law of thermodynamics states that "the entropy of an isolated system always increases and…

Q: Calculte the standard entropy change, 4,S° for the reaction. O 26.0 JK' mol O 153.2 JK' mol -26.0…

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Q: Why do we heat the prepared solution KMnO4 to a boiling boil for 1hr

A: KMNO4 solution is heated to boiling for 1 hour.

Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

Q: Classify the possible combinations of signs for a reaction's Δ?ΔH and Δ?ΔS values by the resulting…

A: The Gibb’s free energy change is expressed as:

Q: Zn(s) + 2HC1(aq) ZnCl2 (aq) + H2 (g) + 153kJ - For this reaction at 25°C, Change in enthalpy: […

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Q: Two systems, each composed of two particles represented by circles, have 20 J of total energy. Which…

A: The system which has greater entropy has to be given and the reason has to be explained.

Q: Given the following information, calculate AHrxn for reaction 2, below. reaction 1: А + 3B AHrxn =…

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Q: For the reaction: C(s) + 2H2O(g) CO2 (g) + 2H2 (g), the H°= 155.5kJ/mol and S°= 124.9J/mol∙K.…

A: For , reaction to be spontaneous ∆G° must be negative . And , ∆G° = ∆H° -T∆S°  Here , we will…

Q: The value of ΔG° at 181.0 °C for the formation of calcium chloride from its constituent elements:…

A: Temperature, T1 = 25˚C = 298.15 K ∆G˚(T1) = -748.1 kJ/mol ∆H˚ = -795.8 kJ/mol Temperature, T2 =…

Q: 1. Classify the following processes as "Spontaneous" or "Non-spontaneous": (i) (ii) (iii) (iv) (v)…

A: Spontaneous process is the type of  random process is one that takes place alone and has no external…

Q: For the following reaction at 276°C, calculate Keq. 2 A (s)  +  B (g)  →  C (g)  +  D (s) ΔS°  =…

A: Equilibrium constant  is defined as the product of concentration of products divided by the product…

Q: Calculate the standard free-energy changes for the following reactions at 25°C and interpret the…

A: Since you have posted  multiple questions,we will solve the first question for you. To get remaining…

Q: Calculate the free-energy change for the synthesis of ammonia at 25°C given the following sets of…

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Q: SO3 + H2O -> H2SO4 Is this chemical reaction spontaneous or non- spontaneous? Fast or slow?

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: The combustion of glucose is given by the reaction CGH1206 (S) + 6O2 –6H20(1)+6CO2 (g) The heats of…

A: The heat of reaction( ΔrH ) = ∑heat of formation of products - ∑heat of formation of Reactants

Q: The value of AG° at 100.0 °C for the formation of calcium chloride from its constituent elements: Ca…

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Q: Which of the following represents an increase in entropy

A: Entropy is defined as degree of disorderness or randomness or unevenness present Entropy is highest…

Q: 2Al(s) + 3Cl2(g) → 2AlCl3(s) Find the change in internal energy for this reaction. Enter in kJ.

A: The given equation is:

Q: Calculate AHxn for the reaction: 2H,0(1) → 2H2(g) + O2(g) Use the following information: H,0(g) →…

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Q: Above what temperature does the following reaction become nonspontaneous?         2 H2S(g) + 3…

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Q: The graphs above represent the changes in concentration over time for the reactant and product of…

A: The equilibrium of a reaction is defined as the condition when the rate of forward reaction is equal…

Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) + 3C(9)…

A: The reaction given is, => 2 A (g) + B (g) ------> 3 C (g)

Q: Calculate the crossover temperature at which the reaction N2(g) + 3H2(g) > 2NH3(g) becomes…

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Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

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Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s)→2H9(1) + O2(g) What…

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Q: Activity 3: Second Law of Thermodynamics Directions. Explain the Second Law of Thermodynamics to the…

A: Second law of thermodynamics=hot things always cool if you don't it process stop simply.

Q: 2NH3(g) + 3O2(g) + 2CH4(g) → 2HCN(g) + 6H2O(g) Find the change in internal energy for this reaction.…

A: Given chemical reaction isChange in no. of moles (Δng) = sum of moles of product -the sum of moles…

Q: A reaction has the following thermochemical values at 283.15 K: ΔH = -183.3 kJ mol-1 ΔS = -160.6 J…

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Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) → 3C()…

A: ∆G° = ∆H° - T∆S°were,∆G° =standard gibb's free energy ∆H° = standard enthalpy T = temperature∆S° =…

Q: What is the entropy when a system goes from 4 microstates to 5 microstates? 3.08 x 10-24 O -3.08 x…

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Q: 2. Which of the following statements regarding entropy is FALSE? a) Sugar poured into a container of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: What is the change in internal energy (in kJ/mol) of the given reaction if 2 moles of sulfur dioxide…

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Q: In which of the following processes does the entropy of the system decrease? Select one: H2(g) +…

A: > In a chemical reaction if gaseous moles increases than entropy increase. > for gases if…

Q: 10.27) Without doing a calculation, predict whether the entropy change will be positive or negative…

A: Interpretation-  To predict whether the entropy change will be positive or negative when each of the…

Q: VII. Predict the sign of entropy. Write P if it is positive and N for negative. Write your answer on…

A: Since you have a question with multiple parts, we can solve only first three parts for you. If you…

Q: Does the entropy of the system increase or decrease for the following reactions? (1) Ba2*(aq) + SO4²…

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Q: Product Reactant Product Reactant Time Time Reaction 1 Reaction 2 raphs above represent the changes…

A: As per the graph , Reaction 1 is product favoured  and reaction 2 is reactant favoured .

Q: What is the free energy change at 25oC for the reaction below, if the standard entropies of…

A: Answer :- ∆G = -16.995 (kJ)  The free energy change (∆G) for the given reaction = -16.995 kJ.…

Q: 20) Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:…

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Q: Reaction 1 Reaction 2 The graphs above represent the changes in concentration over time for the…

A: Write the expression for standard Gibbs free energy at equilibrium. ∆G°rxn=-RT ln K where K is the…

Q: 12. Which of the following reactions would be expected to have a positive entropy change, ΔrS° > 0?…

A: Entropy is defined as the randomness or disorderness of a system. Higher the randomness, higher will…

Q: For reaction                  Na2CO3(s) + 2HC(g) -> NaCl(s) + CO2(g) -> H20(l) ΔH is -144.1 KJ.…

A: The reaction and mole difference will be Na2CO3s + 2HClg →NaCls + CO2g + H2Ol∆n = Product moles -…

Q: The value of ΔG° at 141.0°C for the formation of phosphorus trichloride from its constituent…

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Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

A: Given : CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)                ∆H = -890.0 kJ  To calculate :-  amount of…

Q: What must the reaction quotient Q be, if the free energy is -961.941 kJ at 25.0°C? 5C2H2(g) + 5…

A: We can solve this problem by using following equation ∆G = ∆G°-2.303RTlog Q Where  ∆G = free energy…

Q: n the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

A: Enthalpy change of reaction  ∆ H = - 890.0 kJ / mol Mass of methane = 1.80 g  We need to find heat…