Which equation represents the second law of thermodynamics? A. ΔS univ > 0 B. ΔS sys > 0 C. (Δ S sys + ΔS surr) = 0 D. (Δ S sys + ΔS univ) = 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: For a certain chemical reaction, AH" = +9.8 kJ and AS = +30.0 J/K. a) Is the reaction endothermic or…

A: The More the Negative value Of gibbs free energy more spontaneous  will  be reaction.

Q: 19.) Consider the following reaction, determine the temperature at which it is spontaneous? SO3 (g)…

A: We are authorised to solve only one question at a time. Please post rest of the questions…

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: Which of these reactions is expected to be spontaneous at all temperature?          (A

A: We have to tell which reactions is expected to be spontaneous at all temperature

Q: Below what temperature does the following reaction become spontaneous? FeO(s) + CO(g) → CO2(g) +…

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Q: Photochemical smog is formed through a sequence of reactions, the first of which is N2(g) + O2(g) ⟶…

A: For a reaction to be spontaneous ,    should be negative Hence  value of should be greater than ,

Q: You are studying the decomposition of CaCO3(s). CaCO:(s) → Cao(s) + CO2(g) ) At what temperature…

A: Given reaction:  Decomposition of CaCO3(s)

Q: When is a reaction never spontaneous?   Keq   ∆H>0, ∆S>0   Keq0

A: Free energy of a system is the difference between the initial-state energy and the equilibrium…

Q: 7) a) Is entropy increasing or decreasing in the following reactions? Explain CH: (g) + H20 (g) → co…

A: Given information:

Q: The standard reaction free energy AG =-910. kJ for this reaction: 6C(s) + 6 H2(g) +…

A: The given reaction is as follows: 6C(s) + 6H2(g) + 3O2(g) → C6H12O6(s)                      ∆G°=-910…

Q: Predict the sign of the entropy change for the following reactions or processes Evaporation…

A: Using concept of entropy Solid /<liquid<gas  Entropy change passively.

Q: Photosynthesis in plants converts carbon dioxide and water into glucose and oxygen. Calculate the…

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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: Use tabulated thermodynamic data to calculate the standard entropy change of each of the reactions…

A: As you have posted multiple subparts in 1 question and have not mentioned which part we have to…

Q: A) AG becomes less negative and the reaction becomes less spontaneous. B) AG becomes more negative…

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Q: What is the enthalpy change when silver chloride form from the ions in an aqueous solution? What is…

A: The question is based on the concept of chemical thermodynamics. we have to calculate enthalpy,…

Q: 15) Consider the reaction for the decomposition of carbon tetrachloride gas: CCIA(g) C(s, graphite)…

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Q: Predict the sign of the entropy change. Justify your answers.  a) 2 HCl (g) + Br2 (l) --> 2HBr…

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

Q: Match the words in the left column to the appropriate blanks in the sentences on the right. Reset H…

A: We will fill in the blanks with appropriate answers from left column

Q: SBr4 (g) → S (g) + 2 Br2 (l)         ΔGo = 77.75 kJ    ΔSo = 125.2 J/K    ΔHo = 115.4 kJ What would…

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Q: 46. Which of the following involves a decrease in entropy? A) the sublimation of solid CO2 into CO2…

A: The correct answer about entropy is given below

Q: d Silver nitrate is added to a solution of sodium chloride and a precipitate forms. spontaneous…

A: Here we have to predict whether the following given reactions are spontaneous or nonspontaneous…

Q: Which process will result in an increase in entropy: a.) 2NO2(g) ---> N2O4(g) b.) H₂O(l)---> H₂O(s)…

A: Since, Entropy is a thermodynamic quantity. It measure the randomness. If randomness is more then…

Q: Adding sidewalk deicer (calcium chloride) to water causes the temperature of the water to increase.…

A: A crystal of CaCl​​​2 is highly ordered. Strong ionic bond holds the anions and cations together in…

Q: Which of these processes are nonspontaneous? Are the nonspontaneous processes impossible?a. a bike…

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Q: A box contains a gas composed of 12 atoms each corresponding to the different stable isotopes of Tin…

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Q: 11.11 A student was asked to propose three reactions for the oxidation of carbon or a carbon…

A: For a reaction to be spontaneous: ∆G=-ve (spontaneous)∆G=+ve (non-spontaneous) For the reaction: a)…

Q: 1A. The entropy will usually increase when I. a molecule is broken into two or more smaller…

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

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: spontaneous

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Q: Consider the reaction: NH4Cl (s) → NH3 (g) + HCl (g) ArS 94.6 J K-¹mol-¹ A,H= 175.98 kJ/mol a)…

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

Q: 13. Which is TRUE about decreasing entropy? A. Spu> Sugsid> Sudd C. Suquid > Suia > S B. S< Suguit <…

A: Entropy of a substance is a measure of the randomness of the molecule present in the…

Q: A student calculated that for a given reaction, ΔS = 22 J/K and ΔH = 6,028 Joules. At which…

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Q: 4: Consider the reaction 3H2 (g) + Fe2O3 (s) ⇄ 2 Fe (s) + 3 H2O (g) Use the data on the last page to…

A: The change in enthalpy which takes place under standard conditions is known s standard enthalpy of…

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

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Q: Nitric oxide reacts with chlorine to form NOCI. The data refer to 298 K. 2NO(g) + Cl2(3) → 2NOC(g)…

A: The standard Gibb's free energy change of a reaction at 298 K can be calculated by the following…

Q: 8. The following constant pressure process occurs spontaneously when the system, initially at a…

A: Spontaneous reactions are those reactions which do not require any external force for completion.…

Q: y 20. Which process is most likely nonspontaneous at 25°C and 1 atm? (A) A rock climber repels down…

A: Almost all processes are spontaneous. Spontaneous processes are the process which occurs without the…

Q: Predict how the entropy of the substance is affected in each of the processes. N, (1, 75 K) → N,(g,…

A: Entropy: It is the thermodynamic property which measure the disorderness or randomness. Higher the…

Q: Consider the following reactions. I.     NaCl (s) ⇌ Na+ (aq) + Cl- (aq)                 ΔG  0…

A: When ∆G&lt;0, the reaction will proceed in the forward direction. That means that it is a…

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

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Q: The combination that always gives a spontaneous process is __. a) +ΔH                       +ΔS b)…

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Q: Given the following reaction and its enthalpy change, and the sign of the entropy change that you…

A: A reaction is said to be spontaneous if the change in the Gibbs free energy of the reaction comes…

Q: Which expression defines the change in free energy? a. ΔΗ + ΤAG c. ΔΗ-TAS b. ΔΗ+TAS d. ΔS-ΤΔΗ

A: We have to predict correct statement for change in free energy.

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen:What is the standard change…

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Q: Predict the conditions (high temperature, low temperature, all temperatures, or no temperatures)…

A: The sponatneity of the reaction is measured in terms of the gibbs free energy. The gibbs free energy…

Q: Consider the following reaction: CaCO 3(s) CaO (g) +CO 2(g) For this reaction, delta S = +158.9…

A: For a spontaneous reaction, deltaG should be negative. From the given delta H and delta S values,…

Q: 16. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

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Q: 19.) Consider the following reaction, determine the temperature at which it is spontaneous? SO3 (g)…

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