Which of the following is correct? A. A process that leads to a negative ΔSuniverse is spontaneous B. A process that leads to a positive ΔSsystem is spontaneous C. A process that leads to a negative ΔGuniverse is spontaneous D. A process that leads to a positive ΔGsystem is spontaneous

Q: 2Al(s) + 3C12(g) -> 2AICI3(s) The above reaction is not spontaneous under standard conditions, but…

A: Answer

Q: 2 AgNO3 (s)  +  SO2 (g)      →     Ag2S (s)  +  2 NO2 (g)  +  2 O2 (g) Is the reaction spontaneous…

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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: Which of the following is spontaneous at SATP?   NaCl(aq)→NaCl(s)   wood changing into paper…

A: Chemical or biological reactions that take place without the influence of external factors are known…

Q: A reaction is nonspontaneous at room temperature but is spontaneous at -40oC. What can you say about…

A: To determine the signs and relative magnitudes of ∆H, ∆S, and -T∆S.

Q: Which one of the following is always positive when a spontaneous process occurs? * AH(sys +sur)…

A: The second law of thermodynamics gves the insight of the direction of any spontaneous process.

Q: 41. Which of the following is TRUE for a non-spontaneous process? AH = TAS AH TAS

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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: Which of the following is a spontaneous process? A. A ball rolls up a hill B. A fruit turns yellow…

A: Given processes, A. A ball rolls up a hill B. A fruit turns yellow as it ripens C. Ice is formed at…

Q: Calculate ΔG for the following reaction at 30°C. Will the reaction occur (be spontaneous)? How do…

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Q: A flask containing helium gas is released into a closed room.  Which of the following ideas…

A: For the reaction to spontaneous entropy change must be positive .

Q: For each process below, determine the sign of ΔG. (positive, negative, or not enough…

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

Q: Which of these processes is spontaneous?a. the combustion of natural gasb. the extraction of iron…

A: The spontaneous process can take place without having energy from the external source. In these…

Q: 17. For the reaction: A + B → C AH°= +300 kJ/mol and AS° = +200 J/K.mol. At what temperature will…

A: Given, ∆H° = 300kJ/mol ∆S° = 200J/K.mol

Q: Solid N205 reacts with water to form liquid HNO3. Consider the reaction with all substances in their…

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Q: a. N2 (g) + 3Cl2(g) → 2NCl3(g) ΔHo = 460 kJ/ mol; ΔSo = - 275 J/ K b. N2(g) + 3F2(g) → 2NF3(g) ΔHo =…

A: Here given multiple question...

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: 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: For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol. This…

A: Given, The balanced chemical equation, C2H6 (g) → C2H4 (g) + H2 (g) ΔH°=+137 kJ = 137000 J, and ΔS°…

Q: For a reaction to be نقطة واحدة spontaneous, the sign of Gibbs Free Energy G is The sign of G has no…

A: For a reaction to be sponteneous, the sign of Gibbs free energy is always negative.

Q: 4. Which of the following is spontaneous at SATP?   water condensing   Fe(s)→Fe(l)   wheat changing…

A: Here SATP is spontaneous at room temperature.  There must be increase in randomness for greater…

Q: Which of the following statements are true about spontaneous processes? I. Spontaneous processes…

A: Spontaneous process :-  A process which takes place on its own without the need of any external…

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

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Q: Find the temperatures at which reactions with the following ΔH and ΔS values would become…

A: Given: a) ΔH= -126 kJ/mol,   ΔS = 84 J/K.mol We need to find out temperature at which reaction is…

Q: Consider what happens when a sample of the explosiveTNT is detonated under atmospheric pressure. (a)…

A: When a sample of the explosive TNT is detonated under atmospheric pressure it releases a high amount…

Q: For the reaction C6H6 (l) + 3 H2 (g)  -->  C6H12 (l)        ΔHo = –206.7 kJ/mol What statement is…

A: We know that   ΔGo =  ΔHo - T ΔSo and for a reaction to be spontaneous  ΔGo should be negative.

Q: Deposits of elemental sulfur are often seen near active volcanoes. Their presence may be due to the…

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Q: نقطة واحدة Mixing of two or more gases is a spontaneous process O non-spontaneous process none of…

A: *.When more than one gas mix together , then completely mix together and hence a spontaneous…

Q: One of the following processes is spontaneous at 298 K Which one? 1. H2O(l)-H2O(g, 1 atm) 2.…

A: One of the following processes that is spontaneous at 298 K is to be determined.

Q: Which of the following reactions will NOT be spontaneous at any temperature?          (A) 2SO3(g)…

A: If Delta G is negative then reaction is spontaneous and if positive then reaction will never be…

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

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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: Which of the following statements is false? A. The change in free energy is less than zero for a…

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Q: What must the sign of ∆G be for any spontaneous process

A: Dear student I have given answer to your question in the image format.

Q: Which of the following reactions are spontaneous at 298 K? AH = -200 kJ/mol, AS= -1.0 kJ/(mol*K) AH…

A: Recall the following expression for change in Gibbs free energy∆G               ∆G=∆H-T∆SIf for any…

Q: Consider a process which has ΔSuniv > 0 at 25°C. Which of the following statements is/are always…

A: Given that : We have to identify which of the following statements is/are always true : I) The…

Q: Which process is spontaneous at 298 K?a. H2O(l )--->H2O(g, 1 atm)b. H2O(l )--->H2O(g, 0.10…

A: To identify the spontaneous process at 298 K a. H2O(l )--->H2O(g, 1 atm)b. H2O(l )--->H2O(g,…

Q: Consider the following reaction at constant P. Use the information here to determine the value of…

A: The reaction taking place is given as, => CH4 (g) + 2 O2 (g) -----> CO2 (g) + 2 H2O (l)…

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: Consider the reaction: FeO (s) + Fe (s) + O2 (g) Fe203 (s) Given the following table of…

A: FeO(s) + Fe(s) + O2 ----> Fe2O3(s)

Q: 17. For the decomposition of hydrogen peroxide to water and oxygen, H;O2(g) H;O(g) + ½O2(g) AH° =…

A: The Gibb's free energy at constant temperature and pressure is given by the equation: ∆G=∆H-T∆S…

Q: which of the following is not spontaneous at room temperature? a) H2O (g) --> H2O (l) b) H2O(s) -->…

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Q: A reaction has values ΔS = 72.3 J K mol-1 and ΔH = 47.0 kJ mol-1. At what temperature (in °C) will…

A: Solution: We know ΔG=ΔH−TΔS if ΔG<0, process is spontaneous if ΔG>0, process is non…

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

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Q: The melting of ice is spontaneous at a. belwo 0°C O b above 0°c O c at 0°C exactly O d. at all…

A: The Gibbs free energy change, ΔG is given by: ∆G = ∆H - T∆S Here, ΔH is the enthalpy change, ΔS is…

Q: A spontaneous process at constant temperature and volume is accompanied by a decrease in the…

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Q: If AH is negative and AS is positive, the reaction is O nonspontaneous at all temperatures. O…

A: The relationship between Gibbs free energy, enthalpy, temperature, and entropy is expressed as,…

Q: Which of the following is spontaneous at SATP?

A: CaCO3(s)+178 kJ→CaO(s)+CO2(g)  B option is spontaneous reaction at STP.  In the above reaction ∆S is…

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

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