Which of the following would not be considered spontaneous? Select one: O a. cooling a cup of coffee at room temperature ice melting at room temperature compression of gas to fill a tire O b. O c. O d. water flowing downhill

Q: At constant pressure, the following reaction is exothermic. 3H2(g) + N2(g) + NH3(g) Reaction (as…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: if the process is never spontaneous

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Q: If a chemical reaction has a negative AH and a positive AS, then a. it will be spontaneous at low…

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Q: When is the reaction of formation of ozone from oxygen spontaneous?  (At 1 atm pressure. We are not…

A: The given reaction is,  3 O2 (g)     →     2 O3 (g)  The delta H of this reaction is 427 kJ/mol.

Q: Which process is spontaneous at 298 K? H2O(g, 1 atm) a. H20(1) – b. H20(1) c. H20(1) - H,O(g, 0.10…

A: To find: The process which is spontaneous at 298K

Q: For the reaction 2 C4H10 (g) + 13 O2 (g) → 8 CO2 (g) + 10 H2O (g) AH° is-125 kJ/mol and AS is +253…

A: The change in Gibbs free energy for a reaction depends upon the change in enthalpy and the change in…

Q: Which of the following are spontaneous processes? 1. Ice melting at 1atm and 298 K (assume only ice…

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Q: Question 32 Rank these substances with respect to entropy from highest to lowest. O2 Solid O2 Liquid…

A: As we know entropy is a measure of randomness or disorder.  More is the randomness present in the…

Q: Choose spontaneos or non spontaneous reactions/process ✓ A waterfall runs uphill ✓ Water freezes…

A: In thermodynamics, a spontaneous process is one that occurs naturally under certain conditions. It…

Q: How does the process described in the previous item relate to the system shown?

A: The expansion of gases is a spontaneous process whereas reverse process is a nonspontaneous process.…

Q: 11. Which is true for this process? solid gas D add heat AS (+) A. It is spontaneous at all…

A: For reaction to be spontaneous we need to check ∆G is negative or positive.If it comes out to be…

Q: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is…

A: The relationship between ∆G , ∆H , ∆S and temperature is given by ∆G = ∆H - T∆S If ∆G = 0, reaction…

Q: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is…

A: The relationship between ∆G , ∆H , ∆S and temperature is given by  ∆G = ∆H - T∆S  If ∆G = 0,…

Q: Which has more entropy A. 2NO (g) + 02(g)  b. 2NO2(g)

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: 4. Select all that is considered spontaneous a. Cleaning your room b. A piece of bread molding after…

A: A spontaneous process is a process that occurs without the need for an external influence and…

Q: When a molecule moves across the membrane from a concentration of 10-4 M to 10-2 M … Group of…

A: Given: A molecule moves across the membrane from a concentration of 10-4 M to 10-2 M.

Q: 4. Select all that is considered spontaneous a. Cleaning your room b. A piece of bread molding after…

A: A spontaneous process is a process that occurs without the need for an external influence and…

Q: An inorganic chemist prepared a new compound in their lab that has a very low boiling point: -45.ºC.…

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Q: 2. For a particular chemical reaction AH = 5.5 kJ and AS = -25 J/K Under what temperature condition…

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Q: Explain how the value of ∆H for a reaction changes upon:a. multiplying the reaction by a factorb.…

A: ∆H of any reaction is defined as the amount of energy released or absorbed in any reaction.

Q: 8- A chemical reaction has a negative enthalpy and negative entropy. Which of the following terms…

A: We know the relation ∆G = ∆H - T∆S ∆G = Change in Gibb's Free Energy ∆H = Change in Enthalpy T =…

Q: O A. Nonspontaneous at high temperatures and spontaneous at low tempera B. Nonspontaneous at low…

A: ∆G = ∆H-T∆S For spontaneous reaction ∆G  < 0 For non spontaneous reaction ∆G  > 0

Q: Calculate AG at 600. K for H₂O(g) + 1/2 O2(g) = H₂O2(g) using the following data: AG° = H2(g) +…

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Q: Determine whether each process is spontaneous or not. 1. Water molecules fprm from hydrogen amd…

A: No it is not spontaneous.

Q: Which of the following substances is likely to have a larger molar entropy and thus be more…

A: Entropy of any substance is directly proportional to the randomness in the movement of the…

Q: Calculate the entropy, S, when a. W = 18.6 b. W = 50.63 c. W = 14.7 d. W = 2.90

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Q: At temperatures above 0°C at 1 atm pressure, what is the sign of the change in free energy for the…

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Q: To do: Identify which of the following processes will be spontaneous or non- spontaneous. 1.…

A: A spontaneous reaction is a reaction in which the formation of products occur in the same conditions…

Q: Which equation is incorrect about the entropy of a substance? A. S gas = 0 B. S liquid > 0 C. S…

A: Since we know that Entropy means the degree of randomness of a substance. We also know that Ssolid…

Q: The following reaction takes place at 120°C: H 2O( l) →H 2O( g)     Δ H = 44.0 kJ/mol   Δ S = 0.119…

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Q: A reaction with a AH and a AS will never be spontaneous. O positive, negative O positive, positive…

A: A reaction with a ... ∆H and a ... ∆S will never be spontaneous.A spontaneous reaction is the one…

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: At what temperatures will the following processes be spontaneous? (Enter NONE if the process is…

A: If ΔH is negative and ΔS is positive, the reaction is spontaneous at all temperatures because change…

Q: Use the appropriate symbol to represent a non-spontaneous process (>, <, =)  ∆G ________________ 0…

A: ∆G represents change in Gibbs free energy.∆E represents change in Internal energy .K represents…