Classify the possible combinations of signs for a reaction's AH and AS values by the resulting spontaneity. Spontaneous as written at all temperatures Spontaneous in reverse at all temperatures Spontaneous as written above a certain temperature Spontaneous as written below a certain temperature

Q: Define spontaneity of a reaction in terms of ∆G. Determine if a process is spontaneous based on…

A: The correct option is:

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

A: Answer

Q: Which combination of AH and AS NEVER has a spontaneous reaction? & tAH and +AS A -AH and -AS C -AH…

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Q: Im not sure how to do this one. The answer I put was wrong.

A: The Gibb’s free energy change is expressed as: The possible combinations of signs for △H and △S…

Q: For a given chemical reaction, the value of AH is positive and the value of AS is positive. The…

A: The answer is given below

Q: Which one of the following reactions is spontaneous at all temperatures? (hint: determine AS by…

A: Spontaneous reaction is the reaction which can occur naturally.  For these reactions, change in…

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: For a given chemical reaction, the value of AH is negative and the value of AS is negative. The…

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Q: Given that AH is negative and AS is positive for a reaction, the reaction will be O spontaneous at…

A: Given that the sign of ∆H is negative and the sign of ∆S is positive.

Q: Choose the FALSE statement. OA process for which AHsys > 0 and ASsys O is spontaneous at…

A: Spontaneous reaction is a process which under some given condition may take place by itself or by…

Q: Classify the possible combinations of signs for a reaction's AH and AS values by the resulting…

A: The reaction is spontaneous if ∆G of the reaction is negative .  The formula for ∆G is given as : ∆G…

Q: For a given chemical reaction, the value of AH is positive and the value of AS is negative. The…

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Q: If AH for a reaction is negative and AS is positive, then the reaction is (a) spontaneous at all…

A: Given : ΔH of the reaction is -ve. And ΔS of the reaction is +ve.

Q: 20. What are the signs of AH and AS for a reaction that is spontaneous at any temperature? O A) AH…

A: For a reaction to be spontaneous, the Gibbs free energy value (ΔG) for the reaction should be…

Q: the reaction is negative at all temperatures. as zero entropy since elements should have zero…

A: Entropy is degree of randomness or disorderness. As we know,  order of Entropy is Solid <…

Q: Assuming AH and AS are constant with respect to temperature, under what conditions will a chemical…

A: SOLUTION: Step 1: The Gibbs free energy can be expressed by the expression: ΔG = ΔH – T ΔS For a…

Q: For the following reaction, AH° for the reaction is -206.1 kJ/mol, while AS° is -215 JK•mol. NO (g)…

A: The reaction given in the question is given as - NO (g) + 1/2 Cl2 (g) → NOCl (g) The standard change…

Q: If AH is positive and AS is negative for a reaction, then the reaction is O nonspontaneous at low…

A: For a reaction to be spontaneous ∆G should be negative . We know that  ∆G = ∆H-T∆S

Q: A reaction has values of AH and AS which are both positive. The reaction * Is spontaneous O…

A: When ∆H and ∆S both are positive then reaction is ---

Q: Which of the following combinations of signs for AH and AS will always result in a reaction being…

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

Q: Use the observations about each chemical reaction in the table below to decide the sign (positive or…

A: Solution: Enthalpy is a thermodynamic function which is used to predict the spontaneity of a…

Q: What conclusion concerning spontaneity can be determined about a reaction if the value for ΔH is…

A: For a reaction to be spontaneous ,change in Gibbs free energy must come out to be negative. The…

Q: hows the three important thermodynamic quantities. Table 3.1 Quantity Symbol Measures Units Enthalpy…

A: Here we are required to find the standard Gibbs free energy for the given reaction

Q: For a spontaneous exothermic process, which of the following must be true

A: The given question tells that the reaction is spontaneous and exothermic

Q: Which case would result in a spontaneous reaction only at low temperatures? AH > 0 and AS O AH 0…

A: Enthaply less than zero and entropy less than zero favours spontaneous reaction at low temperatures.

Q: What can be said about an endothermic reaction with a negative entropy change? • View Available…

A: According to the thermodynamic of reaction, the change in Gibbs energy should be negative for…

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: a. What is the sign of AS'm. (Circle one.) Positive Negative b. What is the sign of AH. (Circle…

A: Entropy means disordered. As the system becomes disordered then the entropy of the system increases.…

Q: What can be said about an exothermic reaction with a negative entropy change? • View Available…

A: We know that a process will be spontaneous if ∆G is negative.  Also, ∆G = ∆H - T∆S  where, ∆G =…

Q: Which one of the following statements is false O AG7 of elements in their standard states is zero O…

A: A spontaneous  reaction always have negative Delta G for reaction.

Q: perature, at what temperature does the reaction change from nonspontaneous to spontaneous in the…

A: Temperature (T)= 55400/94.1 = 588.7K

Q: Consider a reaction that has a negative AH and a negative AS. Which of the following statements is…

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Q: Classify the possible combinations of signs for a reaction's AH and AS values by the resulting…

A: For a reaction to be spontaneous, it's free energy change (∆G) must have a negative value. Now, ∆G =…

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: Consider the figure below which shows AG" for a chemical process plotted against absolute…

A: The standard Gibbs free energy of reaction is the Gibbs free energy of a reaction calculated at the…

Q: The second law of thermodynamics states that if the change in S in the universe is greater than 0,…

A: Second Law of thermodynamics based on a parameter of chemical reaction termed as entropy Sign of…

Q: According to Le Châtelier's principle and the dependence of free energy on reactant and product…

A: which statement is true

Q: Which of the following represents a process that is spontaneous only at high temperatures? AH:…

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Q: nsider a reaction that has a negative AH and a negative AS. Which of the following atements is TRUE?…

A: Here, in this question ∆H and ∆S both are negative value.  ∆H = -ve and ∆S = -ve  And reaction is…

Q: When AH is negative and AS is positive, the reaction is: ONever spontaneous OSpontaneous at low…

A: Detail solution is given below

Q: Which of the following combinations of values for AH and AS for a given process, indicate that the…

A: The change in Gibbs free energy of a system can be expressed in terms of change in entropy and…

Q: For the reaction: 20PCI3(g) 2PCI3(1) + 02(9) AH° = 508 kJ-mol-1 and AS° = 178 J-mol-1.K-1 at 298 K.…

A: Given reaction∆H° = 508 kJ . mol-1 = 508000 J mol-1∆S° = 178 J mol-1 K-1T = 298 K2 POCl3   →   2…

Q: Which of the following is not true about a spontaneous process? A) A spontaneous process is one that…

A: A spontaneous reaction is one that is capable of occurring in a given direction without being driven…

Q: A reaction will be spontaneous at high temps if delta H is ___ and delta S is ____ o =o

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Q: 48.3 Consider the following reaction: 3N2(g) + 4H₂O(g) -> N₂O4(g) + 2N₂H4(1) a. Use the…

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Q: Which of the following represents a process that is always spontaneous? ASsys: negative ASsurr:…

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Q: Given that AH and AS for a reaction are both negative, the reaction will be O nonspontaneous at all…

A: Given that ΔH and ΔS for a reaction are both negative. Using, ΔG = ΔH - TΔS

Q: Is the reaction spontaneous at all temperatures? If not, explain. Choose one: O The reaction will be…

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Q: When AH is positive and AS is negative, the reaction is nonspontaneous at all temperatures True…

A: Given :-  Statement : when ∆H is positive and ∆S is negative, the reaction is nonspontaneous at all…

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,…