which of the following that has a positive DH and a positive DS for the spontaneity of a gas phase reaction? 1)  at all temperatures, the process will be non-spontaneous. 2) at high temperatures only, the process will be non-spontaneous. 3) at all pressures, the process will be spontaneous. 4) at low temperatures, the process will be non-spontaneous and at high temperatures, the process will be spontaneous 5) at equilibrium, the process will be

Q: A process that is spontaneous in standard conditions can be non-spontaneous in non-standard…

A: For spontaneous reaction , we mean that reaction which proceed in forward direction spontaneously .…

Q: Which of the following is NOT true for ΔGrxn? A) If ΔG°rxn > 0, the reaction is spontaneous in the…

A: given that  delta G > 0

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…

A:

Q: At 25°C, AG° = +31.2 kJ for the reaction, Ag2CO3(s) → Ag20(s) + CO2(g). Is this reaction spontaneous…

A: Given data: Standard free energy ∆Go=31.2 kJ Temperature T = 25o C = 298 K Pressure P = 0.10 atm…

Q: Which stateueut is false? (a) Ifa reaction is thermodynamically spontaneous it may occur rapidly.…

A: A spontaneous reaction has a negative value of change in Gibbs free energy whereas a non-spontaneous…

Q: 2. Determine the AG of the reaction below at standard condition. Will the reaction occur (be…

A:

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: Which of the following conditions describe a reaction that is spontaneous at "low" temperature and…

A: OPtion D (ans)From the thermodyamic equation we know that ∆G=∆H-T∆SWhere ,∆G = Free energy change∆G…

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

A:

Q: For the reaction C6H6 (1) + 3 H2 (g) C6H12 (1) AHO = -206.7 kJ/mol What statement is true? (Hint:…

A: A reaction would be spontaneous if ∆G (reaction) is negative.

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 processes are spontaneous at room temperature? Mark all that apply. O Helium mixing with the…

A: Out of the given options first three are spontaneous process at room temperature.

Q: Calculate ΔG for the following reaction at 350 K if the partial pressure of nitrogen is 33.0 atm,…

A: First, we need to calculate the standard Gibbs free energy of the reaction that can be calculated…

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: 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: Which of the following would be a non-spontaneous reaction?     Building CO2 and H2O into glucose…

A: Here option A is correct  Building CO2 and H20 into glucose . A rock rolling down a hill is…

Q: Which of the following reactions is spontaneous at standard conditions? A. Pb + Cu2+ -> Cu + Pb 2+…

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

Q: 1.Which of the following statements are true for the reaction: I2e) → I. AH is positive II. AH is…

A: I2(g) ----> 2I(g)

Q: Under what condition is a reaction with a negative AH and a positive AS spontaneous?

A: Answer: To check the spontaneity of a reaction we have to see the sign of ∆G of the given reaction .…

Q: A. Identify if the given entropy (AS) of the reaction is positive or negative, spontaneous or…

A: In simple words entropy is measure of disorder or randomness of system. Entropy of gas is more than…

Q: For the following example, identify the following. 2 Cl2O(g) → 2 Cl2(g) + O2(g) Group of answer…

A: As we know Gibbs free energy (∆G) defines the spontaneity of a reaction. For spontaneous reaction,…

Q: Which of the following is correct? A. A process that leads to a negative ΔSuniverse is spontaneous…

A:

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: For a process with AH 0 O AS > 0 ΟΔΕ>0 O Never.

A:

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: under what temperature conditions is the given reaction: N2 (g) + 2O2 --> 2NO2 (g) ; ∆Hrxn > 0…

A: Given,                   N2 (g)  +  2 O2                2 NO2 (g)           ∆Hrxn >  0…

Q: The following reaction is spontaneous at room temperature.

A: Since we know that a spontaneous reaction is the reaction which occurs on it own without any outside…

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

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

Q: Indicate whether each statement is true or false. (a) A reactionthat is spontaneous in one direction…

A: (a) The spontaneity of a reaction is determined by the value of standard free energy change of the…

Q: A clear solution becomes a uniform color after a few drops of dye are added. Is this a spontaneous…

A: Solution :      The solution is a liquid mixture in which many minor components are uniformly…

Q: 11.13 For a certain reaction at 15°C, AH = -10.5 kJ/mol and AS = 30. J/mol•K. Calculate AG for the…

A: From the equation of Gibb's free energy change, we know ∆G = ∆H -T×∆S where   ∆G = Gibb's the free…

Q: Under which conditions is a reaction non-spontaneous at all temperatures, according to AG = AH – TAS…

A: In this question we have to tell the condition for non spontaneous at all the temperature.

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: QUESTION 22 At what temperature, in Kelvin, does the following reaction change from spontaneous to…

A:

Q: 1.With respect to the system only, a reaction with ΔH < 0 and ΔS < 0 is predicted to be ___________.…

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

Q: The process of iron being oxidized to make iron(III) oxide(rust) is spontaneous. Which of these…

A: The process of rusting of iron is an important phenomenon and it indicates an oxidation reaction. It…

Q: Calculate the Kc for the following reaction at room temperature, is it spontaneous? At what…

A: Recall the given reaction       2SO2g + O2g ↔ 2SO3gGiven that ∆Hrxno=-196 kJ…

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

A: Detail solution is given below

Q: For a particular reaction, AH= 30.0 kJ and AS= Assume that AH and AS do not vary with temperature.…

A: Given , ∆H = 30.0 kJ∆S= 90.0 JK

Q: Which of the following is correct? A. A process that leads to a negative ΔSuniverse is spontaneous…

A: To identify: The correct statement about the spontaneous process.

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 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&lt;0, process is spontaneous if ΔG&gt;0, process is non…

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

A:

Q: Which of the following exhibits a non-spontaneous? a. Rain falls from the sky. b. A plants grows…

A: A chemical process is occurs when one form of compound converted into another form. These processes…

Q: The degradation of phosgene (COCl2) into CO and Cl2 happens to be non-spontaneous at room…

A: Hi, since you have posted multiple questions, we will answer the very first question. Kindly repost…

Q: rom the following combinations of AH and AS, predict if a process will be spontaneous at a high or…

A: Given: We have to tell at what temperature process will be spontaneous.

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,…

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

A: Option a: ∆G° of element in their standard states is zero because standard standard is the most…