10. What would be predicted for the sign of ASpn and the temperature under which the following reaction would be spontaneous? A2 (g) →2 A(g) ASrxn Spontaneous a) positive at low temperatures only b) positive at high temperatures only c) negative at high temperatures only d) negative at low temperatures only

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

A: Answer

Q: which of the following that has a positive DH and a positive DS for the spontaneity of a gas phase…

A: A reaction is spontaneous if ∆G is negative. Using this we will find temperature at which reaction…

Q: stion 11 Calculate AG° Dxn for the following reaction at 25.0 °C. s this reaction spontaneous or…

A: The solution is given below -

Q: Using ΔG = ΔH – TΔS, explain under what circumstances the following processes would be spontaneous:…

A: According to the Gibbs-Helmholtz equation, the reaction will be spontaneous if the change in Gibbs…

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: For the reaction below, which statement best describes what is happening with the sign of ΔG0? N…

A: CONCEPT: For an exothermic reaction, ΔH0 is negative. For a spontaneous reaction, ΔG0 is negative.…

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: Given the following table of thermodynamic data,   Substance ΔH∘f(kJ/mol)   S∘(J/mol⋅K)   H2(g)…

A: The "spontaneous reactions" always favor "forward reactions" where more product gets yielded and…

Q: 1. For the reaction: SO3(g) → SO2(0) + O2(0). AH° the reaction spontaneous at 25°C? At what…

A:

Q: I am having trouble understanding the following chemistry questions, please advise :)   1.…

A: Note - Since you have asked multiple questions, we are bound to solve only the first question for…

Q: The combustion of methane in oxygen is spontaneous at 25°C with all gases at 1 atm.: CHĄ(9) + 202(9)…

A: The combustion reaction is the chemical reaction in which the substance is burnt in presence of…

Q: 10. A chemical reaction at the standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

A:

Q: For the process, CO 2 (s) -> CO 2 (g), this process (and explain why) A. is always spontaneous B. is…

A: For any process to be spontaneous, the free energy change must be negative.delta G = delta H - T…

Q: For the reaction below, which statement best describes what is happening with the sign of AGO? CrP…

A: The relation between ∆G˚, ∆H˚ and ∆S˚ is as follows: ∆G°=∆H°-T∆S° where ∆G˚ represents the change in…

Q: Which is true for the endothermic reaction 2 SO3(g) → 2 SO,(g) + 02(g)? A) Spontaneous at all T B)…

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

Q: Which of the following scenarios describes a spontaneous process? AH > 0 and AS > 0 at low…

A: ∆G = ∆H - T∆S

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: Methanol, CH3OH, can be made by the reaction of CO with H2: Co(g) + 2H2(g) = - CH3OH(g) AH° = -90.7…

A: Answer:- This question is answered by using the simple concept of calculation of Gibbs free energy…

Q: 1. Which set of results applies to a reaction that is spontaneous at 250 K but is not spontaneous at…

A: Answer:- This question is answered by using the simple thermodynamics and the spontaneity of the…

Q: Consider the following reaction: C2H4 (g) + H2 (g) → C2H6 (g) AH = -137.5 kJ; AS = –120.5 J/K…

A: (delta S) = -120.5 J/K= -0.1205 kJ/KT = 25 oC= 298 K use,(delta G) = (delta H) - T*(delta S)= -137.5…

Q: The following reaction is not a spontaneous at standard state conditions. at what temperature does…

A: For reaction to be spontaneous the standard Gibbs free energy (ΔGo) must be less than zero.

Q: 13. Which of the following is NOT true? (a) If Q = 1, then ΔG = ΔG° (b) If ΔG° 0, the reaction is…

A: Thermodynamics is the branch of chemistry which deals with the study of heat and other forms of…

Q: Recovering aluminum directly from its ore, which is primarily aluminum oxide, involves the following…

A:

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: 2.2.Predict if the following reaction is spontaneous or not. CO26)CO(g) at 25°C

A: We have given that  Predict if the reaction is Spontaneous or Not  CO2(s) ------> CO2(g)  at 25°C…

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: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: Given data    ∆H° = +150 KJ/mole and ∆S° = 171 J/K-mole.

Q: Consider the following reaction, known as the Haber process for the production of ammonia: N2(g) + 3…

A: The given reaction is involved in the Habers process for the production of NH3  N2(g) + 3 H2(g)…

Q: For the reaction below, which statement best describes what is happening with the sign of ΔG0? CrP…

A: The given reaction is endothermic reaction where ΔH>0, for this ΔG0 will be less than zero at…

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

A:

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: 1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which…

A:

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

Q: 4. Methanol is relatively inexpensive to produce. Much consideration has been given to using it as a…

A: 4. Given decomposition reaction of methanol:   CH3OH(l)  ---->  CH4 (g) + (1/2)O2 (i) when moles…

Q: For the reaction below, which statement best describes what is happening with the sign of ΔG0? C…

A: Given reaction: Cu2O(s) + 2 N aClO4(aq) → 2 CuClO4(aq) + N a2O(aq) (endothermic)

Q: of methane in oxygen is CH,(g) + 2O2(g) → CO,(g) + 2H,O(I) The combustion spontaneous at 25 °C: What…

A: 1 .Combusion reaction is  reaction  in presence  of  oxygen  to give carbon dioxide  and water .…

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: For the reaction below, which statement best describes what is happening with the sign of ΔG0? 2 C…

A:

Q: Which of the following statements is true of process that is spontaneous in the forward direction?…

A: We have to tell which option is correct from given choices of options.

Q: bove what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) - CO2(g) +…

A: The question is based on the concept of chemical thermodynamics. we have to identify the temperature…

Q: 17. For the reaction: A + B C AH°= +45 kJ/mol and AS° = +60 J/K.mol. At what temperature will this…

A: For the reaction: A + B  →C ∆H°= +45 kJ/mol ∆S° = +60 J/K.mol.  For a spontanseous reaction ∆G°<0…

Q: 3.65 g of zinc metal react according tyo the following reaction at 25 C. Is this reaction…

A: The overall reaction is: The cathode and anode half cell reactions are as follows: The overall…

Q: Question 16 In a biochemical reaction, A+ B --> C has AG"nn = 30 kJ/mol. Which reactions in the…

A:

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: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: From the following AH and AS values, predict whether the reaction would be spontaneous. If not, at…

A:

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

A:

Q: 6. For each reaction below, determine the sign of AH and AS. Also state under what conditions the…

A: The spontaneity of any reaction is known with the help of sign of ΔH and ΔS. ΔG=ΔH-T ΔSSpontaneous…

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A:

Q: The reaction N2(g) + 3 H2(g) → 2 NH3(g) is thermodynamically spontaneous at 298 K, but becomes…

A: We know that  ΔG = ΔH - TΔS For a reaction to be spontaneous ΔG must be negative. For a spontaneous…