At 25 °C the values of the standard enthalpy change and of the standard entropy change for certain reaction are -85.2 kJ / mol and -170.2 J/ (K mol). Assuming that these values do not change with temperature, in which temperature range is the chemical reaction spontaneous? O a.T< 500K b. T> 600 K

Q: What is the entropy change for the universe, delta Suniv, for the vaporization of one mole of CH3OH…

A: The solution is as follows :

Q: 1.)     Consider the endothermic reaction 4HCl (aq) + MnO2 (s) Cl2 (g) + 2 H2O (l) + MnCl2 (aq),…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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: Consider the following reaction at 25°c: 2NH,(g)+CO,(g) =NH,CONH,(aq) + H,0(8) For this reaction A…

A:

Q: For each reaction, calculate AHrn, ASn, and AGxn at 25 °C and state whether or not the reaction is…

A: a. The reaction: N₂O₄(g) → 2 NO₂(g) Standard enthalpies of formation: N₂O₄(g): Hf =…

Q: Consider the decomposition of gaseous N2O4: N2O4(g) → 2 NO2(g) ΔH° = +57.1 kJ/mol; ΔS° = +175.8…

A: The chemical equation :  N2O4(g) ---&gt; 2NO2(g)  ∆H° = +57.1 KJ/mol  ...or  because 1KJ = 1000 J…

Q: Consider the reaction: 4 A (g) 2 B (s) + 3 C (g) + 20.5 kJ, at what ------ temperature(s) would you…

A: Gibbs free energy change is an extensive property as well as state function whose absolute value…

Q: For the conversion of reactant A to product B, the change in enthalpy is 7.80 kJ·mol-1 and the…

A: Solution: ∆H= 7.80 KJ mol-1∆S= 44.4 JK-1

Q: A chemical reaction is always spontaneous if it is accompanied by Oa. endothermic and increasing…

A: When reaction is endothermic then it's required energy from the external sources then it's converted…

Q: Consider this reaction occurring at 298 K:BaCO3(s)&lt;-----&gt;BaO(s) + CO2( g)a. Show that the…

A: a. ΔG°rxn is +ve. therefore, the reaction is not spontaneous.

Q: 1. Consider a reaction: C₂H₂(g) + 4Cl2(g) → 2CCL4 (1) + H₂(g) Calculate the following by using the…

A:

Q: The sign for the change in entropy is positive for ...

A: Entropy is basically a molecular disorder or randomness. Solid has less entropy than liquid. Liquid…

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: Δ G o     for the reaction H2(g) + I2(g) ⇌ 2HI(g) is 2.60 kJ/mol at 25 ° C. Calculate…

A:

Q: Consider the reaction: CaCO3(s) ↔ CaO(s) + CO2(g) The reaction enthalpy and entropy are: ΔHo rx =…

A:

Q: A chemical reaction is most likely to be spontaneous if it is accompanied by A. increasing energy B.…

A: Spontaneous reaction/process - The reaction which occurs on its own without the requirement of any…

Q: Consider the reaction between nitrogen and oxygen gas to form dinitrogen monoxide:2 N2(g) +…

A: (a) Given data contains, The enthalpy of reaction is +163.2kJ. Temperature is…

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: 2 NH3 (g) + 2 O2 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: The reaction below is the cause of sulfur deposits formed at volcanic sites. 2 H2S (g) + SO2 (g) 3 S…

A: Calculate the standard entropy change of the reaction ---

Q: For a certain chemical reaction, ΔH°= ‒40.0 kJ and ΔS°= ‒150.0 J/K. (a) Does the reaction lead to an…

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

Q: d standard entropy change for the reaction are: =-114.0 JK' mot", respectively. rgy change for the…

A: This question is related to Thermodynamics

Q: Consider the reaction CH4(g) + H2O(g)3H2(g) + CO(g)…

A:

Q: For the decomposition of mercury(II) oxide, HgO, to mercury and oxygen: 2H9O(s) --> 2Hg(I) + O2(g)…

A:

Q: for this reaction: H2O(g) →  H2O(l) → (gets hot, s

A: When water changes its states from gas to liquid there is a change in states of water from gaseous…

Q: (a) Use the data given below and calculate ∆Ho, ∆So, ∆Go, and Kp at 25° C for the reaction: 2 COCl2…

A:

Q: In the reaction between hydrogen gas and chlorine gas to give hydrogen chloride gas spontaneous,…

A:

Q: Photochemical smog is formed through a sequence of reactions, the fırst of which is N2(g) + O2(g) –→…

A:

Q: 2NO(g) + O2(g)→ 2NO2(g); AH°= -125 kJ/mol; AS°= -150 J/mol-K Below a temperature of K, this reaction…

A:

Q: 12. For a particular chemical reaction ΔΗ= 6.8 kJ and A--29 JK. Under what temperature condition Is…

A: Enthalpy of the given reaction is defined as the difference in the enthalpy of reactants and…

Q: Consider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

A:

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH (g) →3 Ni(s) + N,(g) + 3 H,O(g) K If AH° =…

A:

Q: 13. Which is TRUE about decreasing entropy? A. Spu> Sugsid> Sudd C. Suquid > Suia > S B. S< Suguit <…

A: Entropy of a substance is a measure of the randomness of the molecule present in the…

Q: Cu2O (s) --> CuO (s) + Cu (s) Is this reaction spontaneous at all temperatures? If this reaction is…

A: Reactions which proceeds spontaneously always possess the free energy that is Delta G value less…

Q: For the reaction, A + B =C, AH° = +30 kJ, and ASº = +50 J/K. Which of the tollowing %3D statements…

A: A) Since the reaction is having ΔH0 &gt; 0 hence the reaction is endothermic  And since on…

Q: v? 2SO4(s) → 2 NH4*(aq) + SO4²(aq) he reaction has zero entropy since elements should have z alues.…

A: Entropy is degree of randomness or disorderness.  In the given reaction,  solid is dissolved and…

Q: 4: Consider the reaction 3H2 (g) + Fe2O3 (s) ⇄ 2 Fe (s) + 3 H2O (g) Use the data on the last page to…

A: The change in enthalpy which takes place under standard conditions is known s standard enthalpy of…

Q: For the following process, does entropy increase, decrease or remain the same: H20 (s) --> H2O (1) O…

A: Entropy is a measure of randomness, disorder of a system. Entropy, the measure of a system's thermal…

Q: onsider the reaction 2 SO2 (g) + O2 (g) 2 SO3 (g) at 298 K. What is Go for this reaction? What is…

A: The reaction is: 2 SO2 + O2 ↔2 SO3 Equilibrium constant K = [SO3]2 / [SO2]2 [O2]

Q: Briefly describe the Third Law of Thermodynamics.   b) Consider the reaction 2X(g)+ O2(g)→3Y(g)…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

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: Réčômměnđěd time: 6 min A certain reaction is carried out at 65°C. If the enthalpy change for the…

A: ∆G = ∆H - T∆S ∆G = Gibbs free energy ∆Suniv. = ∆Hrxn  / T if ∆G is negative then reaction is…

Q: NH3(g)   +  HCl(g)   ---->   NH4Cl(s) ΔHfo(kJ/mol):  -46.2          -92.3                   -314.4…

A: The reaction given is  NH3(g)   +  HCl(g)   -------&gt;   NH4Cl(s)

Q: 2 NH3 (g) + 2 02 (g) → N20 (g) + 3 H20 (g) Is this reaction spontaneous only at low temperatures,…

A:

Q: Consider the following reaction at 298 K. C(graphite)+2Cl2(g)⟶CCl4(l)Δ?∘=−139 kJCalculate the…

A: C(graphite) + 2Cl2(g) → CCl4(l)△HRxn =-139 Kj△Ssystem = △HT = -139 ×103298△Ssys = -466.44…

Q: 8) a) Calculate AS°en for the following reaction given their respective standard molar entropy…

A: The standard entropy of the reaction can be calculated as follows-

Q: A chemical reaction proceeds with decrease in both the enthalpy and entropy. This reaction will be…

A: In thermochemistry, we explain the spontaneity of the reaction by means of heat change and…

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

A:

Q: The standard state Gibb's energy and entropy changes are known for the reaction: 2H,S(g) + 30,(g)…

A: Formula  ΔG° = ΔH° - TΔS° - 120 x 103 = ΔH° - 298 x 52  ΔH° = -120000 + 15496 = - 104504 J/mol ΔH° =…

Q: The following AG are for different reactions. Which reactions would be spontaneous if all conditions…

A: