5.The following describes the process occurring spontaneously if the system is a hotter object Group of answer choices A, ΔS = q + w B, ΔSsys= qrev/Tsys C, ΔSsys=  -qrev/Tsys D, ΔSsur=  -qrev/Tsur E, ΔSsur=  qrev/Tsys   6, This always increases in a spontaneous process: Group of answer choices A, ΔSsystem B, ΔHsurroundings C, ΔHuniverse D, ΔSsurroundings E, ΔSuniverse

Q: Consider the reaction Fe(s) + 2HCl(aq) → FeCl2 (s) + H₂(g) for which AH° = -7.400 kJ and AS° = 107.9…

A:

Q: Consider these two reactions: Reaction 1: 20F₂(g) → O₂(g) + 2 F₂ (g) AH = -49.4 kJ Reaction 2: N₂(g)…

A: ★ Answer : Reaction 2  is non spontaneous. ★ Explanation :

Q: Use the data in the table to calculate the ΔH°rxn of the following reaction at 298 K:

A: Given:

Q: What is the absolute entropy of chlorine gas at 300 K using Cp = 0.48 J/ g.K?

A: Given that : We have to calculate the absolute entropy of chlorine gas at the given conditions :…

Q: ST3D.3- At constant temperature and pressure, what is the minimum mass [in g] of glucose needed for…

A: Answer: Value of gibbs free energy change is always equal to non-expansion work and over here…

Q: For a reaction, ΔHrxn = -107 kJ and ΔSrxn = 285 J>K. At what temperature is the change in entropy…

A:

Q: Processes are always spontaneous when (H and S refer to the system.) AH 0 ΔΗ> 0 and ΔS0 and ΔS> 0…

A: The correct answer is explained below.

Q: Which statement is incorrect? Gibbs free energy, AG, is a state function and when it is negative the…

A: ∆G is  change in Gibbs Free energy .For a process to br spontaneous ∆G should be negative.

Q: The heat of fusion ΔHf of methanol CH3OH is 3.16 /kJmol. Calculate the change in entropy ΔS when…

A:

Q: Calculate ΔH° for the process Zn(s) + S(s) + 2O2 (g) ⟶ ZnSO4 (s) from the following information:…

A:

Q: Consider the reaction2HBr(g) + Cl2(g)2HCl(g) + Br2(g)for which H° = -81.10 kJ and S° = -1.200 J/K at…

A: All feasible reactions occurring in nature are either enthalpy/entropy driven or both. When heat…

Q: The vaporisation of a certain element at 23.0 oC has the following enthalpy and entropy values:…

A:

Q: Calculate how entropy of 100 g of water changes when it is heated(under reversible conditions)from…

A: Here, since 00C is given for temperature, I consider it as 0oC and 1000C as 100oC That is…

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

A:

Q: Consider the reaction 2Na(s) + 2H₂O(1) 2NaOH(aq) + H₂(g) for which AH = -368.6 kJ and AS° = -15.30…

A: 2 Na (s) + 2 H2O (l) ==> 2 NaOH (aq) + H2 (g)

Q: A cup of hot water is left to cool in a room at 20 °C. If the cup contains 400 g of water initially…

A: Given: mass of water = 400 g Specific heat of water c = 4.182 J K-1 g-1 Temperature change ΔT = (20…

Q: Assume that a particular reaction evolves 229 kJ of heat and that 27 kJ of PV work is gained by the…

A: The objective of the question is to calculate the change in internal energy (ΔE) for the system, the…

Q: 2.8 g of a solid was dissolved in 51.4 g of a basic solution in a calorimeter with a calorimeter…

A:

Q: During a hypothetical process, the entropy of a system increases by 105 J K-1 while the entropy of…

A:

Q: Given the following data, calculate ΔGorxn to determine if the reaction Ti(s) + 2Cl2(g) -> TiCl4(l)…

A: Solution- Given data- ΔH of (TiCl4(s))=−804.2 kJ/mol and ΔH of(Cl2)=ΔH of (Ti(s))=0 kJ/mol.

Q: The reaction of ammonia(g) with oxygen(g) to form nitrogen monoxide(g) and water(g) proceeds as…

A: Given that 3.47 g ammonia reacts with oxygen  to give  nitrogen monoxide. Number of moles of ammonia…

Q: Consider each of the following reactions and decide whether the standard entropy change for the…

A: As per guidelines if multi-part questions posted, first three are allowed to answer, please repost…

Q: Calculate ΔS for a system if 2.50 mol of water (Cp= 75.3 J/(mol K) ) is heated from 0.00 °C to 50.0…

A: For constant pressure heating ΔS = nCp ln T2T1   For constant volume heating,ΔS = nCv ln T2T1  Given…

Q: Which of the following statements about the standard Gibbs energy change for the reaction, A,G° is…

A:

Q: A reaction has values ΔS = 60.3 J K-1 mol-1 and ΔH = 49.6 kJ mol-1. At what temperature (in °C) will…

A: A reac is spontenous if  ∆G is negative. The relation is given as :  ∆G = ∆H - T∆S  So we would…

Q: Calculate ΔH° for the process Sb(s) + 52Cl2(g) ⟶ SbCl5(s) from the following information: Sb(s)…

A: According to the Hess’s law of Constant heat Summation, regardless of the number of steps or stages…

Q: Explain which reaction is non-spontaneous and justify your answer in terms of change in enthalpy and…

A: Given : reaction