What will be the Gibbs free energy in KJ/mol if the entropy of the reaction (ΔS°rxn)  is 342.26 KJ/mole and the ethlapy (ΔH°rxn) is -422.77 J/mol at 33.48 oC?

Q: Which one has a higher entropy? Explain briefly. MgC2(aq), NaCl(aq)

A: Entropy is a measure of the randomness of the system. The entropy of a system can be calculated by…

Q: alculate the standard change in Gibbs free energy for the reaction at 25 °C. Standard Gibbs free…

A: Standard gibbs free energy for the above reaction is

Q: For each reaction with ΔH = + 187 kJ/mol and ΔS = + 365 J/molK ,at what temperature at which the…

A: Given: ΔH = +187 KJ/mol or +187000 J/mol ΔS = +365 J/molK We have to calculate temperature(T) at…

Q: Which of these processes result in an entropy decrease of the system?

A: Entropy means randomness. All spontaneous processes have positive or zero entropy change. This means…

Q: The entropy of a reaction is 360 J/mol K and the enthalpy of a reaction is 847 kJ/mol. Calculate the…

A:

Q: Choose the system with the greater entropy in each case:(a) 1 mol of H2(g) at STP or 1 mol of SO2(g)…

A: The give question can be answered by using Boltzmann entropy formula, K is Boltzmann constant. W is…

Q: Of the following, which system shows a decrease in entropy? A CHJOH (ACH3OH (g) B. NaCI (s- Na (ag)…

A:

Q: 9. A chemical reaction under standard state has the enthalpy of reaction: A,H° = +117 kJ and the…

A: B) The reaction is entropy driven.

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A:

Q: A process increases the entropy of the system by 128 J/mol K and absorbs 54 kJ/mol of heat from the…

A: Given: Change in entropy (∆S) = 128 J/mol•K Absorbed heat=54 kJ/mol =54×103 J/mol    To determine…

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: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

A:

Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

A:

Q: Predict the sign of delta H and delta S for the reaction X(s) = X(g) and state under what conditions…

A: As solid  X is transformed into gaseous species. thus in this reaction entropy increases as the…

Q: Above what temperature (in ºC) does the reaction with H' of 192 kJ/mol and S’ of 622 J/mol·K become…

A:

Q: Calculate the standard change in Gibbs free energy, AGixn , for the given reaction at 25.0 °C.…

A:

Q: Calculate the ΔG of the acid/base neutralization reaction of HCl (aq) and solid calcium  hydroxide.…

A:

Q: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

A:

Q: If the change in enthalpy is 60.2 kj/mol and the change in entropy is -4 j/mol k at 45 degrees…

A:

Q: o The following reaction proceeds in a beaker. Naclag) + AGNO3(aq) → NANO3(aq) + AgCl) a) What is…

A: Since you have posted question with multiple subparts as per guideline we can answer only three…

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: The entropy of reaction for XeF6 (g) ⇌ XeF4 (g) + F2 (g) is 49 J/mol·K.  If the equilibrium constant…

A: Feasibility of a reaction depends on the change in Gibbs free energy. The value of change in Gibbs…

Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

A:

Q: Define gibbs free energy in a reaction.

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The entropy change for a reaction is zero.  If the delta H is -10.0 kJ/mol, calculate Keq using the…

A:

Q: Calculate the standard entropy change for the following reactions: Given S[So2(g)]=248.2j/k.mol,…

A: Given reaction and information,       Formation of SO3 from SO2 and O2.       Entropy value for SO2…

Q: Which of the following reactions results in a decrease in entropy? CaCO3 (s) CaO (s) + CO2 (g) N2O4…

A: Unit temperature measurement of the thermal energy method  is not usable for practical application.…

Q: Which process is necessarily driven by an increase in the entropy of the surroundings?

A: firstly we undrstood entrophy  ;Entropy is a measure of the energy dispersal in the system. We see…

Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: Arrange H202, H2S and H20 in order of decreasing molar entropy

A: WE HAVE TO ARREANGE IN DECREASING ORDER OF MOLAR ENTROPY.

Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: What is the energy of system A? 15 What is the energy of system B? 16 9J 8J 6J In how many ways can…

A:

Q: Which of the following processes results in the largest decrease in Entropy? The heat of fusion of…

A: Entropy an be defined as the thermal energy per unit temperature that is unavailable for doing a…

Q: Under standard conditions, the products of a reaction have, overall, greater entropy than the…

A: Given that ∆S°products is greater than ∆S°reactants .

Q: For a reaction, the enthalpy change is –210 kJ, the entropy change is –170 J/mol.K  and the…

A: Given that: dH° = -210KJ dS° = -170J/K.mol = -(170J×1KJ/1000J)/K.mol = -0.170KJ/K.mol T = 400K

Q: Determine if this reaction is spontaneous under standard conditions; knowing that the reaction's…

A: Spontanity of reaction is determined in terms of Gibbs energy formula.

Q: Consider the oxidation of a generic metal M into a metal oxide as shown in the reaction. 3 2 M(s) +…

A:

Q: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

A: Arrange HCl(l), NaF(s), and SiF4(g) in the order of decreasing standard molar entropy at 25°C.

Q: The standard Gibbs free energy (∆G°rxn) for the formation of sulfur trioxide from sulfur dioxide and…

A: Given reaction: SO2 (g) + ½ O2 (g) → SO3 (g) The standard Gibbs free energy (∆G°rxn) for the…

Q: The entropy change for a reaction is -21.0 J/K. If delta H is -10.0 k]/mol, calculate Keg at 100° C…

A: Given : The entropy change,∆S= -21.0 J/K. The enthalpy change, ∆H= -10.0 kJ/mol=10000 J/mol…

Q: Arrange Au(s), Al(s), and C(s) in order of increasing entropy. Assume the three solids are at the…

A: The correct order of entropy is given below

Q: Discuss the spontaneity of each process in the following scenarios, based on the use of the Gibbs…

A: Gibb's free energy equation is :  ∆G = ∆H - T∆S  For a spontaneous process ∆G must be negative.

Q: (Q77) The standard Gibbs free energy (AG°rxn) for the formation of sulfur trioxide from sulfur…

A:

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: In order to be a spontaneous reaction, what has to be true about Gibbs Free Energy?

A: Gibbs free energy of any reaction is defined as the maximum amount of reversible work that may be…

Q: The normal freezing point of n-octane 1C8H182 is -57 °C. In what temperature range is the freezing…

A: For freezing process  ∆H < 0  and ∆S < 0  So,  ∆G = ∆H - T∆S  at low temperature  ∆G < 0…

Q: The entropy change for a reaction is -21.0 J/K.  If delta H is -10.0 kJ/mol, calculate Keq at 100o C…

A:

Q: For a reaction, the enthalpy change is –210 kJ, the entropy change is –170 J/mol.K  and the…

A: The spontaneity of the reaction can be known by calculating their free energy change . The equation…

Q: For which one of the following substances is AG,, the Gibbs free energy of formation, equal to zero?…

A: Option d should be the right answer.