Calculate the standard free energy change, AG°, for the following reactions at 25 °C: 14. 2 HC1(g) + CaO(s) → CaClz (s) + H20(g) 15. 3 Ca0(s) + 2 Fe(s) → 2 Ca(s) + Fe,03 (s) 16. 2 C,H2 (g) + 502 (g) → 4 CO2 (g) + 2 H,0(g)

Q: For the process: Z₂(g) →2 Z(g), AH° = +478 kJ. What would be predicted for the sign of ASxn and the…

A: Given reaction: Z2(g) → 2Z(g),     ∆H∘ = +478 kJ We have to find the sign of ∆Srxn and the…

Q: The concentration of glucose inside a cell is 0.13 mM. Outside the cell the concentration of glucose…

A: Given that : Concentration of glucose inside the cell (Ci)= 0.13 mM Concentration of glucose outside…

Q: Estimate the sign of the entropy change for the reaction: CACO3 (s) → CaO (s) + CO2 (g)

A: Given :-  CaCO3(s) → CaO(s) + CO2(g)  To be determined :- sign of ∆S (entropy change)

Q: Determine the free energy change for each of the following reactions, which are run under standard…

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

Q: At temperature T0, substance X in its A form (A can be liquid, solid or vapor) has same chemical…

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Q: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

A: The thermal decomposition of molten sodium chloride into elemental gaseous sodium and elemental…

Q: The molar entropies of carbon monoxide and carbon dioxide at 25°C are 197.7 and 213.8 J/molK,…

A: The molar entropy in terms of micro-state is given as :

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: For the reaction N, (g)+ 3H, (g) 2NH, (g), equilibrium pressures are Py, =2.6 atm, %3D PH, = 5.6…

A: Given reaction, N2 (g) + 3H2 (g) ⇌ 2NH3 (g) Given data, P(N2) = 2.6 atm P (H2) = 5.6 atm P (NH3) =…

Q: Which one of the following processes produces a decrease in the entropy of the  system?  A. boiling…

A: Entropy of the process increases when- The randomness of system increases and the system is…

Q: Calculate the standard free energy for the combustion of 1 mole of ethylene, C₂H₄(g), in the gas…

A: The reaction for the combustion of ethylene in gas phase – C2H4g +3O2 g →2CO2g +2H2Og

Q: At 25°C, a reaction undergoes an enthalpy change of −27.0 kJ mol^−1 and an entropy change of 27.0 J…

A: Enthalpy change (∆H) = -27.0 KJ mol-1 ...Or because 1KJ = 1000 J    .....so, -27.0 KJ mol-1 × (1000…

Q: For each reaction, calculate AHn, ASn , and AGn at 25 °C and state whether or not rxn rxn the…

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Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide:…

A: Entropy: Entropy determines spontaneity of process. Spontaneity means perform a process in a given…

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: Which substance would have the smallest standard molar entropy? NO2(g) N2(1) N2(g) NO2(1)

A: Entropy is determined by checking the state of phase . In which state material is available .

Q: Which one of the following is not equal to zero?   A.  Standard molar entropy of a perfect crystal…

A: Standard enthalpy of formation of elements and the compounds in their standard state is zero.

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) a.Given…

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Q: Calculate the standard free energy change, AG°, for the following reactions at the temperature giv…

A: 17) The reaction given is  => Ca (s) + 2 H2SO4 (l) -------> CaSO4 (s) + SO2 (g) + 2 H2O (l)…

Q: Directions: Calculate AG°, AH°, AS° then predict whether the reaction is spontaneous. 1. Consider…

A: The given reaction is N2 (g) + 3H2 (g) → 2NH3(g);  ΔH = - 92.4 kJ/mol Given data the absolute…

Q: Chlorine gas, Cl2 (g), reacts with nitric oxide, NO (g), to form nitrosyl chlor NOCI (g), via the…

A: Given :

Q: Calculate the standard free-energy change at 25°C for the Haber synthesis of ammonia using the given…

A: Standard free energy change is calculated using formula  ∆G° = ∆H° - T∆S°    Reaction is spontenous…

Q: Consider the following reaction at room temperature:                         Co(s) + Fe2+(aq, 1.94…

A: The above Nernst equation could be simplified as, Ecell=E°cell-0.0592VnlogQ

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

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Q: Determine the standard reaction entropy, in J/mole K, for the reaction of aqueous sodium carbonate…

A: Answer:- This question is answered by suing the simple concept of calculation of entropy of reaction…

Q: Calculate the entropy change for the following reactions, using the tabulated standard molar…

A: Nitrogen oxide reacts with oxygen to form nitrogen dioxide, the equation for the balanced chemical…

Q: Hydrogen is a clean and environmentally friendly fuel. The sunlight-driven water splitting reaction…

A: For a reaction to be spontaneous, ΔG° that is the standard Gibbs free energy change value must be…

Q: Using the values given for ΔH∘ and ΔS∘, calculate ΔG∘ for each of the following reactions at 298 K.…

A: Step 1: (A) For the given reaction: The value of ΔH⁰ =−844 kJ, ΔS⁰= −165 J/K, while temperature is…

Q: – 10 For a certain chemical reaction, the equilibrium constant K = 4.5 × 10 at 5.00 °C. Calculate…

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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: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free…

A: Since, Free energy of the reaction is the difference of the sum of the gibbs free energy of product…

Q: 1. Calculate the standard entropy change for the following process: Ha(g) + C2Hag) → C2H6ig) 2.…

A: We have given that  Calculate the standard entropy change for the following process: H2(g) + C2H4(g)…

Q: Under what temperature range would the following reaction be spontaneous?   N2(g) + 3 H2(g) ⇌ 2…

A: The given problem can be solved by using the formula given below as; ∆G°=∆H° - T∆S°…

Q: The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury(II) oxide: HgO(s) →…

A: Given chemical equation:  HgO(s) ------> Hg(l) + 1/2O2(g) For a reaction to be spontaneous,…

Q: 3. The standard free energy change at room temperature may be calculated as   A,…

A: Given  A, ΔG°=∑νΔG°(products)−∑νΔG°(reactants)   B, ΔG°=∑νΔG°(reactants)−∑νΔG°(products)   C,…

Q: Using the standard molar entropies in Appendix C, calculate the standard entropy change,ASº, for the…

A: The balanced chemical reaction given is  Al2O3 (s) + 3 H2 (g) → 2 Al (s) + 3 H2O (g) The standard…

Q: 4. At what temperature the reaction becomes spontaneous? 5. The vant Hoff's equation works if…

A: The Vant't Hoff equation gives us the relation between standard Gibbs free energy change ∆G and…

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: Calculate the entropy change in surroundings when 1.00 mol of H:0 ) is formed under standard…

A: Given : Moles of H2O=1 mol ∆fH=-286 kJ / mol CO(g)+2H2(g)⇔CH3OH(g) To find: Entropy change in…

Q: 2. SO2(g) + O2(g), AH°25°C = +99.2 kJ and AS°25°C = +93.94 J/K. Is the reaction spontaneous at 25°C?…

A: The question is based on the concept of spontaneity of the reaction. if Gibbs free energy change of…

Q: Determine the amount of free energy of the reaction at 25 ℃ represented by the equation below. Is…

A: ∆G° = ∆H° - T∆S°  So in this reaction first determine ∆H° and ∆S° then determine ∆G°  If ∆G° < 0…

Q: The standard enthalpy change and standard entropy change for the reaction are: AHP = -1036.0 kJ mol1…

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Q: The total entropy of a pure, perfect crystal at Absolute Zero is zero.  This represents __. A) the…

A: 1.  According to third law of thermodynamics, the entropy of any pure crystalline substance…

Q: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the…

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Q: Acetone, CH3 OCOCH3, is a fragrant liquid that is used as a solvent for lacquers, paint removers,…

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Q: Consider the reaction for the decomposition of carbon tetrachloride gas:CCl4(g)¡C(s, graphite) + 2…

A: (a) The given reaction is, CCl4g→Cs,graphite+2Cl2g ∆H=+95.7 kJ∆S=+142.2 J/KT=25°C=25+273K=298 K

Q: 2.) Use the standard enthalpy values in Appendix 2 to calculate the standard entropy changes for the…

A: Entropy changes for the following reactions are:   ∆Sreaction° = ∑n×S°product - ∑ n×S°reactant

Q: Methanol, CH3OH , is formed from methane and water in a two‑step process. Step 1:…

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Q: The enthalpy and entropy changes for a reaction at 298 K are ∆H = 46 kJ and ∆S = 190 J/K. Which of…

A: Spontaneity of any reaction is defined by the value of ΔG of the reaction. The reaction will be…