If a plot of ln(Ksp) vs. T gives a straight line with slope equal to 7.9 × 103 K and y-intercept equal to 9.8, what is ΔH° for the process?

Q: At what temperature does a process with [delta]H = +30. KJ and [delta]S = +300. J become…

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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: Calculate  ΔH⁰298   (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following…

A: Given,

Q: Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° = 205.9 J/K at 298.15 K.…

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Q: Which of the statements below is true for a reaction that is endothermic and leads to an decrease in…

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Q: H2 reacts with the halogens (X2) according to the reaction: (8)=x + (8)*H 2 HX(8) where X2 can be…

A: According to the second law of thermodynamics, the Spontaneity of a reaction can be determined by…

Q: Consider the reaction CH4(g) + 2O2(g)CO2(g) + 2H2O(g) for which H° = -802.3 kJ and S° = -5.200 J/K…

A: (1) The given reaction is: CH4(g)+2O2(g)→CO2(g)+2H2O(g) ΔHo = -802.3 kJ/mol ΔSo = -5.200 J/K.mol at…

Q: A reactions has ΔH°298 = 100 kJ/mol and ΔS°298 = 250 J/mol·K. Is the reaction spontaneous at room…

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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: Use the table of standard entropies below to calculate the entropy of the following reaction in…

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Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: What is the change in enthalpy at 25°C and 1 atm for the reaction of 5.00 mol of elemental iron with…

A: Iron reacts with oxygen to form iron(III) oxide. The equation for the balanced chemical reaction is…

Q: Calculate ΔH⁰298  (in kJ) for the process P(s) + 5/2 Cl2(g) → PCl5(g) from the following information

A: Hess's law :  This law states that " the change of enthaply in a chemical reaction is the same ,…

Q: Calculate ΔH° for the process Sb(s) + 5 2 Cl2 (g) ⟶ SbCl5 (s) from the following information: Sb(s)…

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Q: Many biochemical reactions that occur in cells require relatively high concentrations of potassium…

A: Here is your answer,

Q: Consider the reaction: 2 POCl3 (g) -> 2 PCl3 (g) + O2 (g) A) Calculate DGrxn° for the reaction…

A: Free energy helps us in determining whether the reaction is spontaneous or non-spontaneous. The…

Q: DeltaH=21 DeltaG=0.10115 Deltas=0.071 NaNO3 (s) → Na+ (aq) + NO3– (aq) 4. Looking at the chemical…

A: The given reaction is shown below. NaNO3s→Na+aq+NO3-aq

Q: How much heat is removed from the condensation of water at 25 C? Given the standard entropy of the…

A: A numerical problem based on chemical thermodynamics that is to be accomplished.

Q: 5.2 c  The diagram on the far left in the row showsa system before a process. Which of thediagrams…

A: According to first law of thermodynamics, the internal energy change of the system is equal to the…

Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

Q: Calculate ΔS° (J/mol-K) for the reaction below, given the thermodynamic data in the table. Report…

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Q: 2 Cr   +    3 F2   à   2 CrF3     spontaneous     nonspontaneous

A:

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

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Q: Which statement is true? All reactions for which DH <0 are spontaneous. O All reactions for which DS…

A: Correct answer is : All reactions for which ΔG &lt; 0 are spontaneous. Gibb's free energy change…

Q: The vaporization of a liquid at a certain temperature and pressure is spontaneous. For this process,…

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

Q: If there are two chemical reactions: #1 with change in Gibbs free energy of -25 kJ/mol; and #2 with…

A: #2 since it has a higher change in Gibbs free energy.

Q: The standard enthalpy change for the following reaction is 1.39x10* kJ at 298 K Mn304(s)3 Mn(s) + 2…

A: Hess's law:The enthalpy change of a reaction is equal to the sum of enthalpy changes in each step.

Q: Consider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

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Q: Reaction 1: 20F2 (g) → O2(9) + 2 F2 (9) AH=-49.4 kJ Reaction 2: N2 (g) + 202(g) → 2NO2 (g) AH=+66.4…

A: When the gibbs free energy change is positive then the reaction is spontaneous and when the gibbs…

Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J&gt;K.Is the reaction spontaneous…

A: For a reaction is given by, ∆G=∆H - T∆S where ∆H is the heat of enthalpy, T is the temperature and…

Q: Consider the reaction N2(g) + 2H2O(1)–→2NO(g) + 2H2(g) for which AH° = 752.2 kJ and AS° = 351.6 J/K…

A: The given reaction is : N2(g)  +  2H2O(l)  →  2NO(g)  +  2H2(g)For the above reaction :∆H°=752.2 kJ…

Q: calculate the free energy change (in kJ) of a reaction at 466.4K that has an entropy change of…

A: Given,    ΔS = 692.2 J/K   = 0.6922 kJ/K   ΔH = - 4.24 kJ    T = 466.4 K Free energy change ( ΔG )…

Q: 1. Calculate the change of enthalpy (in kJ) for each of the following processes: A. Melting 1.50…

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Q: 23. In a reaction, the change in entropy is given as 2.4 cal/K and the change in Gibbs free energy…

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

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

Q: drug used to treat hypertension undergoes a decomposition reaction to give an insoluble product.…

A: Given :  ∆H = 54.1 kJ mol-1  Since , 1 kJ = 1000 J  =&gt; ∆H = 54.1 x 1000 = 54100 J mol-1 ∆S =…

Q: A 4.20 g of ice at 0 0C is melted on the surface of a 35.0 g of aluminum metal surface which is…

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Q: Classify each of the reactions according to one of the four reaction types summarized in the table…

A: a) The reaction and data given is,

Q: Consider the following thermodynamic data which refer to 298 K. Substance SO2(g) Cl2(3) SO2CI2(g)

A: Hess's Law: The enthalpy and entropy changes of a reaction is calculated by using Hess's law, it is…

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: Use the Standard Thermodynamic Properties table to calculate AH following reaction: B2H6 (g) + 3 02…

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Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

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Q: Consider the reaction Ca(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l) for which H° = -30.20 kJ and S° =…

A: Given reaction is : Ca(OH)2(aq) + 2 HCl(aq)→CaCl2(s) + 2 H2O(l)  H° = -30.20 kJ   S° = 205.9 J/K…

Q: Consider the reaction 6CO2(g) + 6H2O(1)–C¢H12O6 + 602(g) for which AH° = 2.801×10° kJ and AS° =…

A: The given reaction is : 6CO2(g)  +  6H2O(l)  →  C6H12O6  +  6O2(g)∆H°=2.801×103kJ and ∆S°=-259.0 J/K…

Q: Calculate the standard change in Gibbs free energy of the following reactions at Standard Ambient…

A: At SATP, Pressure, P = 1 atm Temperature, T = 25 °C                          = (25 + 273.15) K…

Q: How much heat is removed from the condensation of water at 25°C? Given the standard entropy of the…

A: In this question we need to find out latent heat of vaporization. Let us solve this step by step.

Q: (s) + Fe²"(aq) = Co³*(aq) + Fe(s) E =-0.16 V reaction is spontaneous if [Co2*y[Fe2+1 > 3.91x10-6…

A: The reaction is spontaneous when Ecell &gt; 0

Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the ΔG°f…

A: GIVEN: Chemical equation: To solve: Standard change in gibbs free energy=? Solution:

Q: Why does water spilled on the floor evaporate even though ΔG0  for the evaporation process is…

A: Because ordinary conditions are not standard conditions and standard gibbs free eenrgy applies only…

Q: Consider the reactionCa(OH)2(aq) + 2HCl(aq)CaCl2(s) + 2H2O(l)for which H° = -30.20 kJ and S° = 205.9…

A: