Answered: b Consider the reaction: Ca(s) +2…

b Consider the reaction: Ca(s) +2 H20(1) →Ca(OH)2(aq) +2H2(g) AHF°(kJ/mol) -285.83 -1002.82 -- S°(J/K)-mol 41.59 69.95 -74.5 130.7 Is the reaction spontaneous at 298 K? AH° = -431.16 AS° = 5.41

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s)→ Na2CO3(s) + CO2(g) + H₂O(g)…

Q: Consider the reaction at 298 K. 2 C(graphite) + O2(g) 2 CO(g) AH° = -221.0 kJ/mol > Calculate the…

Q: Consider the reaction in the Haber process 3H2 (g) + N2 (g) → 2NH3 (g)where delta H° = -91.8 kJ/mol…

A: The spontaneity of a reaction can be predicted by Gibbs free energy change. Write the expression of…

Q: 2. The values of AH°(rxn) and AS°(rxn) for the reaction 2 NO(g) + O:(g) →2 NO:(g) are -12 kJ and…

A: Given: ∆H°rxn=-12 kJ=12×103 J∆S°rxn=-146 J/KT=298 K To find: (a) Whether the reaction is spontaneous…

Q: phase change of water from liquid to gas at 25.0°C. H2O (l) --> H2O (g) b) Is this phase…

Q: Show by calculation, using a table of thermodynamic data, whether dissolving lead(II) chloride PbCl,…

A: Answer is given below

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

Q: 13) Calculate AG° spontaneous in each case? for the reaction above at a) -50.0 °C and at b) 675 °C.…

Q: Use the data in table 4 to calculate the ΔH⁰ and ΔS⁰ for the dissolution of KNO3. Show your workwith…

A: The problem is asking us to calculate the enthalpy change (ΔH⁰) and entropy change (ΔS⁰) for the…

Q: AH-2044 kJ and AS-103 J/K For reaction: C₂H₂(g) + 5O₂(g) + 3 CO₂ (g) + 4H₂O(g) ta) Calculate AG at…

Q: At 25°C, AG° = +31.2 kJ for the reaction, Ag2CO3(s) → Ag20(s) + CO2(g). Is this reaction spontaneous…

A: Given data: Standard free energy ∆Go=31.2 kJ Temperature T = 25o C = 298 K Pressure P = 0.10 atm…

Q: 39 of 48 Which reaction is spontaneous at SATP? O AH=62.5 kJ, AS -1.25 J/K O AH--10.1 kJ, AS=-49.6…

Q: Which of the following reactions correctly depict reactants and products in the correct state to…

A: In the reaction, states of matter was written as a subscript to the molecules which takes part in…

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

A: Given information, ∆H° = -752.2 kJ ∆S° = -351.6 J/K (at 298.15 K)

Q: Which of the reactions are spontaneous (favorable)? O 2 H,O(g) 2 H,(g) + 0,(g) AG = 457 kJ/mol %3D O…

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

Q: From the values of AH and AS, predict which of the following reactions would be spontaneous at 25°C:…

A: ★ Reaction -A : • non spontaneous

Q: I Determine AG° of the following reaction using: EAG° and Gibbs equation. Is the reaction…

A: Free energy of a reaction helps in determining the spontaneity of the reaction. Negative free energy…

Q: 2) Consider the following information AH = -40.5 kJ; AS = 342.1 J/K 40°C A+B→C (a) Just by looking…

A: ΔG ΔH ΔS Spontaneous at all temperature - + Spontaneous at low temperature - -…

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

Q: If AS at 25°C sys =-198.3 J/K, is the reaction spontaneous N2 + 3H2 → 2NH3 • AS univ = AS sys + AS…

A: The enthalpy change of the reaction (ΔH reaction) can be calculated using the…

Q: For an imaginary reaction below AG = 22.0 KJ, AH° = +62.4 KJ, and AS° =+152.2 J/K. Estimate the…

Q: For the reaction, 2 SO₂(g) + O₂(g) → 2 SO3(g) AG rxn is 142 kJ. In which direction is the reaction…

A: The feasibility of any reaction towards the products or reactants is determined by the sign of ΔG of…

Q: Determine if the synthesis of sulfuric acid is a spontaneous reaction at 25°C. Chemical Equation: S+…

A: The enthalpy of a reaction is the amount of energy released or gained during the course of a…

Q: Consider the following thermochemical equation: H2O2(1) H2O(1) + %02(g) AH= -98.2 kJ When is this…

Q: Given the AH° and AS°, calculate the AG° values for the following reactions and indicate whether the…

Q: Given the following data, predict whether the reaction below is spontaneous at 25°C: NO2(9) + N20(9)…

A: The given reaction is as follows: NO2(g) + N2O(g) →3NO(g) The ∆rG° of the reaction can be calculated…

Q: This industrial chemical reaction process generates nitrogen monoxide, an important component in the…

A: The question is based on the concept chemical thermodynamics. We have been given chemical…

Q: Use the data in table 4 to calculate the ΔH⁰ and ΔS⁰ for the dissolution of KNO3. Show your workwith…

A: The problem is asking us to calculate the enthalpy change (ΔH⁰) and the entropy change (ΔS⁰) for the…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: Given data :

Q: For each reaction, calculate AH AS, and AG at 25 °C and state whether or not the reaction is…

A: To find out the value of ΔHrxn°, ΔSrxn° and ΔGrxn° at 25°C that is 298 K and also predict whether…

Q: Directions: Given the AH° and AS°, Calculate the AG° values for the following reactions and indicate…

Q: assuming the enthalpy doesn't change, if the temperature of these systems is increased, is the…

A: The rate of a reaction is usually enhanced by increasing the temperature. But this not true for all…

Q: Consider the following reaction: 2NO(g) + O2(g) = 2NO2(g) Calculate AG for this reaction at 126 °C…

A: The objective of the question is to calculate the Gibbs free energy change (ΔG) for the given…

Q: Use the data given here to calculate the values of AGixn at 25 °C for the Compound AG; (kJ/mol)…

A: A + B ↔ C∆Gf0 (A) = +387.7 kJ/mole∆Gf0 (B) = -524.8 kJ/mole∆Gf0 (C) = +402.0 kJ/mole

Q: A Moving to another question will save this response. Question 8 Show why, reaction (b) is…

Q: A chemical engineer is studying the two reactions shown in the table below. In each case, he fills a…

A: The problem is asking us to calculate the missing values of ΔG for the first reaction and ΔS for the…

Q: 1. From the data in the Appendix of Open Stax, calculate AH°, AS°, and AG° for the following…

A: For a given reaction , ∆H° , ∆S° and ∆G° can be calculated using standard formation values of each…

Q: At 25°C, the reaction N2(g) + 3 H2(g) - -> 2 NH3(g) is extremely slow, although thermodynamics shows…

A: Data

Q: find the temperature in K above which a reaction with a delta H of 195.7 kJ/mol and 58.7 deltaS J/K…

A: For a reaction to be spontaneous, the value of should be negative i.e. . The given problem can be…

Q: For a given reaction AH= -11.8 kJ/mol and AS= -207 J/mol-K at 55°C. Is the reaction spontaneous at…

A: Given: ∆H=-11.8 kJ/mol∆S=-207 J/mol·KT=55°C

Q: Calculate ΔΔG° for the reaction below at 25.0°C CS2(g) + 3Cl2(g) → S2Cl2(g) + CCl4(g)…

A: Applying formula ∆G = ∆H - T∆S

Q: The following reaction is spontaneous at room temperature.

A: Since we know that a spontaneous reaction is the reaction which occurs on it own without any outside…

Q: The following reaction for the production of hydrogen cyanide is spontaneous under standard…

A: In given reaction , formation of HCN is a endothermic process.

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

Q: If AS at 25°C sys =-198.3 J/K, is the reaction spontaneous N2 + 3H2 → 2NH3 • AS univ = AS sys + AS…

A: The enthalpy change of the reaction (ΔH reaction) can be calculated using the…

Question

b Consider the reaction:
Ca(s) +2 H20(1) →Ca(OH)2(aq) +2H2(g)
AHf°(kJ/mol)
-285.83
-1002.82
S°(J/K)-mol
41.59 69.95
-74.5
130.7
Is the reaction spontaneous at 298 K?
AH° = -431.16
AS = 5.41
AG° = -432.77
O Yes
O No

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Introduction

VIEW

Explanation

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Consider the reaction 2 SO2 (g) + O2 (g) <-> 2 SO3 (g) at 298 K. What is Go for this reaction? What is G when the partial pressures are P of SO2 = 1.0 x 10^-4 atm, P of O2 = 0.20 atm, and P of SO3 = 0.10 atm? Is the reaction spontaneous under the conditions in (b)? Why or why not?
Select the single best answer. For the following, identify the process as a spontaneous process, a nonspontaneous process, or an equilibrium process at the specified temperature: (Assume that the thermodynamic data in the appendix do not vary with temperature.) N₂O4(g) 2 NO₂(g) at 10.4°C This is a spontaneous process. This is a nonspontaneous process. This is an equilibrium process. Cannot be determined.
4
Use the data in table 4 to calculate the ΔH⁰ and ΔS⁰ for the dissolution of KNO3. Show your workwith annotated calculations.
If AS at 25°C sys =-198.3 J/K, is the reaction spontaneous N2 + 3H2 → 2NH3 • AS univ = AS sys + AS surr > ? AS surr (AHsys)/T Determine the AHrxn • AH° N2(g) = 0 kJ/mol • AH° H2(g) = 0 kJ/mol • AH°; NH3(g) = -46.19 kJ/mol
5-For the reaction, A+B C, AH-+30 kJ; AS°=+50 J/K.Therefore the reaction is: (a) spontaneous at all temperatures. (b) nonspontaneous at all temperatures. (d) irreversible at all temperatures (c) reversible at all temperatures 6- How much heat is necessary to convert 2mol of water at( 50°C) to steam at 150°C?The molar heat capacity of liquid water and steam are 75.3 J/mol. K and 36.4 J/mol. K respectively. The heat of vaporization 40.7 KJ/mol. a-81400J 7- From the reactions: b-82.337KJ c-753J d-3641 e- none of them Cgraphia +2H2(g) → CHA(R) AH = -79.9KJ C(graphia + 2Cl2(g) → CCla AH = -139KJ H 20 + Cl₂00) → HCL) AH-92.3KJ 202) calculate AH, for the reaction CH ACE +4Cl2) a- (-615.1KJ) c-(-428.3KJ) 4HCI+CCI b-(-311.2KJ) d- none of them
For the reactionC(s,graphite) + O2(g)CO2(g)ΔG° = -394.2 kJ and ΔS° = 2.9 J/K at 252 K and 1 atm.The maximum amount of work that could be done by this reaction when 2.00 moles of C(s,graphite) react at standard conditions at this temperature is _____ kJ.
Under the conditions shown below for the following reaction. Fe2O3(s) + 3 CO(g) → 2 Fe(s) + 3 CO2(g) AG° = -28.0 kJ P(CO) = 4.2 atm, P(CO2) = 1.8 atm Calculate AGrxn at 298 K, and indicate if the reaction is more or less spontaneous under these conditions than under standard conditions?
One of the reactions that destroys ozone in the upper atmosphere is NO(g) + O3(g) ⇒ NO2 (g) + O2(g) Substance and State AGf (kJ/mol) NO(g) 87 NO₂(g) 52 0₂ (9) 0 03 (9) 163 a Calculate ΔG° (at 298 K) for this reaction. AG = -198 kJ b Calculate K (at 298 K) for this reaction. K =
On the basis of AG° for each of the following reac- tions, decide whether the reaction is spontaneous or nonspon- taneous as written. Or, if you expect an equilibrium mixture with significant amounts of both reactants and products, say 18.51 so. a. SO2(g) + 2H,S(g) → 3S(s) + 2H,O(g); AG° = –91 kJ b. 2H,O2(aq) O2(g) + 2H2O(I); AG° = -211 kJ
A reaction has AH°= 100 kJ/mol and AS°= 250 J/mol.K. Is the reaction spontaneous at room temperature? If not, under what temperature conditions will it become spontaneous?
4PCL, (g) P(g) + 6C1₂ (g) Al₂O₂ (s) + 3H₂(g) → 2Al(s) + 3H₂O(g) AH = 1207. kJ AS = 2852. AG = kJ J K -|: Which is spontaneous? this reaction the reverse reaction neither AH = 951. kJ J K AG= 11. kl Which is spontaneous? this reaction the reverse reaction neither