Answered: O(g) + e–(g) --> O–(g) ∆Hº = –142 kJ…

O(g) + e–(g) --> O–(g) ∆Hº = –142 kJ mol–1 O(g) + 2 e–(g) --> O 2– (g) ∆Hº = +702 kJ mol–1 What is ∆Hº for the following reaction? O–(g) + e–(g) --> O 2– (g)

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter10: Entropy And The Second Law Of Thermodynamics

Section: Chapter Questions

Problem 10.46PAE: 10.46 Discuss the effect of temperature change on the spontaneity of the following reactions at 1...

See similar textbooks

Related questions

Q: Zn(s) + 2HCI(aq) ZNC12(aq) + H2(g) + 153kJ For this reaction at 25°C, · Change in enthalpy: [ Select…

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

A: The importance of Gibbs energy is that it gives information about the spontaneity of the reaction or…

Q: Mg(s) + 2HCI(aq) → MgCl, (aq) + H2(g) + 1550kJ For this reaction at 25°C • Change in enthalpy: […

A: The reaction given is, =>

Q: Predict which substance has greater molar entropy. Explain.(a) CH3OH(l) or C2H5OH(l) (b)…

A: Standard molar entropy termed as the degree of randomness oof one mol of a sample under standard…

Q: Given the reaction: NO2(g) NO(g) + O2(g) (H = +62 Kj), if the temperature is increased, the…

A: Given ;- NO2(g) <-----> NO(g) + O2(g) H = +62 kJ statement : if the temperature is…

Q: Would you expect O2(g) → 2O(g) to have a positive or a negative ΔH? Explain.

A: Bond dissociation energy is the Energy required to break a bond in molecule. The stronger the bond…

Q: (Q73) If both the enthalpy change and the entropy change for a certain process have negative values,…

A: We know that ∆G=∆H-T∆S Where ∆G is gibbs energy. ∆H is enthalpy chnagr and ∆S is entropy change For…

Q: has

A: We wil use Clausius clapreyon Equation

Q: 31. Without doing any calculations, determine the sign of ASy, for each chemical reaction. a. 2…

Q: Calculate the change in entropy that occurs in the system when 45.0 g of acetone (C3H6O) freezes at…

A: The given mass of acetone = 45.0 g The molar mass of acetone = 58.08 g/mol The moles of acetone are…

Q: Br () H Pd on C (a) () NANO, HCI, 0-5 °C () CUCN NO2 KMno, (b) heat Pd(OAc), PPh, (c) -B(OH Na,Co,…

Q: Using the following data reactions: DH° (kJ) H2(g) + Cl2(g) ® 2HCI(g) -184 H2(g) ® 2H(g) Cl2g) ®…

A: Bond energy is defined as the energy required to separate an isolated molecule (i.e., in gas phase)…

Q: K (s) + ½Cl, (g) → KCI (s) AH° = – 437 kJ/moln 14. It is observed that the reaction producing KCl…

A: The spontaneous nature of the reaction is determined by calculating the change of free energy of the…

Q: Calculate Kc at 127 °C for the following reaction: N2O4 (g) ⇋⇋ 2 NO2 (g) Kp = 47.9 at 127…

A: Relation between Kp and Kc: Kp = Kc (RT)∆n Where, ∆n = Number of product molecules - number of…

Q: what energy change occurs when 2.2 moles of methane (CH4) reacts?

Q: Zn(s) + 2HC1(aq) → ZnCl2 (aq) + H2 (g) + 153kJ For this reaction at 25°C, • Change in enthalpy: […

A: The reaction given is,

Q: Which of the following is a quantitative measure of disorder? a.Free Energy B.Enthalpy C.Entropy…

A: Which of the following is a quantitative measure of disorder?

Q: What is the entropy change (in J/K) associated with the formation of 15.0 g of SO2 for the reaction…

Q: Calculate AH for the following reaction: 5C+6 H, → C,H,2 Given the following information: | C,H2 + 8…

A: The enthalpy of a reaction is equal to the difference in the enthalpy of product and reactant. It is…

Q: Predict whether the entropy change of the system in 2 H2 (g) + O2 (g) —> 2 H2O (l) is positive or…

Q: TRUE OR FALSE? 1. Entropy changes cannot be measured with a calorimeter like enthalpy changes. 2.…

A: 1. False Entropy change can be calculated from Calorimeter by using equation as follows; ∆S =…

Q: Hydrogen peroxide (H2O2) decomposes according to the equation…

A: Welcome to bartleby ! Introduction : We have to calculate Kp for this reaction .

Q: Does

A: 1- If temperature is constant but pressure will changed then entropy is inversely proportional to…

Q: Calculate AHxn for the reaction: 2H,0(1) → 2H2(g) + O2(g) Use the following information: H,0(g) →…

Q: The combustion of glucose is given by the reaction C6H12O6 (s) + 6O2 →6H2O(l)+6CO2 (g) The heats…

Q: Increase or decrease in entropy? a. 2NH3 (g)  N2 (g) + 3H2 (g) b. making dry ice from CO2 gas c.…

Q: K (s) + ½Cl, (g) – KCI (s) AH° = – 437 kJ/molpn 14. It is observed that the reaction producing KCl…

A: Given reaction is having formation of KCl from its elementary reactants.

Q: Cells use the hydrolysis of adenosine triphosphate (ATP) as a source of energy. The conversion of…

A: C6H12O6+6O2→6CO2+6H2OGibbs free energy, ∆G° =∆G0product-∆G0reactant…

Q: 9. Calculate AH., for the chlorination of methane to form chloroform. rxn C-H (413 kJ/mol), Cl-Cl…

A: Given : B.E(C-H) = 413 KJ/mol B.E(Cl-Cl) = 243 KJ/mol B.E(C-Cl) = 339 KJ/mol B.E(H-Cl) = 427…

Q: The reaction CBr4(g) + H2(g) → CHBr3(g) + HBr(g) occurs at room…

A: Entropy change is represented by ∆S. It specifies the randomness of a particular system. Entropy…

Q: Consider the dissociation of Hydrogen Sulfide: 2 H2S (g) = 2 H2(g) + S2 (g) (endothermic reaction)…

A: The dissociation process is endothermic at the medium where high temperature and high pressure and…

Q: Given these values, ΔHorxn = +75 kJ; ΔSorxn = +120 J/K; T = 298 K; calculatethe free energy change…

Q: Find the free energy change for the reaction below, 2 AgNO3 (s) + SO2 (g) →…

Q: when is the process endo thermic or exothermic! *71f the energy change is sio KJ -7 it the energy…

Q: Define the term entropy in thermodynamics. (ii) In what way entropy is related to third law of…

A: ANSWER

Q: Without doing any calculations, determine the sign of ΔSsys for each chemical reaction.a. Mg(s) +…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Calculate ΔrH° for the combustion of methane gas, CH4 : CH4(g) + 2 O2(g) → CO2(g) + 2…

A: The standard enthalpy change for the formation of one mole of a compound from its elements in their…

Q: CH1206(s)→3 CH,(g) + 3 CO,(g) AH=-132. kJ Use this information to complete the table below. Round…

A: Solution- Given-C6H12O6 (s)→ 3H2O (g)+ 3CO2(g)∆H=-132 J/molbelow given reaction is double of above…

Q: Acrylonitrile, an important starting material for the manufacture of plastics and synthetic rubber,…

A: we are required to estimate the energy change occurred during the synthesis of acrylonitrile

Q: Calculate ΔH for 2 NO(g) + O2(g) ------>N2O4(g), using thefollowing…

A: Given,

Q: Which has lower entropy? CO2(g) or CH4(g)?

Q: Without doing any calculations, match the following thermodynamic properties with their appropriate…

A: Spontaneity of reaction is governed by its associated enthalpy change, entropy change and absolute…

Q: Calculate the enthalpy change for the reaction 2K+ S K28 using the following thermochemical…

A: Given 1)K + S -> KS Delta H = 32.5 KJ 2) KS + K -> K2S Delta H = 38.2 KJ To…

Q: Consider the reaction: 2 H,0(g) → 2H,(g) + 0,(g) If 2.0 moles of H2O(g) are converted to H2(g) and…

A: Step : 1 Calculate the change in internal energy for the reaction.

Q: 5.2) Calculate AE for the combustion of hydrogen chloride at 25°C. (The ideal gas constant R-8.314…

A: Given, the reaction for the combustion of HCl at 25 ∘C: 4HCl(g) + O2(g) → 2Cl2(g) + 2H2O(g) We have…

Q: The value of ΔG° at 141.0°C for the formation of phosphorus trichloride from its constituent…

Q: C2H60 (1) + 3 02 (g) -> 2 CO2 (g) + 3 H2O (g) Calculate the AH in kJ for the combustion of ethanol…

A: ΔHrxn is calculated by substraction of total bond energy of reactant and total bond energy of…

Q: Which one of the following processes is exothermic? A 0:(g) → O(g) B O(g) + e → O²(g) C (g) + e →…

Q: Describe how you would calculate ∆G0′ for the reaction: glucose + 6 O2 = 6 CO2 + 6 H2O. If you were…

Q: 10.43 Which reaction occurs with the greater increase in entropy? Explain your reasoning (a) 2 NO(g)…

A: In nature, every processes have an inclination to progress to a state of larger randomness. The…

Question

O(g) + e^–(g) --> O^–(g) ∆Hº = –142 kJ mol–1

O(g) + 2 e^–(g) --> O ^2– (g) ∆Hº = +702 kJ mol–1

What is ∆Hº for the following reaction?

O^–(g) + e^–(g) --> O^2– (g)

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

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

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

10.46 Discuss the effect of temperature change on the spontaneity of the following reactions at 1 atm. (a) Al2O3(s)+2Fe(s)2Al(s)+Fe2O3(s) H = 851.5kJ; S =38.5 J/K (b) N2H4(l)N2(g)+2H2(g) H =-50.6 kJ; S= 0.3315 kJ/K (c) SO3(g)SO2(g)+12O2(g) H = 98.9 kJ; S= 0.0939 kJ/K
What determines Ssurr for a process? To calculate Ssurr at constant pressure and temperature, we use the following equation: Ssurr = H/T. Why does a minus sign appear in the equation, and why is Ssurr inversely proportional to temperature?
1. Describe how you would calculate ∆G0′ for the reaction: glucose+ 6 O2 = 6 CO2 + 6 H2O. If you were told that this reaction is highlyexergonic, what would be the arithmetic sign (negative or positive)of the ∆G0′ you would expect for this reaction?
What is Keq at SATP for the reaction whose ∆Gº = 20.5 kJ? (R=8.314 J/mol-K) 2.55x10-4 1.01 0.981 5.32x10-9
How do you find the order for [O2]?
Calculate delta H for the following rection, FeO + CO = Fe + CO2 from the following data: Fe2O3 + 3CO --> 2Fe +3CO2 Delta H= -23 kJ 3Fe2O3 + CO --> 2Fe3O4 +CO2 Delta H= -39 kJ Fe3O4 +CO --> 3FeO +CO2 Delta H= +18 kJ
What is the energy change (in kJ) when 0.487 kilograms of diethyl ether (C4H10O) is condensed from a gas at 34.6°C (its boiling point) to a liquid at the same temperature? The ΔHvaporization for diethyl ether = 26.0 kJ/mol.
Calculate the standard free energy, ΔGo, for the following equation at 25.0 oC and determine if the reaction is favorable or unfavorable. C2H6(g) + 7Cl2(g) ⟶ 2CCl4(g) + 6HCl(g) Group of answer choices 720.2 kJ/mole, unfavorable -656.2 kJ/mole, favorable 720.2 kJ/mole, favorable -720.2 kJ/mole, unfavorable 19.7 kJ/mole, favorable -656.2 kJ/mole, unfavorable 656.2 kJ/mole, favorable -19.7 kJ/mole, favorable -720.2 kJ/mole, favorable -19.7 kJ/mole, unfavorable 656.2 kJ/mole, unfavorable 19.7 kJ/mole, unfavorable
Which has lower entropy? CO2(g) or CH4(g)?
Given the following equation, N2O(g) + NO2(g) → 3 NO(g) ΔG°rxn = -23.0 kJ Calculate ΔG°rxn for the following reaction. 3 NO(g) → N2O(g) + NO2(g) A) -23.0 kJ B) 69.0 kJ C) -69.0 kJ D) -7.67 kJ E) 23.0 kJ
Calculate the equilibirum constant (Keq) for formation of glucose-1-phosphate at 37°C according to the chemical reaction Glucose + HPO4 2- ----> Glucose-1-phosphate + H2O
Cells use the hydrolysis of adenosine triphosphate (ATP) as a source of energy. The conversion of ATP to ADP has a standard free-energy change of -30.5 kJ>mol. If all the free energy from the metabolism of glucose, C6H12O61s2 + 6 O21g2 ¡ 6 CO21g2 + 6 H2O1l2 goes into the conversion of ADP to ATP, how many moles of ATP can be produced for each mole of glucose?