From this reaction 2NO(g) + 2H₂(g) à N₂(g) + 2H₂O(1), NO H2 N2 Sᵒ (J/mol K) 75.10 191.5 192.3 AH°f -283.74 0 0 (kJ/mol) What is the net entropy change (in J/K) of the universe? H20 189.0 -373.57

From this reaction 2NO(g) + 2H₂(g) à N₂(g) + 2H₂O(1), NO H2 N2 Sᵒ (J/mol K) 75.10 191.5 192.3 AH°f -283.74 0 0 (kJ/mol) What is the net entropy change (in J/K) of the universe? H20 189.0 -373.57

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: For a particular reaction, Δ?∘=20.1 kJ/mol and Δ?∘=45.9 J/(mol⋅K). Assuming these values change very…

Q: The equation for the corrosion of iron to form iron (III) oxide (aka, rust) is: 4 Fe(s) + 3 O2(g) -à…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: According to the question about the formation of ammonia we have, The Change (decrease) in the…

Q: Consider the balanced reaction 3 A + 7 B → 3 C + 7 D and the absolute entropies provided in the…

Q: Calculate the free-energy change of the following reaction at 350°C and standard pressure. Values in…

A: Reaction: C2H4(g) + 3O2(g) → 2CO2(g) + 2H2O(g) Given:

Q: 2 H2(g) + O2(g) → 2 H2O(l) HCl(g) → H+(aq) + Cl-(aq) Na(s) + 1/2 Cl2(g) → NaCl(s) What is right?…

Q: The element mercury, Hg, is a silvery liquid at room temperature. The normal freeing point of…

A: In this question, we want to determine the ∆S value means entropy change in J/K unit. You can see…

Q: Determine ΔH°rxn at 25 °C for the reaction 2 NOCl(g) → N2(g) + O2(g) + Cl2(g) given that the…

A: Given, balanced chemical reaction as follows,2 NOCl(g) → N2(g) + O2(g) + Cl2(g)standard heat of…

Q: 1.) Consider the following reaction: 2 AB (g) + B2(g) → 2 AB2(g) AH° = -485.0 kJ/mol a.) Do you…

A: a) ∆Ssys = negative Explanation : 1) First reason is, this reaction is exothermic reaction because…

Q: 4. Using the thermodynamic information at 25.0°C provided answer the questions below. 2Al(s) +…

A: Dear student , since you have posted multiple parts questions we will allow to solve only first…

Q: Calculate the entropy of the equation below: CaCO3(s) → CO2(g) + Cao (s) CaCO3(s) = 92.9 J/K.mol…

A: The balanced chemical equation is: CaCO3(s) ---->CaO(s) + CO2(g)

Q: The heat of vaporization of carbon disulfide, CS2, at 25 C is 27.2 Kj/mol. What is the entrophy…

Q: The normal boiling point of ethanol (C2H5OH) is 78.3 °C and its molar enthalpy of vaporization is…

A: Given: The normal boiling point of ethanol (C2H5OH) = 78.3 °C Molar enthalpy of…

Q: ΔrS = 94.6 J K−1mol−1 ΔrH = 175.98 kJ/mol NH4Cl (s) → NH3 (g) + HCl (g) a) Calculate the ΔrG for…

A: #(d): Given the total pressure of the reaction mixture, Pt = 56 kPa

Q: What is the temperature range in which the following reaction is spontaneous? N₂+ 3H2 → 2NH3 S N2(g)…

A: The total entropy change (ΔS) for the reaction can be calculated using the formula: ΔS = Sproducts -…

Q: At 25°C, the formation of ammonia from its elements results in a decrease in entropy (∆SRXN = -197…

A: we have to calculate the value of ∆SUNIV

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

Q: Calculate the entropy change (in J/K) of the universe (AS universe) that takes place when phosphene…

Q: What is ΔH° for the following phase change? NaCl(s) → NaCl(l) Substance ΔH°f (kJ/mol) NaCl(s)…

A: Given NaCl(s) → NaCl(l)Substance ΔH°f (kJ/mol)NaCl(s) –411.12NaCl(l)…

Q: When heated, CaCO, decomposes into CaO and CO₂ according to the following equation: CaCO,(s)=CaO(s)+…

A: Given,CaCO3 (aq) + CO2 (g)

Q: What is ΔG°rxn in kJ/mol for the following reaction at 406 Kelvin? Please report 2 decimal places,…

Q: Calculate the change in entropy associated with the production of ammonia from nitrogen and hydrogen…

A: Solution: Change in entropy is the measure of degree of randomness or disorder in the system. It…

Q: What is the change in entropy when 0.600 g of water decomposes to form hydrogen gas and oxygen gas…

A: Given, 2H2O(l) ----> 2H2(g) + O2(g); Delta S° = 326.3 J/K at 298 K

Q: AH°rxn = -150 kJ/mol and AS°rxn = -413 J/mol* АВ (g) + 2C (g) > АВС2 (g) plied reaction data, what…

A: A reaction is spontaneous when value of change in Gibbs Free Energy is negative i.e. value of ∆G.

Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → CO₂(g)…

Q: What is the total entropy change when 1.50 mol of water (ΔHfus = 6.01 kJ/mol) freezes at 0.0 °C in a…

A: To calculate the total entropy change when water freezes, we need to consider the entropy change…

Q: Calculate ΔG rxn for the following reaction at 639.2 K if the reaction below has a ΔH o rxn of…

Q: Which of the following reactions indicates an increase in entropy?

A: In case of homogeneous gaseous reaction :- if number of gaseous moles of products are more than the…

Q: What is the entropy change when 2.50 moles of CCl₂F₂ vaporizes at 25.0 °C? [∆H(vap) = 17.2 kJ/mol at…

A: Given data is Moles of CCl2F2 vaporized = 2.50 ∆H(vap) = 17.2 kJ/mol at 25.0 °C

Q: The graph below shows the change in Gibbs free energy for two reactions. Change in Gibbs Free Energy…

A: According to Thermodynamics, ∆G>0 = non spontaneous ∆G< 0 = spontaneous ∆G = 0 , At…

Q: At what temperature does the following reaction become spontaneous? Is it spontaneous below this…

A: Given that delta S is -144.7J/K and the value of delta H is -1152 kJ. Since both values are…

Q: Using the thermodynamic data provided below, determine the temperature in °K at which the…

Q: 1: Above what temperature does the following reaction become nonspontaneous? FeO(s) + CO(g) → →…

Q: Which reaction is most likely to have a decrease in entropy? O NaCl(s) → Na*(aq) + Cl(aq) O 2 NH3(g)…

A: When the reaction shows the positive entropy change then the reaction is spontaneous.

Q: Determine AS° for 2 03(g) → 3 02(g). Substance S° (J/mol·K) Оз (9) 239 О2 (9) 205

A: Degree of disorder in a particular system is termed as entropy. Given: Entropy of O3 (g) = 239…

Q: Calculate the standard free energy change (kJ/mol) for the reaction shown at a temperature of 298.15…

Q: Calculate the change of the entropy of the system in J/K for the following phase transition:…

A: Given-> Weight of pentanol = 155.1 gm Molar mass of pentanol = 88.15 g/mole Enthalpy of…

Q: For the reaction 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ. Which of the following is true?…

A: The given reaction is, 2 NH3 (g) --> N2 (g)+ 3 H2 (g) , ∆H = +92 kJ ∆H is positive, that means…

Q: What is the entropy change, in J mol-1 K-1, when 100.0 g of water boils at 100.0 oC?…

A: ∆Hvap= 40.7 kJ/mol = 40.7 × 1000 J/mol Water boils at 100°C = 373 K For the vapourization of water,…

Q: What is the lowest temperature at which the reaction of C(s) with H2O(g) to produce H2(g) and CO(g)?…

A: The lowest temperature would be 981..3153°C.

Q: If ΔS ̊sys = -198.3 J/K, is the reaction spontaneous at 25 ̊C. -ΔSuniv = ΔSsys + ΔSsurr > ? -…

A: Enthalpy change of the reaction can be calculated as the difference between the enthalpy of…

Q: What is the change of entropy in the vaporization of 5 grams of ice cube at 0C to steam at 100 C.…

A: The degree of randomness of the system is called entropy. Specific heat capacity of water(c)=…

Q: Which reaction below is spontaneous at low temperatures and nonspontaneous at high temperatures? O…

Q: N2 (9) + 3H2 (9) + 2NH3 (9) does favor formation of products at room temperature but does not favor…

A: Answer

Q: Which reaction(s) will be spontaneous at all temperatures? : 4NH3(g) + O2(g) → 2N2(g) + 6H2O(g) ΔrH…

A: For a chemical reaction to be spontaneous, Gibbs free energy, ∆rG should be negative. ∆rG is…

Q: Calculate the free energy change in J/mole*K of the following reaction. 3 NO2(g) + H2O(l) => 2…

Q: Vhat is the standard free-energy change, AGº, for the following reaction at 44.5 °C? N2(g) + 3H2(g)…

A: For any reaction, the standard free energy change is given by ΔG0 = ΔH0 - TΔS0 And since the ΔH0…

Q: Use the table below to answer the questions that follow.Thermodynamic Quantities for Selected…

A: The difference between the entropy of products and the reactants is known as change in entropy of…

Question

From this reaction 2NO(g) + 2H₂(g) à N₂(g) + 2H₂O(1),
NO
H2
N2
Sᵒ (J/mol K)
75.10
191.5
192.3
AH'f
-283.74
0
0
(kJ/mol)
What is the net entropy change (in J/K) of the universe?
H20
189.0
-373.57

Expert Solution

This question has been solved!

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

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps with 3 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

Consider the following reaction: 2 H,S(g) + 30,(g) –- 2 H,O(g) + 2 SO,(g) and the following table of standard enthalpies of formation and standard absolute entropies: compound AH (kJ mol") s° (JK' mol") H,S(g) -20.6 205.8 02(g) 205.2 H2O(g) |-241.8 188.8 So,(9) |-296.8 248.2
Determine the standard entropy of N2(g) given the following information: N2(g) + 3H2(g) = 2NH3(g); AS = - 198.3 J/ K Substance S°(J/mol · K) H2(g) 130.6 NH3(g) 192.5 N2(g) ? +260.2 J/K -260.2 J/K +191.5 J/K -191.5 J/K +93.9 J/K
Chemistry Above what temperature does the following reaction become non-spontaneous? 2 H₂S(g) + 3 O₂(g) → 2 SO₂(g) + 2 H₂O(g) AH = -1036 kJ; AS = -153.2 J/K O 158.7 K This reaction is nonspontaneous at all temperatures. O 298 K This reaction is spontaneous at all temperatures O 6.762 × 103 K
Consider the following thermochemical equations. Reaction ΔrH° / kJ mol−1 HBr(g) ⟶ H(g) + Br(g) 365.7 H2(g) ⟶ 2 H(g) 436.0 Br2(g) ⟶ 2 Br(g) 193.9 What is ΔrH° for the reaction below? HBr(g) ⟶ ½ H2(g) + ½Br2(g) Give your answer in kJ mol−1, accurate to one decimal place. Kindly double check your solution.
3. Calculate the value of ΔSo for the formation of POCl3 from its constituent elements, as shown below. P2(g) + O2(g) + 3Cl2(g) → 2POCl3(g)
What is the entropy change when 1.90 moles of CHCl3 condenses at 61.0 °C? [AH(vap) = 29.6 kJ/ mol at 61.0 °C]
Calculate the standard free-energy changes for the following reactions at 25°C. CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) 2MgO(s) → 2Mg(s) + O2(g) Inorganic Substances Substance ΔHo (kJ/mol) f ΔGo (kJ/mol) f So (J/K·mol) CO(g) -110.5 -137.3 197.9 CO2(g) -393.5 -394.4 213.6 H2(g) 0 0 131.0 H2O(l) -285.8 -237.2 69.9 O2(g) 0 0 205.0 Organic Substances CH4(g) -74.85 -50.8 186.2 Mg(s) 0 0 32.5 MgO(s) -601.8 569.6 26.78 Table 1. Selected Thermodynamic Data at 1 atm and 25°C* *The ΔHof, ΔGof and S° values for ions are based on the reference states ΔHof (H+) = 0, ΔGof (H+) = 0, and S°(H+) = 0.
Calculate the entropy (in J/K) change when 186.8 g of liquid cyclohexane, C6H12, freezes at 6.47°C. The boiling point is 80.74°C, the melting point is 6.47°C, the enthalpy of vaporization is 32.0 kJ/mol, and the enthalpy of fusion is 2.68 kJ/mol for cyclohexane. Report your answer to 3 sig figs, but do NOT include units.
3. What change will increase the entropy of the system? Group of answer choices liquid to solid solid to gas gas to liquid gas to solid 2.ΔSsyst>0 for the following reaction: Group of answer choices A, 2NO (g) + O2(g) → 2NO2(g) B, HCl (g) + NH3(g) → NH4Cl (s) C, C3H8(g) + 5 O2(g) → 3CO2 (g) + 4 H2O (g) D, 2N2 (g) + 3H2(g) → 2NH3(g) E, Pb2+(aq) + 2Cl-(aq) → PbCl2 (s)
Use the data to calculate the standard entropy change for the following reaction: 5. S°[Mt(s)] 43.2 J/K mol Mt(s) + ½ O2(g) → MtO(s) S°[O2(g)] = 305.1 J/K-mol S°[MtO(s)] 62.6 J/K mol a) -133.2 J/K b) -285.7 J/K c) 285.7 J/K d) 133.2 J/K
Calculate the entropy (in J/K) change when 866.7 g of liquid cyclohexane, C6H12, freezes at 6.47°C. The boiling point is 80.74°C, the melting point is 6.47°C, the enthalpy of vaporization is 32.0 kJ/mol, and the enthalpy of fusion is 2.68 kJ/mol for cyclohexane. Report your answer to 3 sig figs, but do NOT include units.
I need an answer for this question. #2