For the reaction N2(g) + O2(g)→2NO(g) AH° = 181 kJ and AS° = 24.9 J/K AG° would be negative at temperatures (above, below) K. Enter above or below in the first box and enter the temperature in the second box. Assume that A H° and AS° are constant.

For the reaction N2(g) + O2(g)→2NO(g) AH° = 181 kJ and AS° = 24.9 J/K AG° would be negative at temperatures (above, below) K. Enter above or below in the first box and enter the temperature in the second box. Assume that A H° and AS° are constant.

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 3RQ: What determines Ssurr for a process? To calculate Ssurr at constant pressure and temperature, we use...

See similar textbooks

Related questions

Q: Consider the reaction below: CaCO3(s) + 2H3O+ (aq) H=15.3kJ Since AH is a positive v a Therefore,…

Q: For a reaction that is nonspontaneous at all temperatures, what must be true about its AH and AS? AH…

Q: 18. Calculate the heat of reaction at constant volume for 5.00 g C3H8 ,considering the following…

Q: A potential chemical reaction at 25.0 °C has a ΔHrxn of 163 kJ and a ΔSrxn of -354.3 J/K. What is…

A: Given Data:

Q: A reaction where DH is positive, and DS is positive will occur only at high temperatures True False

A: A reaction is spontaneous means it will occur if ∆G<0

Q: Determine the AU°reaction at 25 °C (in kJ/mol) for the following reaction: SİCI4(I) →Si(s) + 2C12(g)…

A: Internal energy (U) is the total amount of kinetic and potential energy possessed by the molecules…

Q: Which case is catalyzed in the following diagrams? 50 45 40 35 30 25 20 50 45 40 35 30 25 20 15 10…

A: The correct option is:

Q: If a reaction occurs rapidly it is spontaneous. True or false

A: A spontaneous reaction is defined as the reaction that favours the formation of the products without…

Q: Calculate AGxn for the given reaction at 700 K under the given conditions + 3 H₂(g) → 2 NH3(g) AGO =…

Q: The formation of CO from incomplete burning of graphite (with the limited amount of oxygen) is given…

Q: Calculate AG xn for the following reaction at 680.3 K if the reaction below has a AH ° xn of -9428.5…

Q: e) Is the following statement true or false? Justify your answer. “On the basis of the data in the…

A: e) The given statement is false Thermodynamic data for any overall reaction have no bearing on how…

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

Q: For the reaction CO2(g) + H2(g)CO(g) + H2O(g) H° = 41.2 kJ and S° = 42.1 J/K G° for this reaction…

A: Given reactionCO2(g) + H2(g) ----> CO(g) + H2O(g)H° = 41.2 kJ and S° = 42.1 J/K Numerically,…

Q: Consider the chemical reaction and thermochemical information and initial partial pressures of the…

Q: or the reaction CO2(g) + H2(g)CO(g) + H2O(g) H° = 41.2 kJ and S° = 42.1 J/K G° for this reaction…

A: The given reaction is, CO2g+H2g→COg+H2Og The value of H° is 41.2 kJ The value of S° is 42.1 J/K

Q: 7. 2NH,NOs12Ngi-1Ogg)+0(g) J=-20 kJ ml B. Under which conditions (always, never, high T, low T) will…

A: For a reaction to be spontaneous, change in gibbs free energy for the reaction must be negative (…

Q: The complete combustion of liquid benzene is represented by the equation: C,H;(1) + 7%0;(g) =…

A: The equation for the given reaction is as follows. C6H6l+712O2g⇔6CO2g+3H2Ol The available values are…

Q: Hint: No calculations are required. For the reaction 2C,H6(g) + 702(g)4CO2(g) + 6H2O(g) AH° =…

A: In this Question, we will Identify, at what temperature this reaction is Product favored ( means…

Q: 5.) Above what temperature does the following reaction become nonspontaneous? (hint: use: ΔG-ΔΗ-…

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

Q: When 1.00g of magnesium metal is burned to give magnesium oxide, 5.92 kj of heat are set free.…

A: Given that 1.0 g magnesium was burned to give magnesium oxide. Number of moles can be calculated…

Q: For the reactionCH4(g) + H2O(g)3H2(g) + CO(g)H° = 206 kJ and S° = 215 J/KG° for this reaction would…

A: If any reaction possesses -ve value for Delta G which reflects the value smaller than zero then the…

Q: Reaction A: glucose + fructose ⇒ sucrose Reaction B: ATP → ADP + Pi AG" = +27.0 kJ/mol AG= -30.5…

A: A reaction is spontaneous when the Gibbs free energy, ∆Go' is negative. A reaction is…

Q: For a reaction, ∆Ho = 363.0 kJ mol-1 and ∆So = 311.2 J K-1mol-1. Calculate the value of ∆Go kJ…

A: Given, ∆Ho = 363.0 kJ mol-1 . ∆So = 311.2 J K-1mol-1.…

Q: Reaction 1: FeO(s) + CO(g) → Fe(1) + CO2(g) AG" rzn > 0 Reaction 2: C(s) + CO2(g) → 2 CO(g) AG* rzn…

A: Gibbs free energy is also known as the Gibbs function. Gibbs energy, or free enthalpy, is a quantity…

Q: 12. The following process occurs naturally: C (diamond) C (graphite) AG° = -2.90 kJ/mol (a) Is this…

A: Graphite and diamond allotrops of carbon. They have different type of bonding and molecular…

Q: For the reaction Fe2O3(s) + 3H2(g)2Fe(s) + 3H2O(g) H° = 98.8 kJ and S° = 143 J/K G° for this…

Q: For which of the following reactions is AS less than zero? a) MgCO3 (s) --> MgO (s) + CO2 (g) b)…

A: Entropy is defined as degree of randomness is a system. It is denoted by S .

Q: 18. A reaction has AH° = +38.7 kJ/mole, AS° = 112 J/mol K, and AG° = +5.32 kJ/mole. Complete the…

A: Given : ΔHo = 38.7 KJ/mol = 38700 ( Since 1 KJ = 1000…

Q: Above what temperature does the following reaction become nonspontaneous? N2O4(g) + 4 H2(g)…

A: N2O4(g) + 4 H2(g) → N2(g) + 4 H2O(l) for the spontaneous reaction ;∆G= negative as we…

Q: The graphs above represent the changes in concentration over time for the reactant and product of…

A: The equilibrium of a reaction is defined as the condition when the rate of forward reaction is equal…

Q: Calculate the crossover temperature at which the reaction N2(g) + 3H2(g) > 2NH3(g) becomes…

Q: For the reaction 2 PbO (s) + 2 SO2 (g) 2 PbS (s) + 3 O2 (g), it can be calculated from AG°F values…

A: Using relation between ∆G and ∆G ° , we will calculate ∆G .

Q: At -8.15 °C the pressure equilibrium constant K, =3.8 for a certain reaction. Here are some facts…

A: We could have used the Van't Hoff isotherm equation to predict the Kp of the reaction at different…

Q: For the reaction H2(g) + C2H4(g)→C2H6(g) AH° = -137 kJ and AS° = -121 J/K AG° would be negative at…

A: We have to calculate the temperature above or below which the value of Delta G° is negative.

Q: Calculate the ∆G⁰reac value for the following reaction walking at 298 Kelvin. CO (g) + ½ O2 (g) ↔…

A: Given that, The required chemical reaction as follows --- CO (g) + ½ O2 (g) ↔ CO2 (g)…

Q: Hint: No calculations are required. For the reaction NH,CI(aq) NH3(g) + HCI(aq) AH° = 86.4 kJ and…

A: According to Gibbs free energy relation ΔGo = ΔHo − T ΔSo Where ΔG o= change in gibbs free…

Q: For the following reactions at cônstäfnt pre ΔΗ> ΔΕ. ΔΗ< ΔΕ, or ΔΗ ΔΕ. . a. 2HF(g) → H;(g) + F2(g)…

A: a. The stated reaction is, The expression for Δng is shown below, Δng = (Number of gaseous…

Q: Given the following information at 25°C, calculate AG" at 25°C for the reaction 2A(9) + B(9) → 3C()…

A: ∆G° = ∆H° - T∆S°were,∆G° =standard gibb's free energy ∆H° = standard enthalpy T = temperature∆S° =…

Q: __P4(s) + __Cl2(g) --> __PCl5(g) H°rxn = –1500 kJ In a reaction mixture of 0.22 g(P4)…

A: We are given an unbalanced reaction. So first we have to balance the equation. While balancing, we…

Q: For the reaction CH (g) + H,O(g)–3H2(g) + CO(g) AH° = 206 kJ and AS° = 215 J/K AG° for this reaction…

Q: For the reaction CO(NH2)2(aq) + H2O(I) → CO2lg) + 2NH3(g) AH° = +119.2 kJ and AS° = +354.8 JKWhat is…

A: Given, CO(NH2)2(aq) + H2O(l) ➝ CO2(g) + 2NH3(g) ∆H° = +119.2 kJ ∆S° = +354.8 JK-1 = 0.3548 kJK-1 K…

Q: Consider the following reaction: SO3(g) + CaO(s) = CaSO4(s). If AGº is -345 kJ/mol for this reaction…

Q: Product Reactant Product Reactant Time Time Reaction 1 Reaction 2 raphs above represent the changes…

A: As per the graph , Reaction 1 is product favoured and reaction 2 is reactant favoured .

Q: For the reaction N2(g) + O2(g)2NO(g) H° = 181 kJ and S° = 24.9 J/K G° would be negative at…

Q: For the reaction 2NO(g) + 2H2(g) N2(g) + 2H2O(1) AH° = -752 kJ and AS° = -352 J/K %3D !3! AG° would…

Q: For reaction Na2CO3(s) + 2HC(g) -> NaCl(s) + CO2(g) -> H20(l) ΔH is -144.1 KJ.…

A: The reaction and mole difference will be Na2CO3s + 2HClg →NaCls + CO2g + H2Ol∆n = Product moles -…

Q: In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon…

A: Given : CH4(g) + 2O2(g) → CO2(g) + 2H2O(l) ∆H = -890.0 kJ To calculate :- amount of…

Q: At 25oC, Ksp for copper(I) chloride (CuCl) is 1.0 x 10-6. Calculate Δ Go (kJ/mol) for the…

A: Given, Chemical Reaction :: CuCl(s) ⇆ Cu+(aq) + Cl-(aq) ∆G° = ?

Question

For the reaction
N2(g) + O2(g)→2NO(g)
AH° = 181 kJ and AS° = 24.9 J/K
AG° would be negative at temperatures (above, below)
K.
Enter above or below in the first box and enter the temperature in the second box. Assume that A
H° and AS° are constant.

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 1 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

Sodium reacts violently with water according to the equation Na(s) + H2O() NaOH(aq) + H2(g) Without doing calculations, predict the signs of rH and rS for the reaction. Verify your prediction with a calculation.
Given the following information at 25C, calculate G at 25C for the reaction 2A(g)+B(g)3C(g) Substance Hf(kJ/mol) S(J/molK) A(g) 191 244 B(g) 70.8 300 C(g) 197 164 a 956 kJ b 956 kJ c 346 kJ d 346 kJ e 1.03 103 kJ
Some water is placed in a coffee-cup calorimeter. When 1.0 g of an ionic solid is added, the temperature of the solution increases from 21.5C to 24.2C as the solid dissolves. For the dissolving process, what are the signs for Ssys, Ssurr, and Suniv?
9.83 A student performing a calorimetry experiment combined 100.0 mL of 0.50 M HCl and 100.0 mL of 0.50 M NaOH in a coffee cup calorimeter. Both solutions were initially at 20.0°C, but when the two were mixed, the temperature rose to 23.2°C. (a) Suppose the experiment is repeated in the same calorimeter but this time using 200 mL of 0.50 M HCl and 200.0 mL of 0.50 M NaOH. Will the T observed he greater than, less than, or equal to that in the first experiment, and why? (b) Suppose that the experiment is repeated once again in the same calorimeter, this time using 100 mL of 1.00 M HCl and 100.0 mL of 1.00 M NaOH. Will the T observed he greater than, less than, or equal to that in the first experiment, and why?
When ammonium chloride is added to water and stirred, it dissolves spontaneously and the resulting solution feels cold. Without doing any calculations, deduce the signs of G, H, and S for this process, and justify your choices.
For the reaction NO(g)+NO2(g)N2O3(g) , use tabulated thermodynamic data to calculate H and S. Then use those values to answer the following questions. (a) Is this reaction spontaneous at 25°C? Explain your answer. (b) If the reaction is not spontaneous at 25°C, will it become spontaneous at higher temperatures or lower temperatures? (c) To show that your prediction is accurate, choose a temperature that corresponds to your prediction in part (b) and calculate G . (Assume that both enthalpy and entropy are independent of temperature.)
Determine whether each of the following statements is true or false. (a) An exothermic reaction is spontaneous. (b) When G° is positive, the reaction cannot occur under any conditions. (c) S° is positive for a reaction in which there is an increase in the number of moles. d) If H° and S° are both negative, G° will be negative.
The reaction shown below is involved in the refining of iron. (The table that follows provides all of the thermodynamic data you should need for this problem.) 2Fe2O3(s)+3C(s,graphite)4Fe(s)+3CO2(g) (a) Find H for the reaction. (b) S for the reaction above is 557.98 J/K. Find S° for Fe2O3(s). (c) Calculate G for the reaction at the standard temperature of 298 K. (There are two ways that you could do this.) (d) At what temperatures would this reaction be spontaneous? Compound Hf (kJ mol-1) S° (kJ mol-1) Gf (J mol-1 K-1) Fe2O3(s) -824.2 ? -742.2 C(s, graphite) 0 5.740 0 Fe(s) 0 27.3 0 CO2(g) -393.5 213.6 -394.4.83
For the reaction C2H2(g)+4F2(g)2CF4(g)+H2(g) S is equal to 358 J/K. Use this value and data from Appendix 4 to calculate the value of S for CF4(g).
Why is it usually easier to use G to determine the spontaneity of a process rather than Su ?
Nickel metal reacts with carbon monoxide to form tetra-carbonyl nickel, Ni(CO)4: Ni(s)+4CO(g)Ni(CO)4(g) This reaction is exploited in the Mond process in order to separate pure nickel from other metals. The reaction above separates nickel from impurities by dissolving it into the gas phase. Conditions are then changed so that the reaction runs in the opposite direction to recover the purified metal. (a) Predict the sign of S for the reaction as written above. (b) Use tabulated thermodynamic data to calculate H, S , and G for the reaction. (c) Find the range of temperatures at which this reaction is spontaneous in the forward direction.
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?