Which case would result in a spontaneous reaction only at low temperatures? AH > 0 and AS < 0 AH < 0 and AS > O AH < 0 andAS < O O AH > 0 and AS > 0
Q: Which combination of AH and AS NEVER has a spontaneous reaction? & tAH and +AS A -AH and -AS C -AH…
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Q: Im not sure how to do this one. The answer I put was wrong.
A: The Gibb’s free energy change is expressed as: The possible combinations of signs for △H and △S…
Q: For the reaction: 2 HCIO2 → HCIO + CIO3 + H* HCIO, + 2 H* + 2 e = HCIO + H,O 1.645 ClO,- + 3 H* + 2…
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Q: For a given chemical reaction, the value of AH is positive and the value of AS is positive. The…
A: The answer is given below
Q: Determine if the redox reaction of iron and water to form ferric chloride is spontaneous at 29°C.…
A: Given,
Q: 36 of 48 A reaction is always non-spontaneous when O AH>0, AS>0 O AH>0, AS O AH O AH0
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Q: Classify the possible combinations of signs for a reaction's AH and AS values by the resulting…
A: The reaction is spontaneous if ∆G of the reaction is negative . The formula for ∆G is given as : ∆G…
Q: Given the information A+ B 2D AH = 738.8 kJ AS = 357.0 J/K C D AH = 454.0 kJ AS = -117.O J/K…
A: If a chemical reaction is reversed, the sign on ΔH and ∆S is changed. If a multiple of a chemical…
Q: Using S°, calculate the standard entropy change for the reaction at 298K.…
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Q: A [ Select ] AG represents a spontaneous reaction, and a [ Select ] AG represents a nonspontaneous…
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Q: AH = 484. kJ J AS = 1379. K. AG = kJ 2H,0()- 2H,() + 0,) Which is spontaneous? O this reaction O the…
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Q: AH = 484. kJ AS = 1618. 24,02) – 2H,e) + 0, e) AG = OJ Which is spontaneous? O this reaction the…
A: The spontaneity of any reaction can be measured by observing the Gibbs free energy or the Entropy of…
Q: Determine if the following reaction is spontaneous at 298 HgOs Hg). -90.83 0 70.29 76.02 205.14…
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Q: 5) When could the following reactions be spontaneous (if ever)? AGys = AHays- TASs C. AH is positive…
A: ΔG is the gibbs free energy which decides whether the given reaction is spontaneous or not. ΔG = ΔH…
Q: Why are spontaneous and non-spontaneous reactions often coupled?
A: Spontaneous reaction: the reaction which take place on its own without any initiation are…
Q: Consider the reaction: 2KCIO, 3 () 2KCI, + 30, 2 (e) At standard state, AG for the reaction is – 35…
A: In ∆G is negative then reaction is spontaneous and if ∆G is positive then reaction is non…
Q: Determine if the redox reaction of iron and water to form ferric chloride is spontaneous at 29°C.…
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Q: Methanol, CH3OH, can be made by the reaction of CO with H2: Co(g) + 2H2(g) = - CH3OH(g) AH° = -90.7…
A: Answer:- This question is answered by using the simple concept of calculation of Gibbs free energy…
Q: - Classify the reaction according to one of the following reaction types. CuO(s) + Ca(s) → Cu(s) +…
A: a) The reaction taking place along with the entropy change and enthalpy change is given as,
Q: For a particular reaction at 240.4 °C, AG = -486.75 kJ, and AS = 284.22 J/K. Calculate AG for this…
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Q: A spontaneous reaction is spontaneous in one direction. O True O False
A: True. Spontaneous reactions are uni directional.
Q: Hydrogen can be produced commercially by reforming methanol with steam, depending on the…
A: We can calculate the standard enthalpy change of the reaction (∆H0 ), standard entropy change (∆S0)…
Q: For each reaction, calculate the value of Gibb's Free Energy (ΔG) and predict wether the reaction is…
A: Gibb's Free Energy (ΔG): It is the thermodynamic parameter that measures the amount of usable energy…
Q: Which of the following statements is correct about this reaction at 25°C and 1 atm? NHNO:(s) →…
A: The reaction given is,
Q: 1.Which of the following statements are true for the reaction: I2e) → I. AH is positive II. AH is…
A: I2(g) ----> 2I(g)
Q: The accompanying diagram shows how ΔH (red line)and TΔS (blue line) change with temperature for…
A: a) At 300 K, T∆S is equal to ∆H. Since ∆G = ∆H-T∆S Thus ∆G of the reaction will be zero at this…
Q: For the reaction: A + B = C + D AH° = -40 kJ/mol and AS° = -50 J/mol·K. The reaction under standard…
A: here we are required to find the condition when the given equilibrium reaction will become…
Q: H. Calculate AGRxn using the AG values in your references. I. Is the reaction spontaneous at this…
A: G , H ) We can calculate the following values using the formula. I ) The reaction is said to be…
Q: Under what condition is a reaction with a negative AH and a positive AS spontaneous?
A: Answer: To check the spontaneity of a reaction we have to see the sign of ∆G of the given reaction .…
Q: Which of the following reaction is a spontaneous? O CaO(s) + CO29) → CaCO3(g) O 2SO2«g) + O2(g) →…
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Q: 1. Determine whether the reaction below is spontaneous or non-spontaneous at 25°C. H2 + Cl2 → HCI…
A: Here we are required to predict whether the given reaction is spontaneous or non spontaneous
Q: Part A In which case is the reaction spontaneous at low temperature and nonspontaneous at high…
A: Enthalpy and entropy can be combined to predict reaction spontaneity Relationship between enthalpy…
Q: What are the AHrxn and ASrxn values that indicate a spontaneous reaction at all temperatures? O…
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Q: A reaction is never spontaneous when A. O AS is positive surr B. O ASis negative surr C. O AS is…
A: ∆Suniverse = ∆Ssytem + ∆Ssurroundings
Q: Under which conditions is a reaction spontaneous at all temperatures, according to AG = AH – TAS O…
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Q: The reaction Crienly(aq) + 6 NH₂(aq) -- Cr(NH₂³(aq) + 3endal where en represents ethylenediamine, is…
A: Given the reaction is exothermic. Hence ∆H is negative.
Q: 9. A spontaneous process always has A) AG0 C) AH0 E) none of the above
A: According to Gibb’s Helmontz equation ΔG=ΔH -TΔS decides the spontaneity of any reaction Whenever…
Q: Assuming AH and AS are constant with respect to temperature, under what conditions will a chemical…
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Q: Given the information A + B → 2D С — D AS' = 346.O J/K AS° = -124.0 J/K AH° = -684.1 kJ AH° = 436.0…
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Q: The Ecell of a reaction were found to be +0.78 V. What is the spontaneity of the reaction. none of…
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Q: Under which conditions is a reaction spontaneous at all temperatures, according to ΔCΔΗ - ΤAS ?…
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Q: The accompanying diagram shows how ΔG for a hypotheticalreaction changes as temperature changes. (a)…
A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…
Q: Under which one of the following conditions will the following reaction be spontaneous as written?…
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Q: Which of the following is always true for any spontaneous reaction? A. AH> 0 B. AH0 D. AG <0
A: Since, Spontaneous reaction means reaction favoured without any external disturbance. Thus,
Q: For a particular reaction, AH= 30.0 kJ and AS= Assume that AH and AS do not vary with temperature.…
A: Given , ∆H = 30.0 kJ∆S= 90.0 JK
Q: An spontaneous process ALWAYS has a negative AG O has a negative AH O has a positive AH has a…
A: A spontaneous process is capable of proceeding in a given direction without needing to be driven by…
Q: From the following AH and AS values, predict whether the reaction would be spontaneous. If not, at…
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Q: (a) State the temperature range over which the followng reactions is spontaneous AS (J/K) ΔΗ (Κυ)…
A: We have given that (a) State the temperature range over which the following reactions is…
Q: Predict the following reaction, whether its spontaneous or nonspontaneous. a. 2NAOH) + CO2s) b. 2Fe…
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Q: Is the reaction spontaneous at all temperatures? If not, explain. Choose one: O The reaction will be…
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- If qrxn =-2000 J, the equation has 1:1 mole ratio, and their are 0.00125 moles of limiting reagent. What is deltaH, when deltaH = q/n?CompoundΔ?∘fΔGf∘ (kJ/mol)A+387.7+387.7B+604.7+604.7C+402.0+402.0 Use the data given in the table to calculate the value of Δ?∘rxnΔGrxn∘ at 25∘25∘ C for the reaction described by the equation A+B↽−−⇀CA+B↽−−⇀C Δ?∘rxn=ΔGrxn∘= If Δ?∘rxnΔHrxn∘ and Δ?∘rxnΔSrxn∘ are both positive values, what drives the spontaneous reaction and in what direction at standard conditions? The spontaneous reaction is entropy-driven to the left. The spontaneous reaction is enthalpy-driven to the left. The spontaneous reaction is entropy-driven to the right. The spontaneous reaction is enthalpy-driven to the right.When nitric acid is produced industrially, nitrogen monoxide, NO, is first formed at high temperature. Bakefetr reacts NO on cooling further with oxygen to nitrogen dioxide: 2 NO(g) + O2 ⇌ 2 NO2 (g) Table 1: Thermodynamic data at 25°C. Bond ΔfHom Som Cop,m NO(g) 90.25 210.76 29.34 O2(g) 0.00 205.14 29.36 NO2(g) 33.18 240.06 37.20 1) Calculate (with all relevant intermediate calculations) the standard reaction Gibbs free energy, ΔrG25o, for reaction (1) at 25°C from the data in Table 1 2) Calculate (with all relevant intermediate calculations) the equilibrium constant K25, for reaction (1) at 25°C. 3) Industrially, however, the reaction does not proceed at 25°C but at 500°C. Therefore, calculate (with all relevant intermediate calculations) the standard reaction Gibbs free energy, ΔrG500o, for reaction (1) at 500°C under the assumption that the standard molar heat capacities, Cop, in Table 1 are independent of temperature in the interval [25°C, 500°C]
- Calculate the enthalpy change for the reaction C(s) + 2H2 (g)--->CH4(g) from the following data. C(s) + O2 (g) ---> CO2(g). ΔH = – 393.5 kJ/mol H2(g) + 0.5 O2 (g) ---> H2O(l). ΔH = – 285.8 kJ/mol CH4(g) + 2 O2 (g)---> CO2(g) + 2 H2O(l). ΔH = – 890.2 kJ/molDetermine DG0 for the reaction:2CO(g) + 2H2(g) ---> CO2(g) + CH4(g)DH0 = -247.3 kJ/mol DS0 = -256.5 J/mol KThe oxidation of glucose to CO2 and water is a major source of energyin aerobic organisms. It is a reaction favored mainly by a large negativeenthalpy change. C6H12O6(s) + 6O2(g) → 6CO2(g) + 6H2O(1) ΔH ° = -2816 kJ/mol ΔS ° = +181 J/mol • K(a) At 37 °C, what is the value for ΔG° ?(b) In the overall reaction of aerobic metabolism of glucose, 32 moles ofATP are produced from ADP for every mole of glucose oxidized. Calculatethe standard state free energy change for the overall reaction whenglucose oxidation is coupled to the formation of ATP at 37 °C.(c) What is the efficiency of the process in terms of the percentage of theavailable free energy change captured in ATP?
- Calculate the standard free energy ΔGo (in kJ/mol) knowing that the equilibrium constant Kc is 1.69e-1, and the temperature T = -10 oC. (Use R=8.314 J/mol⋅K and 273.00 for oC/K conversion)The Kₛₚ of PbCl₂ is 1.7X10⁻⁵ at 25°C. What is ΔG°? Is it possible to prepare a solution that contains Pb²⁺(aq) andCl(aq), at their standard-state concentrations?Estimate reaction enthalpy and predict the sign of reaction entropy included attatchemnt of mecahnism and of original reaction
- Calculate the ΔH°f of C6H12O6(s) from the following data: Show the complete and step by step solution ΔH combustion of C6H12O6(s) = -2816kJ/mol ΔH°f of CO2 (g) = -393.5 kJ/mol ΔH°f of H2O (l) = -285.9 kJ/mol Equation: C6H12O6(s) + O2(g) -> CO2(g) + H2O(l)Determine AGrxn for 2 A(g) + B₂(g) → 2 AB(g) A. -400 kJ B. -250 kJ C. -200 kJ D. -100 kJ E. -50 kJ Compound(state) AG (kJ/mol) A(g) B₂(g) AB(g) 0 -100 -15018. Calculate the heat of reaction at constant volume for 5.00 g C3H8 ,considering the following chemical reaction: C3H8 (g) + O2(g) --------------------> CO2 (g) + H2O (g) heat of standard formation: O2 = 0.00 kJ / mole, H2O (g) = -245 kJ / mole, CO2 = -318 kJ/mole and C3H8 = -438 kJ / mole C3H8 = 44.09 g/mole Temperature is 33 oC a.412 kJb.-212 kJc.-789 kJd.-169 kJ