At what temperatures is the following reaction spontaneous: HCI (g) + NH3 (g) → NHẠCI (s) + heat Only at HIGH temperatures O At NO temperatures O At ALL temperatures O Only at LOW temperatures

Q: COCl2(g) ---> CO(g) + Cl2(g)   6. Is this reaction spontaneous under standard conditions? 7. If…

A: If there is an increase in the moles of gaseous compounds then the entropy change for the reaction…

Q: Consider the reaction in the previous problem H2O2 0 H20 + O2e) Is the reaction spontaneous or…

A: A spontaneous reaction is one which takes places on its own. For a spontaneous reaction, ∆G∘should…

Q: At constant pressure, the following reaction is exothermic. 3H2(g) + N2(g) + NH3(g) Reaction (as…

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

Q: At constant pressure, the following reaction 2NO2(g)  N2O4(g) is exothermic. The reaction (as…

A: For the given reaction, change in enthalpy is negative.Thus,

Q: 6. At a constant pressure the following reaction is exothermic: 2 NOe) → N;Oe)- Which of the…

A: 2 NO2(g) ---> N2O4(g) This Reaction is exothermic (at constant pressure ). The reaction is…

Q: Consider the reaction at 298 K: 2 NO(g) + O2(g)¡2 NO2(g) ΔG°rxn = -71.2 kJCalculate ΔGrxn under…

A: The equation for Gibbs free energy of a reaction is given below,…

Q: Consider the reaction:  H2S(g)+SO2(g)---> 3S(g)+2H2O(l) for which delta H is -233 kJ and delta S…

A: Given:

Q: When is a reaction never spontaneous?   Keq   ∆H>0, ∆S>0   Keq0

A: Free energy of a system is the difference between the initial-state energy and the equilibrium…

Q: Determine if the following reaction is spontaneous at 298K BaCO3(s) ↔ BaO(s) + CO2(g) ΔHf˚ =…

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Q: For a process with AH 0 O Never. O AE > 0 O AS > 0

A: A reaction is said to proceed spontaneously at any temperature if the enthalpy decreases and the…

Q: 2. Calculate the temperature in which the following reactions become spontaneous. b) Reaction B: AH…

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Q: For the following reaction, AH° for the reaction is -206.1 kJ/mol, while AS° is -215 J/K•mol . NO…

A: For the reaction to be spontaneous , we have to see the  value of Gibbs free energy. ∆G = negative (…

Q: For the reaction C6H6 (1) + 3 H2 (g) C6H12 (1) AHO = -206.7 kJ/mol What statement is true? (Hint:…

A: A reaction would be spontaneous if ∆G (reaction) is negative.

Q: (C2H5OH ) +(H2) →(CH3CHO) (AS = 114.2 J/K),(AH = 68.95 KJ/K ) %3D Calculate AG for this reaction at…

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Q: Hi, I need help with this step-by-step please thank you.

A: For any reaction that proceeds spontaneously, the value of free energy that is Delta G remains…

Q: At 25 °C the formation of NH, (g) has a positive AS" systom. Is this reaction spontaneous or…

A: Given: ∆Ssystemo=+180 J/K T = 25oC ∆HfoN2g=0 kJ/mol∆HfoH2g=0 kJ/mol∆HfoNH3g=-45.9 kJ/mol

Q: If H=-180kJ/mol and S=45J/k, then the reaction will be… a)      Spontaneous at all temperatures b)…

A: Reaction spontaneity ∆H ∆S reaction spontaneity + value - value non spontaneous at all…

Q: . Consider the following reaction at constant pressure. Use the information here to determine the…

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Q: Above what temperature does the following reaction become nonspontaneous?               2 H2S(g) +…

A: The balanced reaction taking place is given as, => 2 H2S (g) + 3 O2 (g)  → 2 SO2 (g) + 2 H2O (g)…

Q: Calculate the temperature at which the reaction changes from a spontaneous to non-spontaneous…

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Q: For the reaction C2H6 (g) → C2H4 (g) + H2 (g) ΔH° is +137 kJ/mol and ΔS° is +120 J/K ∙ mol. This…

A: Given, The balanced chemical equation, C2H6 (g) → C2H4 (g) + H2 (g) ΔH°=+137 kJ = 137000 J, and ΔS°…

Q: Dinitrogen tetroxide (N2O4) decomposes to nitrogen dioxide (NO2). If ΔH° = 58.02 kJ/mol and ΔS° =…

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Q: For a reaction to be spontaneous, the change in Gibbs free energy (AG) must be which of the…

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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: For a chemical reaction to be spontaneous at all temperatures in the reverse direction, which of the…

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Q: For a certain chemical reaction, ∆H° = -35.4 kJ and ∆S° = -85.5 J>K.Is the reaction spontaneous…

A: For a reaction is given by, ∆G=∆H - T∆S where ∆H is the heat of enthalpy, T is the temperature and…

Q: Calculate the standard entropy change for the following reactions: Given S[So2(g)]=248.2j/k.mol,…

A: Given reaction and information,       Formation of SO3 from SO2 and O2.       Entropy value for SO2…

Q: 1. For the reaction C₂H6 (g) → C₂H4 (g) + H₂ (g) AH° is + 137 kJ/mol and AS° is + 120 J/K mol. Which…

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Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

A: Given that :Reaction = O2(g) → 2O(g) ∆H° = 498kJ/mol

Q: perature, at what temperature does the reaction change from nonspontaneous to spontaneous in the…

A: Temperature (T)= 55400/94.1 = 588.7K

Q: For the following reaction: SO2 (g)_± ½ O2(g)→ SO3(g) For this reaction to be spontaneous, what must…

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Q: For a particular reaction, AH = -32 kJ and AS = -98 J/K. Assume that AH and AS do not vary with…

A: As we know that a spontaneous process is one that happens without the addition of external energy. A…

Q: CaO (s) + CO2 (g) → CaCO3 (s) At what temperature does the reaction become spontaneous?

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Q: 4 NH3 (g) + 5 O2 (g) -4 NO (g) + 6 HzO (g) ArHo = -906 kJ For the reaction above, predict the sign…

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Q: 2. Define and give an example: Spontaneous, exergonic 3. Define and give an example:…

A: These all are the terms related with chemical thermodynamics. There are many reactions which occur…

Q: Which of the following statements is true of process that is spontaneous in the forward direction?…

A: We have to tell which option is correct from given choices of options.

Q: 2. SO2(g) + O2(g), AH°25°C = +99.2 kJ and AS°25°C = +93.94 J/K. Is the reaction spontaneous at 25°C?…

A: The question is based on the concept of spontaneity of the reaction. if Gibbs free energy change of…

Q: For the following reaction, calculate the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG (25°C) of the following…

A: Given, H2 (g) + I2 (s) --> 2 HI (g) At 25 °C, the a.ΔrxnH, b.ΔrxnS, c. ΔrxnG is:

Q: For the reaction   2 PF5(g) + 5 H2(g) →  2 P(g) + 10 HF(g), calculate ΔGº and determine whether the…

A: Given,

Q: ΔHorxn = 102 kJ and ΔSorxn = 299 J K-1. Determine the minimum temperature (in K) at which the…

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Q: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

A: For the reaction of gaseous substances with increasing gaseous molecules (from reactant to product…

Q: or a particular reaction, AH = -93.8 kJ and AS = -156.1 J/K. Assuming these values change very…

A: Solution - According to the question - Given - ΔH° = -93.8kJ ΔS° = -156.1J / K = -156.1x 10^-3 kJ /K…

Q: Which of the following statements is true? (a) The larger the Q, the larger the ∆G°. (b) If Q = 0,…

A: Spontaneous process is a natural process which occur in a finite period of time.

Q: The combination that always gives a spontaneous process is __. a) +ΔH                       +ΔS b)…

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Q: For a chemical reaction to be spontaneous at all temperatures, which of the following conditions…

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

Q: Which pair of reactant will produce a spontaneous reaction if everything is present in its standard…

A: The standard reduction potential of Cu and Fe is as follows: Cu2++2e−→Cu…

Q: 6. For each reaction below, determine the sign of AH and AS. Also state under what conditions the…

A: The spontaneity of any reaction is known with the help of sign of ΔH and ΔS. ΔG=ΔH-T ΔSSpontaneous…

Q: Consider the reaction for the decomposition of carbon tetrachloride gas:CCl4(g)¡C(s, graphite) + 2…

A: (a) The given reaction is, CCl4g→Cs,graphite+2Cl2g ∆H=+95.7 kJ∆S=+142.2 J/KT=25°C=25+273K=298 K

Q: For the process O2(g)      2O(g), ΔH° = 498 kJ·mol –1.  What would be the predicted sign of ΔS°rxn…

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