Octane (C8H18) is a liquid hydrocarbon at room temperaturethat is a constituent of gasoline. (a) Write a balancedequation for the combustion of C8H18(l) to form CO2(g)and H2O(l). (b) Without using thermochemical data, predictwhether ΔG° for this reaction is more negative or lessnegative than ΔH°.

Q: At 961. K, ΔGo equals -77.2 kJ for the reaction, N2O4(g) ⇌ 2 NO2(g).   Calculate the value of…

A: The relationship between deltaG°(the free energy change) and K (the equilibrium constant) is…

Q: Calculate AG at 45°C for a reaction for which AHº = -76.6 kJ and AS° =-392 J/K AG° kJ

A: here the two thermodynamic  property  given  ∆H°=-76.6KJ∆S°=-392J/KUsing the formula∆G°=∆H°-T∆S…

Q: [1] Given: CH,(g) + H2O(g) CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is +215…

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Q: Copper Metal is obtained by smelting copper(I) sulfide ores: Cu2S(s) + O2(g) → 2 Cu(s) + SO2(g) Use…

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Q: Calculate the free energy change (ΔG) for the following reaction at 25.0o C:                     2…

A: Unit of temperature is converted as follows,

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: 14 For a process with AH 0 ΟΔΕ >0 O AS > 0 O Never. 20 The standard enthalpy of reaction, AHf pen,…

A:

Q: Calculate ΔG° for a reaction for which ΔH° = 24.6 kJ andΔS ° = 132 J/K at 298 K. Is the reaction…

A: Given, ΔH° = 24.6 kJ ΔS ° = 132 J/K

Q: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A:

Q: Enter your answer in the provided box. À reaction will be spontaneous only at low temperatures if…

A:

Q: Write equations for the oxidation of Fe and of Al. Use ∆Gofto determine whether either process is…

A: Oxidation is loss of electrons while reduction is gain of electrons and they always occur together.…

Q: ΔΗ 1353. kJ J AS = K 2co,() + 4H,0 (g) → 2CH,OH (g) + 30,(g) AG = 10. kJ Which is spontaneous? this…

A: Given ,  temperature, T =123°C = (123 +273 )K=396 K Pressure = constant

Q: 4. Given the equation, calculate the standard free energy change. Answer what is being asked. Show…

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Q: “Thermite” reactions have been used for welding metal parts such as railway rails and in metal…

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Q: For the reaction, 4KClO3(s) → 3KClO4(s) + KCl(s) Calculate ΔGosys for the process at 298 K if…

A: ∆Gsyso = ∆Hsyso - T ∆Ssyso  where     ∆Hsyso = Standard enthalpy change of system = - 144.3 KJ x…

Q: The reaction: Al(s) + Fe₂O3(s) → Fe(s) + Al₂O3(s) has AH = -847.6 kJ and AS = -41.3 J/K at 25 °C.…

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Q: What is the sign of ΔS for the reaction  Na2B4O7(s)       2 Na+(aq) + B4O72-(aq) ?

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Q: When AH = -133 kJ and AS = -0.133 kJ/K, calculate AG at room temperature, 25 °C, for the following…

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

Q: [1] Given: CH«(g) + H2O(g) – CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is…

A: 1. Given :  CH4(g) + H2O(g) → CO(g) + 3H2(g)  ∆H° = +206.1 kJ/mol  ∆S° = +215 J/K.mol  T = 25°C  To…

Q: The following reaction for the formation of glucose from carbon dioxide and water:…

A: The given reaction is,

Q: Calculate ΔG° for a reaction for which ΔH°= 20 kJ and ΔS° = 140 J/K at 298 K. Is the reaction…

A: Given  ΔH°= 20 kJ  1 kJ =1000 J ΔH°= 20,000 J ΔS° = 140 J/K T = 298 K  ΔG° = To be determined

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: 3. 1. N2(g)+3112(g) -->2NH3(g) If AH = -92.2kJ and AS- -0.1987k/K, what is AG for the reaction at…

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Q: If a particular reaction has   ΔrH = +30 kJ mol–1    and    ΔrS = –60 J K–1mol–1, when do you expect…

A:

Q: Predict the sign of ΔU, q, and w in the reaction given. 2C₆H₆ (s) + 7O₂ (g) → 4CO₂ (g) + 6H₂O (g)

A: ∆U = +ve q = +ve w = -ve

Q: 4.) Which statement is correct at constant temperature and pressure? A. All reactions for which…

A: Spontaneity of any system is decided by the value of ΔGsys.

Q: 8. A reaction has AH° = 100 kJ/mol and AS°=250 J/mol-K. Is the reaction spontaneous at room…

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Q: 2.2.Predict if the following reaction is spontaneous or not. CO26)CO(g) at 25°C

A: We have given that  Predict if the reaction is Spontaneous or Not  CO2(s) ------> CO2(g)  at 25°C…

Q: 1. What thermodynamie quantity is used to determine whether a chemical reaction will proceed…

A: When a reaction proceed on its own without any external aid, it is called spontaneous reaction.

Q: Consider the following reaction: CH3OH(g) --> HCHO(g) + H2(g); DHo = 85 kJ (2)…

A: As this reaction is endothermic in nature as Del H is positive

Q: If the Delta*H = 135kJ / m * ol and AS 92 J/K mol, at what temperature does this reaction become…

A:

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

A: Given data    ∆H° = +150 KJ/mole and ∆S° = 171 J/K-mole.

Q: 7) Calculate AG for a reaction at 85 °C if AH is -34.6 kJ and AS is -114 J/K. Is the reaction…

A: Given ΔH = -34.6 kJ ΔS = -114 J/K T = 85°C

Q: [1] Given: CH,(g) + H2O(g) CO(g) + 3H2(g). AH° for the reaction is +206.1 kJ/mol, while AS° is +215…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

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: Sulfur dioxide is released in the combustion of coal. Scrub-bers use aqueous slurries of calcium…

A: Calcium hydroxide and sulfur dioxide reacts to form calcium sulfite and water. The reaction is an…

Q: If the AH = 200 kJ/mol and AS = 133 J/K mol, at what temperature does this reaction become…

A: Given: ∆H for the reaction = 200 kJ/mol ∆S for the reaction = 133 J/K mol We have to calculate the…

Q: Given the reference thermodynamic data below taken at 25°C, calculate the value of the equilibrium…

A: The reaction for given process is : N2(g)  +  3H2(g)  ⇌  2NH3(g) Given that : ΔGº = -32.96 kJΔHº =…

Q: For a reaction for which AH = -142 kJ/mol and AS = -178 J/mol· K, which of the following statements…

A: If ∆G is negative, the process is spontaneous and may proceed in the forward direction. If ∆G is…

Q: I need help with number 3 thank you

A: The Gibbs free energy can be defined as a thermodynamic potential which is used to calculate the…

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: What must the sign of ∆G be for any spontaneous process

A: Dear student I have given answer to your question in the image format.

Q: Given the reaction: NaOH(s) + H,O() ? Na+(aq) + OH-(aq) + 10.6 kJ, the heat of reaction, AH, is…

A: Given: Reaction is as follows: NaOH + H2O  ----->   Na+  +  OH-  + 10.6 KJ This is an exothermic…

Q: 8) Calculate AG for a reaction at -12 °C if AH is -34.6 kJ and AS is -114 J/K. Is the reaction…

A: To Solve this problem we will use the formula  ∆G = ∆H - T∆S  Where , ∆G = Gibbs free energy change…

Q: What should be the sign of EMF for the reaction to be considered spontaneous? Why?

A: The Gibbs free energy for a spontaneous reaction has a negative sign. ∆G = -ve for spontaneous…

Q: For a particular reaction, AH = -46.7 kJ and AS =-123.8 J/K. Assuming these values change very…

A: ∆H°=-46.7KJ ∆S°=-123.8J/K ∆H°-T∆S°=0

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: A certain reaction is spontaneous at 25°C. If the enthalpy change for the reaction is 29.8 kJ/mol,…

A: Given that:  T = 25°C = 25°C + 273 = 298K  dHrxn = 29.8KJ/mol

Q: 1. Predict whether the following processes are spontaneous, are spon in the reverse or are in…

A: Spontaneous process occurs by its own while Non-spontaneous process required external source to…