1. 4NH3(g) + 5O2(g)4NO(g) + 6H2O(g) for which H° = -905.2 kJ and S° = 180.5 J/K at 298.15 K. (1) Calculate the entropy change of the UNIVERSE when 2.182 moles of NH3(g) react under standard conditions at 298.15 K. Suniverse =  J/K (2) Is this reaction reactant or product favored under standard conditions?   (3) If the reaction is product favored, is it enthalpy favored, entropy favored, or favored by both enthalpy and entropy? If the reaction is reactant favored, choose 'reactant favored'.

Q: Calculate the entropy change of the system when a system expands at a constant temperature of 311 K…

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Q: What is that the entropy change of the universe (J/mol-K) when the entropy change of the system is…

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Q: For each system listed in the first column of the table below, decide (if possible) whether the…

A: Entropy means randomness. If the randomness or the motion of molecules increases in any case then…

Q: The energy resources of glucose are of major concernfor the assessment of metabolic processes. When…

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Q: 12 The molar heat of combustion, A H;, of sucrose is -5643.4 kJ mol 1, If 0.250 moles of sucrose is…

A: Given :  12.  ∆Hc° of sucrose = -5643.4 KJ mol-1  Moles of sucrose = 0.250 moles  Temperature = 16°C…

Q: The heat of vaporization AH, of acetic acid (HCH,Co, is 41.0 kJ/mol. Calculate the change in entropy…

A: Interpretation: The heat of vaporization ∆Hv of acetic acid (HCH3CO2) is 41.0 kJ/mol. The change in…

Q: For the reaction C(s,graphite) + 02(g)CO2(g) AG° = -394.4 k) and AS° = 2.9 J/K at 327 K and 1 atm.…

A: The reaction given is, And moles of C reacting = 2.04 mol.

Q: The heat of vaporization AH, of ethyl acetate (C4HO₂) is 35.1 kJ/mol. Calculate the change in…

A: Given, Heat of vaporization of ethyl acetate (∆Hvap) = 35.1 kJ/mol Change in entropy (∆S) = ? Mass…

Q: Elemental mercury is a silver liquid at room temperature. Its normal freezing point is -38.9 °C, and…

A: The normal freezing point of mercury is -38.9 C. The given mass of mercury is 50.0 g. The value of…

Q: Suppose that when you exercise, you consume 100 g of ghucose and that all the energy rekased as heat…

A: Enthalpy of combustion of glucose = -2805 KJ/molMolecular mass of glucose = 180g/molGiven mass =…

Q: 5-entro Consider the reaction 2CO2(g) + 5H2(g)- →C;H½(g) + 4H,O(g) for which AH° = 46.50 kJ and AS°…

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Q: Hex-1-ene gas, C6H12, burns in oxygen to produce carbon dioxide and water vapour. a. Write an…

A: Here  we are required to find whether given reaction is spontaneous.

Q: Calculate AGxn at -90 °C. Express the free energy change to three significant figures and include…

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Q: The heat of vaporization AH, of toluene (C,H,CH,) is 38.1 kJ/mol. Calculate the change in entropy AS…

A: Solution- ∆Hv=38.1kJmol×1000J1kJ=38100JmolMass of toluene =32 gboiling point of Toluene =110.6oC +…

Q: 1 Suppose that when you exercise, you consume 100 gof glucose and that all the energy released as…

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Q: Consider the reaction2H2O(g) + 2Cl2(g) ---> 4HCl(g) + O2(g)for which H° = 114.4 kJ and S° = 128.9…

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Q: onsider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

A: Solution- 2NaOH (aq)+ H2O(g)  →2Na(s)+H2O(l)∆Ho= 368.6 kJ ∆S° = 15.30 J/K at 298.15 K.(1). NaOH…

Q: The heat of vaporization AH, of toluene (C,H,CH,) is 38.1 kJ/mol. Calculate the change in entropy as…

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Q: A substance has a molar specific heat, cV,m=4.00 J K-1mol-1and a molar mass, M=10.0 g/mol. A 100.0 g…

A: Given : mass of sample 1 and 2 and molar mass of sample and molar specific heat. To find: final…

Q: The heat of vaporization AH, of heptane (C,H16) is 31.2 kJ/mol. Calculate the change in entropy AS…

A: Given: The heat of vaporization of heptane = 31.2 kJ/mol We have to calculate the entropy change…

Q: A certain reaction has ∆?°= -19.5KJ and ∆S°= 42.7 J/K, does the reaction lead to an increase or…

A: here in given question change in entropy is given positive it means as reaction move forward entropy…

Q: Consider the reaction 2NaOH(aq) + H2(g)2Na(s) + 2H2O(l) for which H° = 368.6 kJ and S° = 15.30 J/K…

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Q: For a given reaction AH= -11.8 kJ/mol and AS= -207 J/mol-K at 55°C. Is the reaction spontaneous at…

A: Given: ∆H=-11.8 kJ/mol∆S=-207 J/mol·KT=55°C

Q: The entropy change for the process                                      H2 O(s) ⟶ H2 O(l)is 22.1 J/K…

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Q: The following table contains some standard enthalpies of fomation, AH. at 298 K Constants P Part A…

A: Given: Standard enthalpy of formation of C3H8(g) = -103.85 kJ/mol Standard enthalpy of formation of…

Q: Consider the reaction 2Na(s) + 2H2O(1)–2N2OH(aq) + H2(g) for which AH° = -368.6 kJ and AS° = -15.30…

A: 2 Na (s) + 2 H2O (l) ==> 2 NaOH (aq) + H2 (g)

Q: A substance has a molar specific heat, cV,m=4.00 J K-1mol-1and a molar mass, M=10.0 g/mol. A 100.0 g…

A: Given : Intial temperature of sample 1= 250 K.                 Initial temperature of sample 2 = 400…

Q: 21 g of nitrogen gas ( M = 28 g/mol) exerts a pressure of 1.75 atm in a 22.5 L tank What is the…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A chemical engineer wants to determine the feasibility of making ethanol (CHOH) by reacting water…

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Q: Write T if true, and F if false 1. It is more convenient to use change in enthalpy, ΔH, as a…

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Q: I use dry ice (solid CO2 which is -78.5 ℃) in my lab to cool reactions. If I leave a chuck of dry…

A: The heat capacity of dye ice at 25.0 oC is 0.846 J/goC. The total required heat to sublimate and…

Q: (a) What is the difference between a state and a microstateof a system? (b) As a system goes from…

A: (a) State of system could be defined as external conditions in which the system is present.…

Q: The heat of vaporization AH, of acetic acid (HCH3CO₂) is 41.0 kJ/mol. Calculate the change in…

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

A: Mole is the amount of the substance that contains the same number of particles or atoms or…

Q: If a reaction has the following thermodynamic values, AH xn 288 kJ/mol and AS rn - 98 J/K mol, at…

A: Given- ∆H°rex=288kJ/mol = 288000 J/mole ∆S°rex=98J/K mol  T=?

Q: 3Fe,O3(s) + H2(g)→2Fe3O4(s) + Hz0(g) for which AH° = -6.000 kJ and AS° = 88.70 J/K at 298.15 K. (1)…

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Q: Calculate the standard free-energy change (ΔGo) at 25°C for the reaction H2(g)+O2(g) ⇌ H2O2(l)

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Q: Consider the reaction 2H2S(g) + 3O2(g)2H2O(l) + 2SO2(g) for which H° = -1.124×103 kJ and S° =…

A: Answer:- This question is answered by using the simple concept of calculation of entropy of universe…

Q: Calculate the entropy change for the following process. H2O (s, 100 g, -10°C, 1bar) →H2O (s, 100 g,…

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Q: The enthalpy of vaporization for bromine (Br2) is 184.3 kJ/kg, and its boiling point is 59.3°C. What…

A: Entropy is the degree of randomness or disorderness.   Equation for change in entropy ( ΔS) is,…

Q: What is the entropy change

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Q: For items 4-6. An ideal monoatomic gas of one mole expands isothermally and reversibly from 2.0 L to…

A: Here we have to determine ∆S (system), ∆S(surrounding) and ∆Suniverse if 1mole of monoatomic gas…

Q: Given: H20(1) → H20(g); AH° = 40.7 kJ at 373K What is the entropy change in the system (AS) when one…

A: The process by which water changes from a liquid to a gas or vapor is called evaporation and the…

Q: The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: The heat of fusion AH, of toluene (C,H,CH,) is 6.6 kJ/mol. Calculate the change in entropy AS when…

A: Given: ΔH = 6.6 KJ/mol to find change in entropy

Q: Calculate the entropy (in J/K) change when 866.7 g of liquid cyclohexane, C6H12, freezes at 6.47°C.…

A: Entropy change for a reversible phase transition is ; ∆S=∆HT∆H=enthalpy change of…

Q: What is the standard enthalpy for a reaction (J/mol) for which the equilibrium constant is 2 times…

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Q: Liquid nitrogen, which has a boiling point of −195.79°C, is used as a coolant and as a preservative…

A: Gibbs' equation ∆ G° = ∆H°- T∆S° ...(1)  At the melting point ∆G° = 0 So, equation 1 becomes ∆H° =…