3. The vapor pressure of methanol (1) at 298 K is 16.94 x 10³ Pa. Calculate A, G° (CH30H, g) – A,G°(CH30H,l)

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A: Third law of thermodynamics combined with experimental data to determine absolute value of which…

Q: 104 at 298 K. Determine the Gibbs free energy change for a reaction with K = 8.09 x

A: ΔG = - RTlnK ΔG =GIBBS FREE ENERGY CHANGE   R=GAS CONSTANT T=TEMPERATURE IN KELVIN lnK

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A: To explain: The variables in a van't Hoff plot.

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Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 3 B(g) = C(g) + 3 D(g) were…

A: Given-> 3A(g) + 3B(g) ----> C(g) + 3D(g) PA= 5.75atm PB= 4.26 atm PC= 5.63 atm PD= 4.88 atm T=…

Q: For a reaction where ∆H° = +573 kJ/mol and ∆S° = +1.64 kJ/mol･K, at what temperature, in K, does…

A: For a reaction to be spontaneous the value of ∆G° must be negative.

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A:

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A: The given reaction is N2(g) + 3H2(g) ----> 2NH3(g) Reaction Quotient = Q = (PNH3)2 / ( PN2 ×…

Q: Which of the following changes in Gibbs free energy represents a spontaneous reaction? O AG(-) O…

A: To solve this problem we have to explain about the type of reaction according to value of ∆G .

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A:

Q: Calculate the Gibbs free energy change at 298 K for a mixture containing 1.5 atm H,º (g), 2(g), 2. 0…

A: We would use thermodynamics relation to calculate the value of change in Gibbs free energy ( ∆G ) .

Q: Calculate the value of Kp at 298 K for   N2(g)  + 2 O2(g) ⇌  2 NO2(g) from the following…

A: Since adding the given 2 reactions will give us the reaction  N2 (g)  + 2 O2 (g) ⇌  2 NO2 (g) Hence…

Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 3 B(g) = C(g) + 3 D(g) were…

A: We will. Calculate∆G°

Q: What is the change in entropy when 0.125 mol of potassium freezes at 67.2°C (Hfus = 2.39 kJ/mol)?

A: Freezing point, standard enthalpy of fusion and standard entropy can be related by the equation…

Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 2 B(g) = C(g) + 2 D(g) were…

A: In order to solve this question, we will use law of mass action to find the equilibrium constant at…

Q: Give an example for each of the following and provide an explanation.   1. A spontaneous process 2.…

A: A spontaneous process is the process which takes place on its own without any external force.

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A: The maximum possible arrangements of a molecules or the randomness is called the entropy of the…

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A:

Q: 5-gibbs For benzene, C,H6, the heat of fusion at its normal melting point of 6 °C is 10.0 kJ/mol.…

A:

Q: The vaporization of methanol CH₃OH(l) ⇌ CH₃OH(g) is an endothermic process in which ∆Hvap = 37.4…

A: Given, vaporisation of methanol. CH₃OH(l) ⇌ CH₃OH(g) ∆Hvap = 37.4 kJ/mol ∆Svap = 111 J/mol･K.…

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Q: find the temperature in K above which a reaction with a delta H of 195.7 kJ/mol and 58.7 deltaS J/K…

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Q: An aqueous solution of 49.60 ml of 0.370mol L-1 NaCN is added to 49.60 ml of 0.370 mol L-1 Zn(NO3)2…

A: Each NaCN(aq) is completely dissociated to given 1 CN-(aq). Hence the molarity of NaCN = molarity of…

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A:

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Q: 5. The enthalpy and entropy change of a reaction are -5.9 kJ/mole and +86.6 J/mole K respectively at…

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Q: 6. The variation of vapor pressure of diethyl ether with temperature at its normal boiling…

A: For                  liquid ====> vapor  The rate of vapor pressure change is given by  ∆P∆T=…

Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 4 B(g)=2C(g) + 3 D(g) were…

A: The question is based on the concept chemical thermodynamics.   We have been given partial pressure…

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Q: 7. Identify the process which results in an increase in entropy. O A. Rusting of iron B. Conversion…

A: Entropy is a measure of the randomness of the system. The entropy change in a chemical reaction can…

Q: When a liquid freezes, its entropy increases: true or false?

A: Entropy is the measure of randomness or disorder among particles of a given system. A liquid freezes…

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Q: Given:                   N2 (g) + 3F2 (g) → 2NF3 (g)             Exothermic This process is…

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Q: Calculate the standard change in Gibbs free energy for the reaction at 25 °C. Refer to the AG…

A:

Q: Does the entropy of the system increase, decrease, or staythe same when (a) a solid melts, (b) a gas…

A: (a) Entropy of the system will increase when a solid melts. Randomness of liquid is more than that…

Q: At 25 ∘C25 ∘C, the equilibrium partial pressures for the reaction   3A(g)+4B(g)↽−−⇀2C(g)+3D(g)…

A: The reaction given is 3 A (g) + 4 B (g) ------> 2 C (g) + 3 D (g) Given : equilibrium partial…

Q: For the following reaction, H2(g) + I2(g) ⇌ 2 HI(g), Kp = 44 at 25.0 o C. Calculate the value of Kc

A:

Q: For a reaction where AH° = +573 kJ/mol and AS° = +1.64 kJ/mol ·K, at what temperature, in K, does…

A:

Q: 1. Consider the following reaction: CO:(g) + CCl (g) → 2COCL(g) a. Calculate the standard Gibbs free…

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Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 3 B(g) = C(g) + 3 D(g) were…

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Q: Chemical Thermodynamics Calculate the ASfor the vaporization of water at 100°C. 40.7 kJ mol 1

A:

Q: At 25 °C, the equilibrium partial pressures for the reaction 3 A(g) + 4 B(g) 2C(g) + 2D(g) were…

A: the answer is follows as:

Q: 8.35 Without performing any calculations, predict whether there is an increase or a decrease in…

A: Entropy is a measure of the molecular disorder or randomness of a system. We can easily predict a…

Q: Calculate the standard change in Gibbs free energy, AG;an , for the given reaction at 25.0 °C.…

A: a) Given: The reaction, NH4Cl(s)⇌NH4+(aq)+Cl-(aq) Temperature, T=25°C=298 K