Carbon monoxide, a toxic product from the incomplete combustion of fossil fuels, reacts with water to form CO2 and H2, as shown in the equation CO(g) + H2O(g) ⇌ CO2(g) + H2(g), for which ΔH° = −41.0 kJ/mol and ΔS° = −42.3 J cal/(mol·K) at 25°C and 1 atm.  What is ΔG if the gases have the following partial pressures: PCO = 1.3 atm,  PH2O = 0.8 atm, PCO2 = 2.0 atm, and PH2 = 1.3 atm?

Q: calculate the Gibbs free energy of formation of BiF5 at 298 K. Is the formation of BiF5 from the…

A: Given to us that: The formation of a BiF5 molecule by its standard elements . And Temperature T=298K…

Q: Is change in Gibbs free energy for the melting of ice greater or less than zero? A>0 C.-0 D. It…

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

Q: a) Calculate AGxn for the reaction (AHrxn=572 kJ; ASrxn° = 179 J/K).

A: We know ∆Gorxn = ∆Hrxno - T∆Srxno . For a reaction to be spontaneous ∆G should be -ve . At…

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: Hydrochloric acid reacts with sodium hydroxide to form sodium chloride and water. If the change in…

A: Given, HCl is react with NaOH to form NaCl and H2O .  The change in enthalpy is 56.13 KJ and the…

Q: What is the change in Gibbs Free Energy  in joules for the following reaction at room tempature?…

A: Given reaction and information,       H2(g) + I2(g) → 2HI (g)           K=794

Q: (Q79) The first step of glycolysis (the metabolic conversion of glucose to pyruvate) is the addition…

A: given, temperature = 38.6 degree Celcius Gibbs free energy = +13 kJ/mol

Q: The entropy of a reaction is 360 J/mol K and the enthalpy of a reaction is 847 kJ/mol. Calculate the…

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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 .

Q: Ammonia reacts with water in liquid ammonia solution according to the equation: NH3(g) + H2O ⇌ NH4+…

A: Spontaneity of a chemical reaction can be expressed in terms of Gibbs free energy change. Write the…

Q: Predict whether the entropy change of the system in N2 (g, 10 atm) —> N2 (g, 1atm) is positive or…

A: The entropy of a substance increases with its molecular weight and complexity and with temperature.…

Q: For the reaction given in Part A, how much heat is absorbed when 2.70 mol of AA reacts? (the image…

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Q: Combustion of glucose (C,H,0.) is the main source of energy for animal cells: C,H1206(s) + 60,(8) –…

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Q: At what temperatures will a reaction be spontaneous if ΔrH° = +62.4 kJ and ΔrS° = +301 J/K?

A: The given values are: ∆rH°=+62.4 kJ=62400 J ∆rS° =+301 J K-1 For a reaction, the relation between…

Q: Which of the following are spontaneous processes? 1. Ice melting at 1atm and 298 K (assume only ice…

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Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Entropy of a system is the measure of randomness. Higher disorder the system, higher is the entropy.

Q: Hydrazine (N2H4) is a chemical that is often used in rocket fuel.  Hydrazine can be produced from…

A: Since entropy is basically proportional to the randomness in the molecule. By randomness it means…

Q: The balanced chemical equation for the combustion of propane gas is: C3H8 (g) + 5 O2 (g) --> 3 CO2…

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Q: Does the entropy of a star increase or decrease as it radiates? Does the entropy of the space into…

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Q: 2. Calculate AG for the reaction CH;OH(g) SCO(g) + 2H2(g) for the following conditions at 25 °C: P…

A: The Gibbs free energy of the reaction helps us to find the reaction is feasible or not.

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.

Q: What is AH in kJ for the process of freezing a 48.2 g sample of liquid water at its normal melting…

A: The energy required to convert the physical state from liquid to solid is called latent heat of…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction is -83.0 kJ. Calculate…

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Q: The equilibrium constant at 2.40 x 10² °C for the equation PCI, (g) PC13(g) + Cl₂(g) is Kp = 4.50 x…

A: Temparature = 240 0C = 240 0C + 273=513k Kp = 4.50 ×103 Gas constant (R) = 8.314 J/k mol

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

A: ∆G°rxn = - 30.5 kJ / mol [ATP] = 5.0 mM = 0.005 M [ADP] = 0.80 mM = 0.0008 M [HPO4 2-] = 5.0 mM =…

Q: An ice cube at 0 C melts when placed inside a room at 22 C (295 K). Based on the concepts of…

A: We need to identify the concept of spontaneity behind melting of ice according to thermodynamics.

Q: For the chemical system: KOH + HBr → KBĽ¢ + H,O + 45 kJ (aq) (aq) (1) which of the following is…

A: KOH (s) + HBr (aq) ------> KBr(aq) + H2O(l) +45 kJ

Q: Is it possible for an ice to have a higher entropy than water? Why?

A: Entropy is the measure of the randomness of the system. The more disordered the system more will be…

Q: Explain the reason that the conversion of liquid water to gaseous water has a positive change in…

A: Given statement is :  Explain the reason that the conversion of liquid water to gaseous water has…

Q: (Q78) The equilibrium constant (Keg) for the formation of dinitrogen tetroxide (N2O4) from nitrogen…

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Q: pick the substance and conditions which should have the higher entropy. a)water at 0K b) water at 0C

A: a)water at 0K b) water at 0C

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

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Q: In which of the following systems does the tendency to maximum entropy favour the products and the…

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Q: For the oxidation of iron to form iron(III) oxide: 4Fe(s) + 3O2(g) ⟷⟷ 2Fe2O3(s)…

A: ΔSo = –549.73 J∙K–1 T = 298K ΔH = –824.2 kJ∙mol–1 = -824200 Jmol-1

Q: sketch how the entropy of water changes as it is heated from -50 °C to 110 °C at sea level. Show the…

A: The entropy changes with the temperatures are shown in the figure below:

Q: Which of the following statements is correct regarding the change in Gibbs free energy of a chemical…

A: Gibbs free energy is a measure of maximum available work that can be extracted from any system under…

Q: Consider the reaction: N2(g) +  F2(g) →  NF3(g)  , ΔH° = -249 kJ and ΔS° = -278 J/K   at 25°C…

A: We have to calculate ∆G∘ for the reaction and have to determine whether the equilibrium composition…

Q: Which of the following processes results in the largest decrease in Entropy? The heat of fusion of…

A: Entropy an be defined as the thermal energy per unit temperature that is unavailable for doing a…

Q: A critical reaction in the production of energy to do work or drive chemical reactions in biological…

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Q: The complete combustion of cyclohexane occurs according to the following equation: CSH12(g) + 902(g)…

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Q: Which of the following is likely to have the highest standard entropy in the liquid state? O…

A: Entropy is the measure randomness or disorderness of molecule

Q: Calculate the standard change in Gibbs free energy for the combination reaction of sulfur dioxide…

A: Gibb's free energy can be calculated by a general formula-  ΔG = ΔH - TΔS

Q: Is the formation of ozone (O3(g)) from oxygen (O2(g)) spontaneous at room temperature under standard…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The standard Gibbs free energy (∆G°rxn) for the formation of sulfur trioxide from sulfur dioxide and…

A: Given reaction: SO2 (g) + ½ O2 (g) → SO3 (g) The standard Gibbs free energy (∆G°rxn) for the…

Q: Which one of the following processes produces a decrease in the entropy of the system? precipitation…

A: Entropy is defined as the measure of randomness in the particles of a given substance or system. If…

Q: Consider the following reaction at 25°C: 3 Ni(s) + N:(g) + 3 H2O(g) → 3 NiO(s) + 2NH:(g) where K =…

A: Given: The temperature is 25° C. The value of K is 6.74×10-4. The value of ∆G is 11.5 kJ/mol. The…

Q: Carbon monoxide, a toxic product from the incomplete combustion of fossil fuels, reacts with water…

A: Spontaneity of a reaction can be predicted by calculating the value of Gibbs free energy change. For…

Q: A certain reaction is spontaneous at 65 ° C. If the enthalpy change for the reaction is  15…

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Q: 1. The magnitude of any enthalpy change depends on the conditions of temperature, pressure and state…

A: Solutions-

Q: The entropy change for a reaction is -21.0 J/K.  If delta H is -10.0 kJ/mol, calculate Keq at 100o C…

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