Calculate the entropy changes for the following processes: Melting of one mole of tin at its melting point, 213 ᵒC; ΔHfus= 7.029 kJ/mol Evaporation of one mole of liquid carbon dioxide at its boiling point, 216.6 K. ΔHvap= 15.326 kJ/mol

Q: Why is the standard entropy of a substance in the gas state greater than its standard entropy in the…

A: The intermolecular force between gas molecules is less than the intermolecular force between liquid…

Q: The concentration of glucose inside a cell is 0.13 mM. Outside the cell the concentration of glucose…

A: Given that : Concentration of glucose inside the cell (Ci)= 0.13 mM Concentration of glucose outside…

Q: Which of the following statements concerning entropy is/are CORRECT?   1. The entropy of a…

A: The entropy measures the randomness of a system. The entropy of a system will be higher at a higher…

Q: The standard free energy change for the formation of two moles of H2O (l) in a strong acid- strong…

A: Gibbs free energy change of a reaction is given by,  ∆ G = ∆ H - T ∆ S ∆ H is enthalpy change  ∆ S…

Q: Determine the entropy change for the combustion of liquid ethanol, C2H5OH, under standard state…

A:

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

A: Entropy of the process increases when- The randomness of system increases and the system is…

Q: How does temperature effect spontaneity? Under what conditions is enthalpy the dominant…

A: We know that, ΔG = ΔH - TΔS For a reaction to be spontaneous ΔG must be negative in sign ΔG < 0 ,…

Q: Which substance would have the greatest standard molar entropy? O N2(g) NO2(g) O N2(1) O NO2(1)

A: Entropy (S): entropy dependence on randomness of a system . For example randomness order…

Q: From each of the following pairs of substances, choose the one expected to have the greater absolute…

A: We define entropy as the measure of degree of randomness and disorder in a system.    (a) Pb(s) or…

Q: Calculate the standard free energy for the combustion of 1 mole of ethylene, C₂H₄(g), in the gas…

A: The reaction for the combustion of ethylene in gas phase – C2H4g +3O2 g →2CO2g +2H2Og

Q: Which substance would have the smallest standard molar entropy? NO2(g) N2(1) N2(g) NO2(1)

A: Entropy is determined by checking the state of phase . In which state material is available .

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

A:

Q: Indicate whether each statement is true or false. (a) The third law of thermodynamics says that the…

A: The entropy tells the randomness present in the system due to its disorderness created in the…

Q: If the difference between the enthalpy of the products and that of the reactants is positive and the…

A: A spontaneous reaction is a reaction that favors the formation of products at the conditions under…

Q: 8. Predict the sign of the change in entropy for the condensation of steam to liquid water. 9.…

A: Entropy means randomness. The higher the randomness of the system, the higher will be its entropy.…

Q: Calculate the change in entropy when one mole of metallic aluminum is heated at one bar pressure…

A: Enthalpy of fusion for 1 mole of Al is 10699.45 J/molInitial temperature = 25 degC = 298.15K KFinal…

Q: Given 2 moles of hydrogen and 2 moles of oxygen each at temperature of 100˚C and pressure 1 atm…

A: The entropy change in mixing ideal gas is given by the equation ∆Smix=-nR(xAlnxA+xBlnxB)…

Q: Consider the following reaction at 25 °C: 3 NiO(s) + 2 NH₃(g) → 3 Ni(s) + N₂(g) + 3 H₂O(g) a.Given…

A:

Q: Calculate the change in entropy that occurs in the system when 45.8 g of diethyl ether (C4H10O)…

A:

Q: Calculate the change in entropy associated with the production of ammonia from nitrogen and hydrogen…

A: Solution:     Change in entropy is the measure of degree of randomness or disorder in the system. It…

Q: Calculate the standard free-energy change at 25°C for the Haber synthesis of ammonia using the given…

A: Standard free energy change is calculated using formula  ∆G° = ∆H° - T∆S°    Reaction is spontenous…

Q: Calculate the boiling point of carbon tetrachloride if the standard entropy and enthalpy of…

A:

Q: Consider the reaction CH4(g) + H2O(g)CO(g) + 3H2(g) for which H° = 206.1 kJ and S° = 214.7 J/K at…

A:

Q: Why does the entropy of a gas increase when it expands into a vacuum?

A: Entropy of a system is the measure of the randomness or dis-ordered ness of the system. The entropy…

Q: standard entropy

A:

Q: Create a system that shows the third law of thermodynamics and how it relates to the concept of…

A:

Q: What is the change in entropy in a large mass of water at 50 °C when it receives 155 kJ of energy in…

A: Answer is explained below. Given that, the change is reversible and the mass of water is large…

Q: Which of the following involve an increase in the entropy of the system?     Condensation of…

A: Entropy is the degree of randomness or disorderliness of atoms of molecules of the system. As…

Q: In the frog muscle rectus abdominis, the concentrations of ATP, ADP and phosphate are 1.25×10-3 M,…

A:

Q: When the temperature is increased by 1K, which form is thermodynamically more stable?

A: Entropy is defined as the degree of randomness present in the molecules of any substance. It is a…

Q: For each of the following pairs, predict which substance has the higher entropy per mole at a given…

A: Entropy is the measure of randomness.

Q: What is the molar entropy of pure oxygen gas at 25 °C?     Greater than zero     Equal to zero…

A:

Q: The equilibrium constant for a chemical reaction is Kc = 902 at 25°C. What is the standard free…

A: We know that, the standard free energy change of the reaction is related to the equilibrium constant…

Q: If an ideal gas at 1.75 atm and 25 degrees Celsius is isothermally compressed from 800 mL to 150 mL,…

A: Initial volume of the gas, V1 =800 mL Final volume, V2 = 150 mL Calculation of initial moles of the…

Q: 1. Calculate the standard entropy change for the following process: Ha(g) + C2Hag) → C2H6ig) 2.…

A: We have given that  Calculate the standard entropy change for the following process: H2(g) + C2H4(g)…

Q: Question attached

A: Given , mass of ice =100g  100 g H2O(s) at 0°C →∆S10  H2O (l) at 0 °C →∆S20 H2O (l) at 100°C →∆S30…

Q: Which of the following statements is false? O The absolute entropy of a perfect crystal at absolute…

A: Here, we have to find the statement from the given statements that is false.

Q: Predict the change in entropy of the following reaction. NH2 I H2

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

Q: Describe the spontaneity and entropy of the processes. Formation of H2O from H2 and O2: 2H2(g) +…

A: The spontaneity and entropy of the processes are given below

Q: Calculate the change in entropy associated with the Haber process to produce ammonia from nitrogen…

A: Given,  S°(NH3) = 192.5 J/mol-K S°(N2) = 191.5 J/mol-K S°(H2) = 130.6 J/mol-K □Srxn = [Total entropy…

Q: Why does O2 have a higher entropy than H2 when both of them are linear molecules?

A: Molecular oxygen have higher entropy than molecular hydrogen and both are in linear structure.  You…

Q: The enthalpy change when liquid methanol , CH 3 OH , vaporizes at 25 degrees * C is 37.4kJ / m * o *…

A: Given : Enthalpy of vaporisation i.e ΔH = 37.4 KJ/mol = 37400 J/mol                        (Since 1…

Q: (a) Calculate ΔH0rxn , ΔS0rxn and ΔG0rxn for the reaction A + 3B -> 2P  under standard conditions…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only one question out of…

Q: Which of the following best describes the property of entropy? a measure of the disorder of the…

A: Here, among the given options, we have to find which one describes the property of entropy.

Q: In which of the following processes would the entropy of the system increase?   A liquid forming…

A: Entropy is the property of the system which measures the degree of disorder or randomness in the…

Q: Calculate the change in entropy when the pressure of a 55.0 g sample of oxygen gas is increased from…

A: Given- w= 55.0 g Molar mass of O2= 32g/mol P1 =625 mm Hg P2 = 1.24 atm Temperature = 250 C =…

Q: Choose the correct statement Entropy is the measurement of heat dispersal and total entropy…

A: Answer  According second law of thermodynamics measurement of disorder…

Q: Which statement is true about the relationship between entropy and spontaneity? spontaneous…

A: