Use standard molar entropies to calculate the entropy change (in J/K.mol) for the reaction                         2 CH3OH(l) + 3 O2(g)  →  2 CO2(g) +  4 H2O(l)

Q: Determine the entropy of * H₂(g) + Br2(g) → 2HBr (g)

A: Entropy measures the extent of the randomness of a system. It is represented by S. It increases with…

Q: The entropy change ΔS for a phase transition equals ΔH/T, where ΔH is the enthalpy change. Why is it…

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

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Q: Use the table of standard entropies below to calculate the entropy of the following reaction in…

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Q: The standard molar entropy for Br2(g) is 245.46 J/(mol-K) at 25°C. Given that AS - 104.58 J/K for…

A: For the dissociation of Br2 (g) into Br (g) at 25oC, the entropy change, ΔS, is calculated as shown…

Q: Explain how the entropy of a system is related to the number ofpossible microstates?

A: To find: The relation between the entropy and number of possible microstates

Q: Consider the following reaction under the standard state. 2 NO3 (g) = 2 NO2 (g) + O2 (g) The…

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Q: Which of the following compounds has the largest standard molar entropy, Sᵒ (298.15 K O a. C…

A: Multiple choice question is given here.

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

A: The given reaction is,

Q: A reaction has ΔH °rxn = -112 kJ and ΔS °rxn = 354 J/K. At what temperature is the change in entropy…

A: The quantity of energy that is absorbed inside the system at a given temperature during a particular…

Q: Use the table of standard entropies below to calculate the entropy of the following reaction in…

A: The reaction is as follows: 2NF3 (g) + 6HCl(g) → 6HF (g) + N2 (g) + 3Cl2 (g)

Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction entropy…

A: Calculate entropy of the given reaction --

Q: For which of the following reactions will the entropy of the system decrease? CaCO3(s) → CaO(s) +…

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Q: Consider the general reaction at 29 degrees C: 2 A + 1 B → 3 C + 3 D ΔH reaction = -2,079 kJ…

A: The change in entropy of a system at a constant temperature and constant pressure is given as:…

Q: Calculate the entropy of vaporization of water at 25 °c from thermodynamic data and its enthalpy of…

A: First calculate the entropy change of the given process at 25oC Given, The temperature of the system…

Q: The heat capacity at 1 atm. pressure of solid magnesium in the temperature range from 0°C to 560 °C,…

A: Since the units of T to be substituted in the Cp equation is not mentioned. Hence i'm assuming it to…

Q: Consider the reaction H2(g) + C2H4(g)- →C2H6(g) Using standard thermodynamic data at 298K, calculate…

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Q: Consider the reaction: NH4Cl(aq)NH3(g) + HCl(aq) Using standard thermodynamic data at 298K,…

A: Interpretation -  To determine the  entropy change for the surroundings when 1.76 moles of NH4Cl(aq)…

Q: 15.) Determine the change in entropy of the reaction: SO2 (g) + H2O2 (1) → H2SO4 (1). The standard…

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

Q: Which of the following processes are spontaneous and which are nonspontaneous:formation of CH4 and…

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Q: Consider the general reaction at 26 degrees C: 2 A + 1 B → 3 C + 2 D ΔH reaction = -1,899 kJ…

A: Entropy is the measure of disorder or randomness of a system. The free energy change is given by,…

Q: 9. The standard enthalpy of vaporization of methanol is 35.2 kJ/mol at its normal boiling point,…

A: When a liquid changes to a vapor state the entropy of the system increases. The entropy of…

Q: Suppose 20 g of ice at 0 °C is added to 300 g of water at 60 °C . What is the total change in…

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Q: Water is heated from 25 °C to 35 °C. By how much does its chemical potential change? The standard…

A: Chemical potential (μi) It is called as partial molar Gibb's free energy. It is the change in Gibb's…

Q: List the 3 conditions necessary for determining the standard change in a thermodynamic property,…

A: S is the entropy or the randomness of the thermodynamic system.  G is the Gibbs free energy of the…

Q: How does the standard entropy of a substance depend on its molar mass? On its molecular complexity?

A: Entropy is a thermodynamic property, which is the measure of randomness of a system. Entropy of the…

Q: What is the entropy change of the system in J/K for the reversible cooling of one mole of copper…

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Q: What is the entropy (S) of a system with 6.4 x 1020 microstates?

A: The relation between entropy and number of microstates is given by Boltzmann's equation - S = KB ln…

Q: Calculate the entropy change associated with the isothermal compression of 0.720 mol of an ideal gas…

A: here the concept is entropy and given the condition is isothermal; compression ' so T=0, Constants…

Q: Calculate the molar heat capacity (Cpm ) of Magnesium chloride if the change in entropy is 0.264 J/K…

A: Assuming that the molar heat capacity (Cpm ) of  Magnesium chloride is constant over temperature…

Q: Calculate the standard entropy change for the combustion of methanol, CH3OH:…

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

Q: During a hypothetical process, the entropy of a system increases by 105 J K-1 while the entropy of…

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Q: Calculate the standard entropy of formation of liquid ethanol at 25°C. [S°(Cgraphite) =…

A: If the standard entropies of formation of each substance are known, then the standard entropy change…

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: Consider a process in which the entropy of a system increases by 125 J K−1 and the entropy of the…

A: Entropy change of the universe is the summation of entropy change of the system and entropy change…

Q: Consider the reaction: 4HCl(g) + O₂(g) → 2H₂O(g) + 2Cl2 (9) Using standard absolute entropies at 298…

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Q: A typical resting person heats the surroundings at a rate of about 100 W. Estimate the entropy you…

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Q: If the normal boiling point of a liquid is 67 °C, and the standard molar entropy change for the…

A: Standard molar enthalpy change can be expressed in terms of standard molar entropy change and…

Q: In which case will a chemical reaction ALWAYS proceed spontaneously at all temperatures (DH and DS…

A: Feasibility of a reaction depends on the change in Gibbs free energy ∆G.  The value of change in…

Q: Why do exothermic processes tend to be spontaneous at low temperatures? Why does their tendency…

A: According to second law of thermodynamics,

Q: In which of the following processes does the entropy of the system decrease? (i) CH4(g) + 2 O2(g)…

A: Entropy is the measurement of disorder.  Gases have more entropy than liquids and liquids have more…

Q: Estimate the change in the entropy of the universe due to heat escaping from your home on a cold…

A: Entropy is a measure of randomness. The change in entropy of the universe will be given by adding…

Q: In the reactions: 2SO­3(g) → 2SO2(g) + O2(g) and CaO­(s) + CO2(g) → CaCO3(g), the entropy of the…

A: Balanced Reaction 2SO­3(g) → 2SO2(g) + O2(g)  Number of gas molecules reacts is 2 Number of gas…

Q: Consider the reaction N2(g) + 3H2(g)- →2NH3(g) Using standard thermodynamic data at 298K, calculate…

A: Please have a look on the solution:

Q: Suppose we redefine the standard state as P = 2 atm. Find the new standard  values of each…

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