Problem 1. One mole of a perfect gas contained in a 10-liter vessel at 27 degrees Celsius is permitted to expand freely into an evacuated vessel of 10-liter capacity so that the final volume is 20 liters. What amount of work is done and what amount of heat is absorbed in the process? What is the change in the entropy accompanying the process?

Q: When both the enthalpy change and entropy change are negative, what is the spontaneity of the…

A: Relationship between enthalpy change entropy change and free gibbs energy: ∆G = ∆H - T∆S Where, ∆G =…

Q: Which of the following would be expected to have the greatest standard molar entropy at 298K? Ca (s)…

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Q: In the first stage of the industrial production of nitric acid, ammonia reacts at high temperature…

A: Given reaction, 4NH3(g) + 5O2(g) <====> 4NO(g) +6H2O(g) Entropy: Entropy measure randomness or…

Q: Choose the one that would be expected to have the higher standard molar entropy at 25C: A) CH3OH(g)…

A: Entropy measure the degree of disorderness of a system, disorderness increase entropy also increase…

Q: a) Give the steps required to calculate the entropy change for a sample of argon gas which is…

A: So here, the process involves both the change in temperature from 300 K to 100 K and a change in…

Q: Calculate the molar entropy of vapourization at its normal boiling point for each of the following.…

A: The entropy of vaporization is then equal to the heat of vaporization divided by the boiling point.

Q: Identify the following statements as True or False. V CH3OH (1) has a lesser molar entropy than…

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

A: Entropy measures the randomness of a system. At equilibrium, entropy is maximum.

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

A: By cooling ( decreasing the temperature ) we decrease the randomness or entropy of the system, So…

Q: 0, Place the following liquid compounds in order of decreasing standard molar entropy Group of…

A: Entropy is the measure of a system's thermal energy per unit temperature. It is unavailable for…

Q: 4.5 moles of an ideal gas starting at 433 kPa expands from 25.4 liters to 54.1 liters while held at…

A: The measure of randomness in a system is named as entropy. The larger magnitude of entropy…

Q: Which of the following is expected to have the highest standard molar entropy at 298.15 K? O C3H8…

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

A: Entropy is a measure of randomness or disorderness of the system. The order of entropy of different…

Q: Calculate the change in entropy resulting from mixing the following gases (1.5 mole of A gas + 2mole…

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

A: The given problem is based on the concept of entropy of a substance.

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

A: Answer:Entropy is a measure of system's disorderliness or randomness. In more possible microstates…

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: The sum of the entropy changes of the system and the surroundings (ASsys + ASSURR) are: O Generally…

A: A system and it's surrounding constitute the Universe. System+ Surrounding= Universe

Q: Which of the following transformations represent an increase in the entropy of the system. Choose…

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Q: Calculate the change in entropy suffered by 2 moles of an ideal gas on being heated from a volume of…

A: Answer is explained below. Given that, moles of ideal gas = n = 2 moles. V1 = initial volume = 100…

Q: Calculate the total change in entropy for a process in which 10.0 grams of liquid water at 10.0…

A: Water has three phase, solid ice, liquid water and vapor. For conversion of one phase to another…

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

A: Given:

Q: In the first stage of the industrial production of nitric acid, ammonia reacts at high temperature…

A: Rxn : 4 NH3(g) + 5O2(g) ---> 4 NO(g) + 6 H₂O(g)

Q: Calculate entropy change for 1 mol of nitrogen gaswhen it is heated from 0 Celsuis to 100 Celsius…

A: Unit of temperature is converted as follows,

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

A: Entropy ( S ) is the degree of disorderness. More disoreder the molecules, greater will be the…

Q: Two flasks are joined, seperated by a stopcock. The volume of Flask A is 350.0 mL, and the volume of…

A: The change in entropy at same temperature is calculated by the formula,         ∆S=nRlnV2V1 Where,…

Q: wo vessels of equal volume are connected by a short length of pipe containing a valve. One vessel…

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Q: 1 mole of an ideal gas exist at a temperature (200 K) and at a constant volume . Calculate the…

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Q: 1 mole of an ideal gas exist at a temperature (310 K) and at a pressure of 1.0 atmospheric pressure.…

A: ∆S = Cp ln(T2/T1) ∆S = (30) ln(675/310) ∆S = (30) (0.778) ∆S = 23.34 J.K-1

Q: Draw a reaction mechanism using 1 equivalent of dicarboxylic acid with 2 equivalents of methanol to…

A: We have given that  Draw a reaction mechanism using 1 equivalent of dicarboxylic acid with 2…

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

A: Entropy is a measure of randomness of a molecule or compound or a system.  If there is greater…

Q: Consider the combustion of acetylene in nitrous oxide. C₂H₂(g) +5N₂O(g) → 2 CO₂(g) +5N₂ (g)…

A: We have find out the solution.

Q: Before we did any calculations we could predict the sign on the entropy change of the surroundings…

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

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

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

A: Here, we have to find whether the entropy of the system would increase, decrease, or remains the…

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: When 2.5 moles of gas at 200 K and 95 kPa undergoes isothermal compression, its entropy decreases by…

A: Let's break down the problem step by step.Entropy Change during Isothermal Compression:The entropy…

Q: Consider a sample of perfect gas (0.10 mol) held inside a cylinder by a piston such that the volume…

A: Given : Moles of gas = 0.10 mol. Initial volume of gas = 1.25 dm3 = 1.25 L…

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

A: The objective of the question is to predict the entropy change associated with the change in the…

Q: For each equation, determine the sign of the entropy change of the system. If you are not able to…

A: Entropy : Entropy is the degree of measurement of disorderliness of the system . Gases have higher…

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

A: Given:

Q: Which of the following statements is/are correct?    The entropy of 1 mole of Br2 liquid at 65oC…

A: To solve this problem we have to know about the factors affecting entropy .