wo vessels of equal volume are connected by a short length of pipe containing a valve. One vessel contains air and the other is completely evacuated. Calculate the change of entropy per kg of air in the system when the valve is opened and the air is allowed to fill both vessels at constant temperature.

Q: Explain how the internal energy and entropy of a system composed of two levels vary with…

A: SOLUTION: Step 1: Consider a two-state system in which the lower state is assigned an energy equal…

Q: One mole of a monoatomic ideal gas initially at 300 0K is heated to 500 0K. a) Calculate the change…

A: Specific heat capacity at constant volume Cv = 3R/2 Specific heat capacity at constant pressure Cp =…

Q: Molecular systems tend to move spontaneously to a state where the energy can be distributed in the…

A: Following are the signs of delS total .

Q: Determine the standard enthalpy change, entropy change, and free energy change for the conversion of…

A: The given process can be represented as follows, The standard enthalpy change for the reaction can…

Q: Two blocks, each containing 2.00 moles of silver (Cp=25.35 Joules per Kelvin per Mole), are brought…

A: Given: Cp = 25.35 joules per Kelvin per mole T1 = initial temperature = 373 K T2 = Final temperature…

Q: Determine whether each of the following statements about the thermodynamic functions are True or…

A: Thermodynamic function called Gibbs free energy is used to determine absolutely spontaneity of a…

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: 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: Predict whether the entropy or disorderliness of the system where the following changes occur is…

A: Answer: Entropy of the system is measure of its disorderliness and as we know gases are more…

Q: One mole of a monoatomic ideal gas initially at 300 K is heated to 500 K. a) Calculate the change in…

A: In all three kaise use entropy formulas for constant volume and pressure T2= 500k     T1 = 300 k(1)…

Q: TRUE OR FALSE Entropy of a system decreases with decrease in Temperature.

A: Entropy of a system decreases with decrease in temperature is true or false ?

Q: How does the third law of thermodynamics allow absolute entropies of substances to be determined? A)…

A: The Third law of thermodynamics states that  " a substance which is perfectly crystalline at…

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: Determine the change in extensive entropy for a change in temperature of a unit mass of liquid…

A:

Q: In chemical reactions, heat is either released or absorbed and entropy either increases or…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is: ∆G=∆H-T∆S…

Q: Identify whether there will be an increase or a decrease in entropy for the system. Nitrogen gas…

A:

Q: Iculate the work đönë On he change is brought abou

A: To obtain the solution of the above question, will use the ideal gas equation which is:

Q: Consider an ideal monatomic gas consisting of N atoms. Initially, it is contained in a volume of V.…

A: We have given - isothermal Process,   So temperature is constant.  Which also means  dH = 0 , dU =…

Q: A cube of ice of mass 100 g is put into a glass of water at just above 0 °c. When the ice melts,…

A: A cube of ice of mass 100 g is put into a glass of water just above 0˚C. ∆Hfus = 6.01 kJ/mol…

Q: entropy

A:

Q: Two containers are connected by a valve. In container A, there are 3 mols of He. In container B is 4…

A: The mole fraction of He, χHe, and Ar, χAr, after the mixing is calculated as shown below.…

Q: 6. Consider a fertilized hen egg in an incubator in constant temperature and pressure environment.…

A: In thermodynamics, entropy is a measure of the amount of thermal energy in a system that is…

Q: How could the calculated enthalpy be used to determine the minimum entropy required for a…

A: We are to discuss how to calculate the minimum required entropy for a spontaneous using the enthalpy…

Q: What happens to the entropy of an isolated system during an irreversible process?

A: For isolated system, there is no exchange of heat or energy between system and surrounding.  Hence,…

Q: Spontaneous When entropy is positive and enthalpy is negative, a process is spontaneous. This means…

A: Answer: Relation between Gibbs free energy change, enthalpy change and entropy change is: ∆G=∆H-T∆S…

Q: 17. Consider a system consisting of the following apparatus, in which gas is confined in one flask…

A:

Q: A 2.5 g sample of carbon dioxide gas initially has a volume of 5.0 L at 298 K. Calculate the change…

A: Answer: In the given problem reversible isothermal compression of CO2 is taking place and we have to…

Q: 3. Two vessels of equal volume are connected by a short length of pipe containing a valve. One…

A:

Q: A reaction, run at 298 Kand constant pressure, is found to have a standard Gibbs free energy of…

A:

Q: Consider the system shown. What is the change in entropy for the process where the energy is…

A: The change in entropy of the given system has to be given, The change in entropy can be calculated…

Q: 2.0 mol of hydrogen gas and 3.0 mol of argon gas are mixed at the same pressure and temperature,…

A: To determine the change in entropy and change in molar Gibbs free energy at 298.15K when 2.0 mol of…