Which one is not a state function Internal energy .A Enthalpy .B Work .C Gibbs free energy .D

Q: When the entropy change of the surroundings is negative, the enthalpy change for system cannot be…

A: ∆S universe= ∆S system+ ∆S surrounding. Given that ∆S uni.= -ve. The reaction is non spontaneous.…

Q: Explain Internal energy (U)?

A: Internal energy is the total energy contained in a system, so it is equal to the sum of all possible…

Q: he sum of the entropy changes of the system and the surroundings (∆SSYS + ∆SSURR) are:

A:

Q: Under what condition(s) is the enthalpy change of a process equal to the amount of heat transferred…

A: The relationship between enthalpy of process and internal energy change is given by  ΔH = ΔE + Δ(PV)…

Q: 3A HacHon releaser 615 calores Of heat ond perfommJ 355 Joules 515 calones of WORK HS SURROUndings…

A:

Q: A 0.001774 mol sucrose is burned in bomb calorimeter with a heat capacity of 10411 J/oC. A…

A: ∆H = Cv×∆T ∆H= heat = ?   Cv = heat capacity of the calorimeter = 10.411 kJ/ºC ∆T = change in…

Q: During an isothermal expansion of an ideal gas The work done by the gas is positive. O The internal…

A: The term "isothermal" refers to a temperature that does not change. The term "expansion" refers to…

Q: Consider the following process: a system changes from state 1 (initial state) to state 2 (final…

A: State functions are those functions whose value depends only on the initial and final state but…

Q: A system goes from state 1 to state 2 and back to state 1.(a) Is ΔE the same in magnitude for both…

A: Part A: The change in internal energy is a state function. The value of internal energy is dependent…

Q: reversible process

A: False

Q: Relate the first law of thermodynamics to how the internal energy of a system can change. Use the…

A: Answer  The first law of thermodynamics states that the energy of…

Q: In a sample of NH3(g) condenses reversibly at 100 oC releasing 2260 J of heat to the surroundings.…

A: The change in entropy of the system is; T=100oC+273.15=373.15 K∆Ssystem=-∆HT=-2260 J373.15 K=-6.056…

Q: When the entropy change of the surroundings is negative, the enthalpy change for system will be…

A: The entropy of a substance is the measure of disorder. As the disorder in the substance is…

Q: What is the significance of entropy being a state function?

A:

Q: whether the entropy change will be positive or negative wl

A: The total entropy of a system either increases or remains constant in any process and it never…

Q: 4M(s) + 3O2 ⟶⟶2M2O3(s) The heat capacity of the empty calorimeter is 458 J/oC and the calorimeter…

A: When the metal is combusted in a bomb calorimeter then temperature of water will raise as water will…

Q: Assuming gasoline is pure C8H18, predict the signs of q and w for the process of combustion gasoline

A: Combustion reaction is known as burning in which something reacts with oxygen. Commonly organic…

Q: (a) (i) What are the thermodynamic quantities of a system that affect the amount and sign of the…

A:

Q: A system delievrs 225 J of heat to the surrondings while delivering 645 J of work. Calculate the…

A: Applying first law of thermodynamics ∆U= Q-w

Q: The energy of the universe is constant. That what mentioned by the first law of ?thermodynamics,…

A:

Q: Equation of the first law of thermodynamics is O a. Internal Energy= Heat rejected into work done O…

A:

Q: According to the second law of thermodynamics, a system and its surroundings spontaneously tend…

A: according to second law of thermodynamics a system and its surroundings spontaneously tend toward…

Q: A sample of 2.95 mol H2 (C, = 20.5 J K-' mol"') at 21°C and 1.50 atm undergoes a reversible…

A:

Q: Which of the following is the correct statement about first law of thermodynamics? O Frist law of…

A: According to first law thermodynamics,  energy can neither be created nor be destroyed.

Q: What is the entropy change for an adiabatic reversible process? O Zero O Negative O One O Positive

A: In an adiabatic reversible process, there is no change of heat in the process.

Q: s) False Entropy changes in the system are primarily determined by heat flow in and out of the…

A:

Q: What are the first and second laws of thermodynamics andwhat are their defining equations?

A: Thermodynamics deals with the heat, work, energy and temperature phenomenon. There are four laws…

Q: The combustion of 2.474 g of propanol (C3H7OH) increases the temperature of a bomb calorimeter…

A:

Q: Consider this reaction: 4NH3 + 702 à 4NO2 + 6H₂O. What is the value of ΔΗ, rxn given the standard…

A:

Q: A 7.24-g sample of ethane occupies 4.65 L at 294 K. (a) Calculate the work done when the gas expands…

A: Isothermal is process done under constant temperature.

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: 37 S) For a particular process that is carried out at constant pressure, q = 145 kJ and w = -35 kJ.…

A:

Q: Why is the work done when a system expands against a con-stant external pressure assigned a negative…

A: In thermodynamics, pressure volume work is done when the pressure is applied on the system to change…

Q: In a cyclic process involving an ideal gas, the net change in the internal energy of the gas is zero…

A: The internal energy is the total energy contained in the system and is the sum of kinetic and…

Q: Which of the following which is/are true about the internal energy, E?      (i)   E = Efinal –…

A: The change in internal energy is a state function which depends only on initial and final position.…

Q: For a certain process at 455 K, A G=-12.1 kJ and A H=-9.2 kJ. Therefore, A S for the process is

A: Given :-  ∆G = -12.1 kJ  ∆H = -9.2 kJ  T = 455 K  To calculate :  ∆S (inJ/K mol)

Q: 6600 J of heat flow into 0.014 m of a monatomic gas at 1.5 x 10° N/m². The gas expands isothermally…

A: Given: Amount of heat flow into the system = 6600 J Pressure  = 1.5 x 105 N/m2 Initial volume of gas…

Q: State the 3rd law of thermodynamics. How is it interpreted in microscopic thermodynamic sense?

A:

Q: he standard entropy change fo

A:

Q: What is the mass of 5.00 mol of ethanol?         b) How much heat Q enters the ethanol?       c)…

A: Given  5 moles of ethanol warmed from 10oC to 60oC. Pressure=1 atm  Molar mass of ethanol is 46.1…

Q: 13. The enthalpy change, AH, of a process is defined as: The quantity of heat transferred in or out…

A: Answer:- When heat is exchanged between system and surrounding at constant volume it is called…

Q: How is Hess's Law related to the First Law of Thermodynamics?

A: Hess' s law is related to first law of thermodynamics as follows:

Q: As a 1.00-mol sample of a monatomic ideal gas expands adiabatically, the work done on it is -2.50 ×…

A: Work done, W = - 2500 J Initial pressure, Pi = 3.60 atm Initial temperature, Ti = 500 K

Q: Which one of the systems would have more entropy and why if there's 3 particles w a total energy of…

A: The systems given are, Given: The number of particles is 3 And the total energy of particles is 12…

Q: Exothermic Changes: the system by the surroundings the surroundings. The heat the freedom of motion…

A: Exothermic changes The system looses heat to the surrounding.the heat gain by the surrounding…