According to the first law of thermodynamics, what quantity is conserved?  What is meant by the internal energy of a system?  By what means can the internal energy of a closed system increase?

Q: What are the units of entropy and enthalpy?

A: Enthalpy is the amount energy absorbed or released in a process.Entropy is the measure of randomness…

Q: (a) According to the first law of thermodynamics, whatquantity is conserved? (b) What is meant by…

A: The First Law of Thermodynamics states that energy can be converted from one form to another with…

Q: State the first law of thermodynamics in terms of (a) the energy of the universe; (b) the creation…

A: The first law of thermodynamics has to be stated,

Q: What is the role of the second law of thermodynamics?

A: According to second law of thermodynamics, the entropy of the universe always increases due to…

Q: . Explain how the sum of heat and work can be a state function,even though heat and work are…

A: Given : Explain how the sum of heat and work can be a state function,even though heat and work are…

Q: Does the law of conservation of energy relate to energy exchanges between a thermodynamic system and…

A: For an isolated system, its total energy remains constant. The energy of system will change if it…

Q: True or False? Because a state function depends on the current equilibrium of the system, a set of…

A: True.

Q: What is heat capacity? Explain the difference between heat capacity and specific heat capacity.

A: The expression for the amount of heat transferred is as follows,…

Q: What is internal energy? Is internal energy a state function?

A: Energy is the capacity of doing work. It is transferred from one object to other.

Q: What are the units of molar heat capacity?

A: Molar Heat capacity: The heat required to raise the temperature of 1 mole of substance by 1 degree…

Q: Why not all endothermic processes that do work on the surroundings have the same sign for internal…

A: Endothermic processes are the processes which absorb heat energy from the surroundings. These…

Q: Which is/are state functions: I. work, w II. Heat, q III. enthalpy, H IV. Internal energy, E

A: Here we have to choose which are state function.

Q: One statement of the first law of thermodynamics is that pick one the amount of work done on a…

A: The first law of thermodynamics is basically the conservation of energy. It stats that the total…

Q: What are the two main components of the internal energy of a substance? On what are they based?

A: The two main components of the internal energy of a substance has to be given.

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

A: Internal Energy is defined as energy dissociated with the random, disordered motion of Molecules.

Q: Which statement disagrees with the second law of thermodynamics? During energy conversion, some…

A: The branch of chemistry which involves the study of heat transfer, work done and energy change of…

Q: Which change is more likely to happen spontaneously: (a) Endothermic Change or (b) Exothermic…

A: Given: endothermic and exothermic change. To find: the change which is more likely to happen…

Q: State the law of conservation of energy. How does it relate to energy exchanges between a…

A: For an isolated system, its total energy remains constant. The energy of system will change if it…

Q: What do you mean by Enthalpy and Entropy ?

A: Enthalpy for the reaction is the energy, generally in the form of heat, which is required in case of…

Q: Which of the following are state functions? (i) energy, (ii) work, (iii) enthalpy, (iv) heat, (v)…

A: In thermodynamics, state function is a property of a system whose value depend only on the state of…

Q: What is the first law of thermodynamics and how does it relate to energy use?<

A:

Q: Identify the three statements from the list below that BEST describe the first law of…

A: Solution :      Thermodynamics is a branch of chemistry that shows the effects of heat, energy and…

Q: Explain what is first law of thermodynamics. How it is related to the conservation of energy?

A:

Q: Calculate for the mechanical energy of an object that has a potential energy of 12 kJ and a kinetic…

A:

Q: A statement of the second law of thermodynamics is that a. energy is conserved in a chemical…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: What is nature’s “heat tax” and how does it relate to energy use?

A: According to first law of thermodynamics the change in internal energy is equal to the heat absorbed…

Q: explain the concept of heat capacity and enthalpy explain briefly

A: Heat capacity = Heat capacity is the amount of heat given to the compound so that it's temperature…

Q: provide an explanation for why the first law of thermodynamics is important in every chemical…

A: A  question based on chemical thermodynamics that is to be accomplished.

Q: Describe the first law of thermodynamics? What are its implications?

A: Thermodynamics is the branch of science which deals with the study of the transfer of heat.…

Q: What are three situations relating to thermodynamics and thermochemistry in the context of real-life…

A: Thermodynamics studies the relationship between heat and work. It is based on the laws of…

Q: What is the change in internal energy of the system? Exp

A: Given Q = 198 kJ            W = 120 kJ

Q: What is pressure-volume work? How is it calculated?

A: Pressure-volume work is the work which is done by or done on the fluid or gaseous system during…

Q: What is FALSE regarding the laws of thermodynamics? Select one: a. Energy can be neither created nor…

A: Temperature, energy, and entropy are only a few of the physical parameters that the rules of…

Q: How does the picture become chemical thermodynamics? It is reversible? What are the type of…

A: Chemical thermodynamics is the branch of science deals with the study that relates the heat, energy,…

Q: Write an equation that expresses the first law of thermodynamics in terms of heat and work.

A: The First Law of Thermodynamics states that energy can be converted from one form to another with…

Q: change in the internal energy

A:

Q: What are the two main components of the internal energy ofa substance? On what are they based?

A: The two main component of internal energy of a substance are: 1) KINETIC ENERGY (K.E.):   the total…

Q: Calculate the energy change for a system undergoing an exothermic process in which 15.4 kJ of heat…

A: Given : Heat energy = 15.4 kJ Work done = 6.3 kJ

Q: As we all know that microwave oven while warming up the sample by providing enough energy to rotate…

A: State function- Any property of system which depends on initial and final state of system that is…

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

A: a. i. The thermodynamic quatities that affect the amount and sign of the internal energy change of…

Q: Two metals of equal mass with different heat capacities are subjected to the same amount of heat.…

A: Please have a look on the answer:

Q: How is the change in internal energy of a system related to heatand work?

A: Introduction: Internal energy: Internal energy of a system is defined as the total energy contained…

Q: What are the two factors that determine the change in energy of a system? O heat and temperature O…

A: By the first law of thermodynamics, The change in energy of a system equals the net heat transfer…

Q: :The 1st law of thermodynamic is called .A The creation of energy .B The conservation of energy .C…

A:

Q: (a) If you apply the same amount of heat to 1.00 mol of an ideal monatomic gas and 1.00 mol of an…

A: a.

Q: Which of the following equations is TRUE about combustion in the context of first law of…

A: Combustion in general, a reaction between hydrocarbon and oxygen to produce CO2, H2O and large…