# What are the two statements of the first law of thermodynamics? (2023)

## What are the two statements of the first law of thermodynamics?

The different statements of the first la of thermodynamics are as follows : (i) Energy can neither be created nor be destroyed, but it can be converted into other from and vice versa. (ii) The sum total of the energy of the universe remains constant.

What are the two statements for the first law of thermodynamics?

The different statements of the first la of thermodynamics are as follows : (i) Energy can neither be created nor be destroyed, but it can be converted into other from and vice versa. (ii) The sum total of the energy of the universe remains constant.

What are the two statements of law of thermodynamics?

The Second Law of Thermodynamics states that the state of entropy of the entire universe, as an isolated system, will always increase over time. The second law also states that the changes in the entropy in the universe can never be negative.

What are the two statements of the first law of thermodynamics and explain internal energy is a state function?

(a) Energy can neither be created nor destroyed (Law of conservation of energy). (b) Total energy of an isolated system is constant. Mathematically it can be stated that, the change in internal energy of a system is equal to the heat added to the system plus the amount of work done on the system by the surroundings.

Which of the following statements of the first law of thermodynamics is correct?

The correct answer to the above question is: a) Energy cannot be created or destroyed. The first law of thermodynamics is also known as the law of energy conservation and states that energy within a closed system can be neither created out of nothing nor altogether destroyed.

What is statement 2 second law of thermodynamics?

The second law of thermodynamics describes the nature of processes and chemical reactions as follows: processes occur spontaneously if and only if by their process, the entropy change in the universe, is greater than or equal to zero.

What are the two classical statement of the second law of thermodynamics?

The Clausius Statement was expressed as “Heat can never pass from a colder to a warmer body without some other change, connected therewith, occurring at the same time”, and the Kelvin–Planck Statement as “It is impossible to construct a device that operates in a cycle and produces no other effect than the production of ...

Which of the following is a statement of the first law?

Answer and Explanation: The correct answer: The statement of the First Law of Thermodynamics is C. Energy cannot be created or destroyed. The First Law of Thermodynamics states that the energy in the universe is conserved.

Which of the following is a statement of the First Law of Thermodynamics quizlet?

Which of the following is a statement of the first law of thermodynamics? Energy can be transferred/transformed, but it cannot be created or destroyed.

What are the two statements of second law of thermodynamics prove that both are same by soul?

Clausis statement and equivalence to Planck statement.

## What are the two laws of thermodynamics in your own words explain what each one means for living organisms?

How do the laws of thermodynamics apply to living organisms? The First Law says that energy cannot be created or destroyed. The Second Law says that in any energy conversion, some energy is wasted as heat; moreover, the entropy of any closed system always increases.

What is the first law of thermodynamics and internal energy?

The first law of thermodynamics states that the energy of the universe is constant. The change in the internal energy of a system is the sum of the heat transferred and the work done. The heat flow is equal to the change in the internal energy of the system plus the PV work done.

What is the first law of thermodynamics ________?

The first law of thermodynamics states that, energy can neither created nor destroyed, but it can be converted from one form to another form. Therefore, according to the first law of thermodynamics, energy is conserved.

Which one is not a correct statement of the first law of thermodynamics?

The first law of thermodynamics doesn't introduce the concept of entropy.

What does the first law of thermodynamics state ____________?

Put another way, the First Law of Thermodynamics states that energy cannot be created or destroyed. It can only change form or be transferred from one object to another.

What are the 1st 2nd and 3rd laws of thermodynamics?

1st Law of Thermodynamics - Energy cannot be created or destroyed. 2nd Law of Thermodynamics - For a spontaneous process, the entropy of the universe increases. 3rd Law of Thermodynamics - A perfect crystal at zero Kelvin has zero entropy.

What are the 2 first and second law of thermodynamics?

Two fundamental concepts govern energy as it relates to living organisms: the First Law of Thermodynamics states that total energy in a closed system is neither lost nor gained — it is only transformed. The Second Law of Thermodynamics states that entropy constantly increases in a closed system.

Which of the following is an example of the first law of thermodynamics?

The correct option is (B) While melting, an ice cube remains at the same temperature.

What is the 2nd law of thermodynamics quizlet?

The second law of thermodynamics states that the total entropy can only increase over time for an isolated system, meaning a system which neither energy nor matter can enter or leave.

What is the statement of the third law of thermodynamics?

The third law of thermodynamics states that the entropy of a system approaches a constant value as the temperature approaches absolute zero. The entropy of a system at absolute zero is typically zero, and in all cases is determined only by the number of different ground states it has.

## What is the first first law?

Newton's First Law: Inertia

Newton's first law states that every object will remain at rest or in uniform motion in a straight line unless compelled to change its state by the action of an external force. This tendency to resist changes in a state of motion is inertia.

What is the definition of first law and second law?

In the first law, an object will not change its motion unless a force acts on it. In the second law, the force on an object is equal to its mass times its acceleration.

What is first law and example?

Basically, the law states that an object at rest stays at rest and an object continues its state of motion until an external force acts on it. Here are some examples: One's body movement to the side when a car makes a sharp turn. Tightening of seat belts in a car when it stops quickly.

Which one of the following is not a statement from the second law of thermodynamics?

CO2 is exhaled as a by-product of aerobic respiration is not an example of second law of thermodynamics.

Which one of the following statements regarding the 2nd law of Thermodynamics is true?

2nd law of Thermodynamics states that all spontaneous process are irreversible.

How does the First Law of Thermodynamics differ from the second?

The key difference between first law and second law of thermodynamics is that the first law of thermodynamics states that energy cannot be created or destroyed, and the total quantity of the energy in the universe stays the same, whereas the second law of thermodynamics describes the nature of energy.

Why do we need two laws of thermodynamics?

The first law places no restriction on the direction of a process, and satisfying the first law does not guarantee that the process will occur. Thus, we need another general principle (second law) to identify whether a process can occur or not.

What are the two laws of thermodynamics in energy flow?

This energy flow is based on two different laws of thermodynamics: First law of thermodynamics, that states that energy can neither be created nor destroyed, it can only change from one form to another. Second law of thermodynamics, that states that as energy is transferred more and more of it is wasted.

What is the 2nd law of thermodynamics in simple terms explain it with example?

The second law of thermodynamics says, in simple terms, entropy always increases. This principle explains, for example, why you can't unscramble an egg.

What are 2 main types of energy?

Many forms of energy exist, but they all fall into two categories:
• Potential energy.
• Kinetic energy.

## Where is the first law of thermodynamics?

The first law of thermodynamics can be captured by the following equation: ΔU = Q — W, where ΔU is the change in the internal energy, Q is the heat added to the system, and W is the work done by the system. The total energy of the system is equal to the heat supplied minus the amount of work performed.

What is the first law of thermodynamics question?

The First Law of Thermodynamics states that thermodynamic processes are subject to the principle of conservation of energy, and heat is a form of energy too. This concludes that heat energy can neither be created nor be destroyed.

What are the 2 laws of thermodynamics in a biological system quizlet?

The first law of thermodynamics states that energy can be transferred and transformed, but cannot be created or destroyed. The second law says that every energy transfer or transformation increases the entropy of the universe.

What is the first part of the 2nd law of thermodynamics?

1st Law of Thermodynamics - Energy cannot be created or destroyed. 2nd Law of Thermodynamics - For a spontaneous process, the entropy of the universe increases. 3rd Law of Thermodynamics - A perfect crystal at zero Kelvin has zero entropy.

What is the second name of first law of thermodynamics?

The first law of thermodynamics, or the law of conservation of energy. The change in a system's internal energy is equal to the difference between heat added to the system from its surroundings and work done by the system on its surroundings.

What is the 2nd law of thermodynamics and energy flow in an ecosystem?

Note: The second law of thermodynamics states that whenever energy is distorted, there is a loss of energy through the release of heat. This occurs when energy is transferred between trophic levels as in a food web. When one animal feeds another, there is a loss of heat or energy in the process.

What are two thermodynamics systems examples?

Some examples of thermodynamic systems are washing machines, refrigerators and air-conditioners. Air-conditioner is a closed system that circulates refrigerant inside the system, altering the pressure of the refrigerant at different points to promote the transfer of heat.