What is the difference between first and second laws of thermodynamics?

Answer 1

I will explain the laws of thermodynamics in the simplest way possible.

The zeroth law, first law, second law, and third law are the four laws of thermodynamics.

#color (red) ("zeroth law")#:

According to this, system A must be in thermal equilibrium with system C if system B is likewise in thermal equilibrium with system C and there is no discernible change between the two systems.

In mathematical terms, A = B if and only if A = C and B = C.

#color (red) ("1st law")#:

Energy cannot be created or destroyed; rather, the total amount of energy entering a system must equal the total amount of energy leaving it, even though energy may be transferred and transformed. This law is also referred to as the law of conservation of energy.

#color (red) ("2nd law")#:

says that in the natural flow of things, the system always prefers chaos to order. Put another way, the total amount of entropy is the sum of the entropies between the system and its surroundings, and the entropy (amount of disorder) in a given closed system irreversibly increases.

#color (red) ("3rd law")#:

states that even crystals, which have the most rigid and ordered structure, cannot be perfect and cannot have zero entropy at absolute zero temperature. Instead, it implies that the entropy of a perfect crystal system at zero Kelvin must equal zero.

I hope these are useful.

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Answer 2

The first law of thermodynamics states that energy cannot be created or destroyed, only transferred or transformed. The second law of thermodynamics states that the entropy of an isolated system tends to increase over time, leading to the idea of the "arrow of time" and the concept of irreversibility in natural processes.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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