In thermodynamics, what does the first law of thermodynamics state?

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Question: In thermodynamics, what does the first law of thermodynamics state?

Options:

Correct Answer: Energy cannot be created or destroyed

Solution:

The first law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another.

In thermodynamics, what does the first law of thermodynamics state?

In thermodynamics, what does the first law of thermodynamics state?

Correct Answer: Energy cannot be created or destroyed, only transformed.

Step 1: Understand that energy is a property that can exist in different forms, like heat, light, or mechanical energy.
Step 2: Recognize that the first law of thermodynamics is about the conservation of energy.
Step 3: Learn that this law states energy cannot be created from nothing or completely disappear.
Step 4: Realize that energy can only change from one form to another, like turning chemical energy in food into kinetic energy when you move.
Step 5: Conclude that the total amount of energy in a closed system remains constant, even though it may change forms.

First Law of Thermodynamics – The principle that energy in a closed system is conserved, meaning it can change forms but cannot be created or destroyed.