What is the change in internal energy of an ideal gas when it is heated at const

What is the change in internal energy of an ideal gas when it is heated at constant volume? (2021) 2021

What is the change in internal energy of an ideal gas when it is heated at constant volume? (2021) 2021

Step 1: Understand that internal energy (U) is the energy contained within a system, like an ideal gas.
Step 2: Recognize that when a gas is heated, it gains energy.
Step 3: Note that 'constant volume' means the gas does not expand or contract; its volume stays the same.
Step 4: Realize that when the gas is heated at constant volume, all the heat added goes into increasing the internal energy.
Step 5: Use the formula: Change in internal energy (ΔU) = Heat added (Q).
Step 6: Conclude that at constant volume, the change in internal energy is equal to the heat added.

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