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The first law of thermodynamics can be written as U = Q + W

Question

The first law of thermodynamics can be written as $Δ U = Δ Q + Δ W$ for and ideal gas. Which of the following statements is correct?

Δ U

is always zero when no heat enters or leaves the gas

Δ W

is the work done by the gas in this written law

Δ U

is zero when heat is supplied and the temperature stays constant

Δ Q = - Δ W

when the temperature increases very slowly

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The first law of thermodynamics can be written as

Δ U = Δ Q + Δ W

for and ideal gas. Which of the following statements is correct?

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Question Text

The first law of thermodynamics can be written as

Δ U = Δ Q + Δ W

for and ideal gas. Which of the following statements is correct?

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