A gas in an insulated cylinder expands against a steady outside pressure of 1.2 × 10⁵ Pa, from 3.0 litres to 7.0 litres. What is the change in its internal energy?

PhysicsHardHigh School (11–12)Heat & Thermodynamics › Laws of Thermodynamics

A gas in an insulated cylinder expands against a steady outside pressure of $1.2 \times 10^{5}\ \text{Pa}$ , from $3.0$ litres to $7.0$ litres. What is the change in its internal energy?

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