Two kilograms of water at 100°C is converted to steam at 1 atm. Find the work done (in J). (The density of steam at 100°C is 0.598 kg/m³.) A) 3.4 × 10⁵ B) 1.2 × 10⁵ C) 4.6 × 10⁴ D) 2.1 × 10⁴ E) 3.4 × 10⁴

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Quizplus · Accepted Answer

The work done during the conversion of water to steam at constant pressure is given by W = PΔV. The change in volume ΔV can be calculated using the density of steam: ΔV = mass/density = 2 kg / 0.598 kg/m³. Using P = 1 atm = 101325 Pa, the work done is W = 101325 Pa × ΔV, which calculates to approximately 3.4 × 10⁵ J.

Two Kilograms of Water at 100°C Is Converted to Steam