How much energy will be released when 2 liters of water condense?
| March 1, 2021 | education
During condensation, water will change from a gaseous state (vapor) to a liquid. For calculations, we assume that the water did not cool down further.
Q = L * m, where L is the specific heat of vaporization (for water L = 2.3 * 10 ^ 6 J / kg), m is the mass of the resulting water after condensation (m = ρ * V, where ρ (water density) = 1000 kg / m3, V (water volume) = 2 l = 2 * 10 ^ -3 m3).
Q = L * ρ * V = 2.3 * 10 ^ 6 * 1000 * 2 * 10 ^ -3 = 4.6 * 10 ^ 6 J = 4.6 MJ.
Answer: When 2 liters of water condense, 4.6 MJ of energy will be released.
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