What energy is required to melt a 4 kg steel cylinder taken at the melting temperature?
| July 14, 2021 | education
The amount of heat required to melt steel can be calculated by the formula (since the steel cylinder is taken at the melting temperature, additional heating is not required):
Q = λ * m, where λ is the specific heat of melting of steel (λ = 0.84 * 105 J / (kg * K)), m is the mass of the steel cylinder (m = 4 kg).
Let’s calculate the required amount of heat:
Q = λ * m = 0.84 * 105 * 4 = 336000 J = 336 kJ.
Answer: It takes 336 kJ of energy to melt a steel cylinder.
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