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Answer :
Final answer:
To find the heat absorbed in the entire process, we need to calculate the heat required to heat the water, convert it to water vapor, and then heat the vapor. The heat used just to evaporate the water can be found by calculating the heat required to convert the water at its boiling point to water vapor.
Explanation:
In order to find the amount of heat absorbed in the entire process, we need to consider the different steps involved. First, we calculate the heat required to heat the water from 20.0 °C to its boiling point, which is 100 °C. We use the formula Q = mcΔT, where Q represents the heat absorbed, m is the mass of the water, c is the specific heat capacity of water, and ΔT is the change in temperature. After that, we calculate the heat required to convert the water at its boiling point to water vapor using the formula Q = mL, where Q is the heat absorbed, m is the mass of water, and L is the latent heat of vaporization. Finally, we calculate the heat required to heat the water vapor from its boiling point to a temperature of 125 °C using the formula Q = mcΔT. By adding up all these calculated values, we can find the total heat absorbed in the entire process.
As for the heat used just to evaporate the water, we only need to consider the heat required to convert the water at its boiling point to water vapor using the formula Q = mL, as mentioned earlier.
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