Water is being boiled in a flat bottom kettle placed on a stove. The area of the bottom is \( 30...

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Water is being boiled in a flat bottom kettle placed on a stove. The area of the bottom is \( 300 \mathrm{~cm}^{2} \) and thickness is \( 2 \mathrm{~mm} \). If the amount of steam produced is \( 1 \mathrm{~g} / \mathrm{min} \), calculate the \( \mathrm{P} \) difference of temperature between the inner and outer surfaces of the bottom. The thermal conductivity of the material of
W kettle \( k=0.5 \mathrm{cal} / \mathrm{s} \mathrm{cm}^{\circ} \mathrm{C} \) and latent heat of steam \( L=540 \mathrm{cal} / \mathrm{g} \).
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