How much heat transfer from energy-source to raise entropy
An energy-source at 1000 K transfers heat to a completely reversible heat engine. This engine transfers heat to a sink at 300 K. How much heat must be transferred from the energy-source to increase the entropy of the energy-sink by 20 kJ/K?
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How much heat must be transferred from the energy-source to increase the entropy of the energy-sink by 20 kJ/K?
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A light bulb company is studying defects in their lightbulbs 4% of the bulbs have defects in the glass but not the coil 1% of the bulbs have defects in the coil but not the glass 0.4% of the bulbs have defects in both the glass and the coil
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