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An average human produces about $10 \mathrm{MJ}$ of heat each day through metabolic activity. If a human body were an isolated system of mass $80 \mathrm{~kg}$ with the heat capacity of water, what temperature rise would the body experience? Heat capacity of water $=4.2 \mathrm{~J} / \mathrm{K}-\mathrm{g} .$(a) $29.76^{\circ} \mathrm{C}$(b) $2.976 \mathrm{~K}$(c) $2.976 \times 10^{4 \circ} \mathrm{C}$(d) $0.029^{\circ} \mathrm{C}$
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Since the body has a mass of 80 kg and the heat capacity of water is 4.2 J/K-g, we can find the total heat capacity by multiplying the mass by the heat capacity of water: Total heat capacity = 80 kg * 4.2 J/K-g * 1000 g/kg = 336,000 J/K Now, we know that the Show more…
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A typical human produces about 10 MJ of energy transferred as heat each day through metabolic activity. The main mechanism of heat loss is through the evaporation of water. (a) If a human body were an isolated system of mass $65 \mathrm{kg}$ with the heat capacity of water, what temperature rise would the body experience? (b) Human bodies are actually open systems. What mass of water should be evaporated each day to maintain constant temperature?
A typical human produces about 10 MJ of energy transferred as heat each day through metabolic activity. The main mechanism of heat loss is through the evaporation of water. (a) If a human body were an isolated system of mass 65 kg with the heat capacity of water, what temperature rise would the body experience? (b) Human bodies are actually open systems. What mass of water should be evaporated each day to maintain a constant temperature?
An average human produces about $10 \mathrm{MJ}$ of heat each day through metabolic activity. If a human body were an isolated system of mass $65 \mathrm{kg}$ with the heat capacity of water, what temperature rise would the body experience? Human bodies are actually open systems, and the main mechanism of heat loss is through the evaporation of water. What mass of water should be evaporated each day to maintain constant temperature?
The First Law
Thermochemistry
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