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InterviewSolution
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Biogas contains 70% methane. The calorific value of methane is 55 kJ/kg. If a family requires 10,000 kJ of energy per day, how much biogas is needed per day? |
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Answer» Solution :55 k of ENERGY is produced by I g of methane. I0,000 kJ of energy is produced by = 10,000/55 = 181.8g methane. Since biogas contalns 70% methane, amount of biogas REQUIRED PER day = 181.8 `XX `70/100 = 127.26 g . |
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