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What is culture dilution? Calculate the heat absorbed in kilo-joules to raise the temperature of 250 grams of water from 25°C to 40°C? What is the heat of formation of ethane, C2H6 ? Is it possible to hear someone's thoughts? What is the sum of infinite geometric series where the first term is 2 and the second is 1 ?a.4 b.2 c.3 d.7 e.8?

Answer #1| 29/01 2017 22:3950 %