Large helium-filled balloons are used to lift scientific equipment to high altitudes. (a) What is the pressure inside such a balloon if it starts out at sea level with a temperature of 22.8°C and rises to an altitude where its volume is sixteen times the original volume and its temperature is – 33.7 ºC ? Enter your answer to at least 3 decimal places  (b) What is the gauge pressure? (Assume atmospheric pressure is constant.) atm

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Human Metabolism

Being described as the most complicated machine ever encountered by humans, the human body and the cell metabolism is nothing less than a wonder. Metabolism is the set of life-sustaining chemical reactions within organisms.