Biology, 08.11.2020 06:50, miagiancarlo
A cylinder of 50 litre capacity contains helium gas at a pressure of 200 atm and the temperature of 27°c. Assume that all of the gas can be used to fill a ballon which is released in air. At a height of 75000ft the volume of a ballon is 200m³ and its temperature is -53°c. What is the pressure of the gas inside the ballon?
Answers: 1
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Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.
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