How are the alveoli designed to maximise the exchange of gases?

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Aayush Asked Jan 21

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The exchange of gases in the alveoli of the lungs takes place by

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Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape?

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Graham's Law: "Under similar conditions of pressure (partial pressure) the rate of diffusion of different gases is inversely proportional to square root of the density of different gases."

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According to Graham's law at a given temperature, the ratio of the rates of diffusion of gases A and B is given by :

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_______ does works related to exchange of data between the computers

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If a grain is equal to 64.8 mg, how many moles of aspirin (mol. wt. = 169) are present in 5.00 grain aspirin tablet?

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The Vander Waals constant 'a' for the gases CH4, N2, NH3 and O2 are 2.25,1.39, 4.17 and 1.3 $L ^{2}$ $atm-mol^{-2}$ respectively. The gas which shows highest critical temperature is :

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The reaction given below, involving the gases is observed to be first order with rate constant $7.48 \times 10^{-3} {sec}^{-1}$.

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The density of water at room temperature is 1.0 g/mL. How many molecules are there in a drop of water if its volume is 0.05 mL ?

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Suppose you are Sun. There was a party at your house last night which you were not allowed to attend. How did you feel? and how did you face such situation?

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