Can anyone help with this? 20 points please
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Embryos of different species look very similar, which shows that the organisms share a ancestor.
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How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer
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Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?
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Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o
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