Chemistry, 13.08.2020 19:01 brittnum225
There are approximately 2 × 1022 molecules and atoms in each breath we take and the concentration of CO in the air is approximately 9 ppm. How many CO molecules are in each breath we take? solution
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Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
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Condensation happens when water vapor cools. true or false? ?
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There are approximately 2 × 1022 molecules and atoms in each breath we take and the concentration of...
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