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Chemistry, 22.06.2019 04:30
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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Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
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Chemistry, 22.06.2019 15:00
How is the shape of the poem “peer” connected to its meaning?
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Chemistry, 22.06.2019 19:00
Nan element’s square on the periodic table, the number with the greatest numerical value represents the
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