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If you have 100 grams of a radioactive isotope with a half life of 10 years how much of the isotope will you have left after 20 years
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Select the most likely product for this reaction: koh(aq) + co2(g) – ? k2co3(aq) + h2o(1) k(s) + h2(g) + o2(g) k(s) + co3(9) +h2
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Chemistry, 22.06.2019 23:30
The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
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In a ball-and-stick molecular model, what do the sticks represent?
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List and describe the neurological effects of the vocs and other air pollutants,as described by dr.theo colborn
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If you have 100 grams of a radioactive isotope with a half life of 10 years how much of the isotope...
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