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Chemistry, 24.06.2019 02:30, derekcalhoun4943
Plz i have 5 mins only 1. identify one source of carbon that can found in each of these four spheres: atmosphere (air), geosphere (land), biosphere (living organisms) and hydrosphere (water).
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Chemistry, 23.06.2019 02:50, igraha17
Dumbledore decides to gives a surprise demonstration. he starts with a hydrate of na2co3 which has a mass of 4.31 g before heating. after he heats it he finds the mass of the anhydrous compound is found to be 3.22 g. he asks everyone in class to determine the integer x in the hydrate: na2co3ยทxh2o; you should do this also. round your answer to the nearest integ
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Chemistry, 23.06.2019 10:00, Jennifer16253
What is the mass in grams of 12.26 ml of acetone
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Plz i have 5 mins only 1. identify one source of carbon that can found in each of these four sphere...
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