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A40.0 milligram sample of 33p decays to 10.0 milligrams in 50.0 days. what is the half life of 33p?
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What is the result of multiplying (2.5 × 1010) × (2.0 × 10-7)? a. 5.0 × 103 b. 5.0 × 10-3 c. 5.0 × 1017 d. 5.0 × 10-17
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What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride
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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: na2co3·xh2o; you should do this also. round your answer to the nearest integ
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Chemistry, 23.06.2019 03:00
Determine type of reaction & predict the product c3h12+o2 =
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A40.0 milligram sample of 33p decays to 10.0 milligrams in 50.0 days. what is the half life of 33p?...
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