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Chemistry, 21.06.2019 23:00
What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol
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Drive down any three characteristic of modern periodic table
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Chemistry, 22.06.2019 23:00
If two identical atoms are bonded,what kind of molecule is formed
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Chemistry, 22.06.2019 23:00
Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
Answers: 1
A certain element exists as two different isotopes. 90.50% of its atoms have a mass of 20.00 amu and...
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