Chemistry, 12.09.2021 19:20, gracebrownnn
25.121 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put into a combustion analysis apparatus, yielding 44.751 mg of carbon dioxide and 18.319 mg of water. In another experiment, 32.443 mg of the compound is reacted with excess oxygen to produce 14.02 mg of sulfur dioxide.
Add subscripts to the formula provided to correctly identify the empirical formula of this compound. Do not change the order of the elements.
empirical formula:
CHSO
Answers: 1
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Which substance absorbs 58.16 kj of energy when 3.11 mol vaporizes? a)ch4 b)h2s c)co2 d)nacl
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Chemistry, 22.06.2019 16:00, winnie45
He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
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Who discovered a pattern to the elements in 1869?
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What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
25.121 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put int...
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