Chemistry, 16.02.2022 02:10, raymond5799
When 4.065 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 12.45 grams of CO2 and 5.950 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 86.18 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon. Enter the elements in the order presented in the question. empirical formula
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Chemistry, 22.06.2019 12:00, zamariahyou
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
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Chemistry, 23.06.2019 00:30, mathwiznot45
Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
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When 4.065 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 12.45 grams...
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