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Problem- When 2.825 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 9.550 grams of CO2 and 1.955 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 78.11 g/mol. Determine the empirical formula and the molecular formula of the hydrocarbon.
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A 5.326 g sample of an unknown compound is found to contain 3.758 g of carbon, 0.316 g of hydrogen, and 1.251 g of oxygen. What is the empirical formula of this substance
A student did an alkalinity determination correctly, except that the sample titrated has a volume of 90.0 mL Volume A was found to be 4.50mL and volume B was 7.00 mL. calculate the alkalinity value from these data and the calculate the correct valu..
a sample of air contains 78.08% nitrogen, 20.94% oxygen, .05%carbon dioxide and .930% argon by volume. How many molecules of each gas are present in 1 liter of the sample at 25 degrees celsius and 1 atmosphere?
What are the advantages of the Stock system of nomenclature over the former one?
Compared to that of a saturated fatty acid, the melting point of an unsaturated fatty acid with an equal number of carbons will be
Consider a situation in which 161g of P4 are exposed to 176g of O2. A)What is the maximum amount of P2O5 that can theoretically be made from 161g of P4 and excess oxygen
In fact as the temporary sure not far above the boiling point of the liquid, the gas is not ideal. Explain how this would affect the results of the molecular weight determination.
Find out whether each of the following events increases photo transduction or does not increase photo transduction either by not initiating a signal or by terminating the signal. The abbreviation cGMP is utilized for guanosine 3\5\-cyclic monophos..
highlight by clicking on the asymmetric carbons if any, and indicate whether each compound is Chiral and Number of stereocenters
If 495g NaOH is dissolved in a final volume of 20.0 L, what is the molarity of the solution.
Question- A galvanic cell is prepared with a Cu electrode in a test tube containing 1.34 M Cu(NO3)2 and a Cu electrode in a test tube containing 0.0102 M Cu(NO3)2. Calculate the predicted E for the cell
Explain how Le Chatelier's Principle affects the extent of the dissociation of acetic acid in a buffer that is 0.10 M acetic acid and 0.10 M acetate ion
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