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Question- A 35.161 mg sample of a chemical known to contain only carbon, hydrogen, sulfur, and oxygen is put into a combustion analysis apparatus, yielding 62.637 mg of carbon dioxide and 25.641 mg of water. In another experiment, 49.273 mg of the compound is reacted with excess oxygen to produce 21.296 mg of sulfur dioxide. Add subscripts below to correctly identify the empirical formula of this compound (use this order of elements: CHSO).
Depict your all explanation in detail so I can understand the solution thoroughly
A mixture of He, Ar and Xe has a total pressure of 2.70atm. The partial pressure of He is 0.450atm as well as the partial pressure of Ar is 0.200atm. Explain what is the partial pressure of Xe
for each of the following three questions 25.0 ml of 0.100 mpyridine kb 1.70 x 10-9 istitrated with 0.100 m hcl. for
a tanker truck carrying 2.01times103 of concentrated sulfuric acid solution tips over and spills its load. the sulfuric
The reaction SiH4 --> Si + 2H2 has a k= 0.048M/min at 500 degrees Celsius and k= 49.0M/sec at 700 degrees celsius.
Formic acid has a Ka TEN times larger than that of acetic acid. In solutions with the same molarity, the formic acid solution will have this many times the [H+] of the acetic acid.
The rate of an enzyme-catalyzed reaction usually increases with temperature, but then decreases after reaching the "optimal temperature."
What is the pH at 25 deg celcius of the solution obtained by dissolving a 5.00 grain tablet of aspirin in 0.500L of water? The tablet contains 5.00 grains or 0.325g of acetylsalicylic acid HC9H7O4. The acid is monoprotic and Ka for the acid is 3.3..
given rate constant 1.8x10-4 s-1 at 25 degree celsius when hydrolysis of sucrose c-12 h-22 o-12 into glucose and
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calculate te single ion actvity coefficients for Cs^+, Cd^2+, Al^3+ and dissolved H2CO3 s a function of ionic strength
A 20mL volume of previously boiled, deionized water is added to the conical flask to prepare the sample for titration. Explain why this volume is not critical to the analysis.
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