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When 1.63 g sample of an unknown hydrocarbon is completely burned in oxygen, 4.97 g of CO2 are produced.
What is the percentage by mass of hydrogen in this hydrocarbon?
Using your knowledge of hydroboration/oxidation mechanism, predict major and minor products
Problem- Oxalic acid (H2C2O4) reacts with chromate ion in acidic solution as follows: 3H2C2O4 (aq) + 2CrO4 2- (aq) + 10 H+ (aq) = 6CO2 (g) = 2Cr3+ (aq) +8H2O (I) oxalic acid.
A 50.0 mL glucose solution contains 3.00 g of glucose. What is the mass/volume percent of this solution
What observed rotation is expected when a 1.28M solution of (R)-2-butanol is mixed with an equal volume of a .640M solution of racemic 2-butanol, and the resulting solution is analyzed
If you fill the larger tank with oxygen to a pressure of 135 , to what pressure should you fill the acetylene tank to ensure that you run out of each gas at the same time? Assume ideal behavior for all gases.
Devise a plan to calculate the mass of air that was contained in the clean dry stoppered flask, using the mass measurements you will make during the experiment. the calculation will require another density value besides the density of air.
In a photoelectron spectrometer the ionizing radiation has a wavelength of ? = 0.772 nm. How much enegy is present in a mole of these photons
assuming the gases to be ideal answer the following a a vessel contains 7 grams of nitrogen and 11 grams of carbon
Calculate the concentration of an aqueous solution of Ca(OH2)that has a pH of 12.57? Express your answer using two significant figures.
Problem- Propose a structure for the hydrocarbon that gives the following products on oxidative cleavage by KMnO4 or ozone. HO_2_C(CH_2_)_8_CO_2_H
find ratio of the atomic mass of silicon to hydrogen if every 100g of sih4 contains 87.45g of si and 12.55g of h.some
The active ingredient in Pepto-Bismol is bismuth subsalicylate, C7H5Bi04. Anslysis of a 1.500-g sample of Pepto-Bismol yeilds 346 mg of bismuth. What percent by mass is bismuth subsalicylate
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