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Draw the kekule structure of each of the following compounds. if cis/trans isomers exist, draw both and indicate the geometry of each. Also draw the structure of a constitutional isomer.
1) CH3CH=CHCH32) (CH3CH2)2C=CHCH2CH33) ClCH=CHF4) CH3CH2CH2CH=C(CH3)25) CH3CH2Ch2CH2CH=CHCH3
How many grams of magnesium chloride are needed to react completely with 66.0 mL of 0.189 M NaOH solution
If 76.0 mL of .150 M HCL is needed to neutralize all the NH3 from a 2.25-g sample of organic material, calculate the mass percentage of nitrogen in the sample.
A room of volume of 2 cubic meters is initially at 19 C and 101 kPa. A block of dry ice (solid carbon dioxide) is dropped into the room and then the room is sealed (air tight)
Estrone is a female sex hormone that is known to contain 80.0% carbon, 8.2% hydrogen, and the remainder oxygen. If 793mL of estrone is found to have a mass of 4.97g at 0.90atm and 200oC, find the molecular formula for estrone.
the freezing point of the resulting solution is 3.77*C. The freezing point of pure benzine is 5.48*C. Calculate the molar mass of the compound.
If 34.0 mL lead(II) nitrate solution reacts completely with excess sodium iodide solution to yield 0.640 g precipitate, what is the molarity of lead(II) ion in the original solution?
What volume of a 6.16E-2 M potassium hydroxide solution is required to neutralize 19.8 mL of a 0.107 M hydroiodic acid solution.
How many grams of NO could be formed from a mixture of 44.7 g of NH3 and 42.7 g of O2? 2. How many grams of NH3 would remain?
Showing only Valence electrons, write an equation for the reaction that occurs between sodium, Na
Sufficient sodium cyanide, NaCN, was added to 0.015 M silver nitrate, AgNO3, to give a solution that was initially 0.100 M in cyanide ion, CN-. What is the concentration of silver ion,
you have a 100 mL graduated cylinder containing 50 mL of water. You drop a 175 g piece of brass(density 8.56g/cm^3) into the water. To what height does the water rise in the cylinder?
Calculate the pH of the resultant solution of mixing together two solutions of 2 L of 1.0 M acetic acid
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