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Does (CH3CH2)2C=CHCH2CH3 have any cis/trans isomers and if so what are they? Constitutional isomers? Can you sketch them so I can get a better picture?
how many liters of 13.5 molar HCl stock solution are needed to make 10.5 liters of a 1.8 molar HCl solution?
The student ended up calculating that he/she has 2.19 ppm of Vitamin B2 in the diluted sample. Calculate the percent of the RDI of Riboflavin satisfied by consuming this tablet
suppose a 500 ml solution contains 1.00 mmol of co(no3)2, 100 mmol of NH3, and 100 mmol of ethylenediamine. what is the concentration of co2+ in the solution?
A rigid tank with a volume of 2.5 m3 contains 15 kg of saturated liquid-vapor mixture of water at 75 0C . The water is heated. Determine the temperature at which the liquid in the tank is completely vaporized.
When 100.g Mg3N2 reacts with 75.0 g H2O, 15.0 g of NH3 is formed. What is the % yield?
A sample of gas originally at 37.2oC and 1.25 atm pressure in a 3.4 L container is allowed to expand until the pressure is 0.73 atm and the temperature is 14.9oC.
What type of glassware would you use to measure the volume of a .002035 M sodium nitrate
25.0 mL of a calcium chloride solution is added to an excess of aqueous silver nitrate. The resulting precipitate has a mass of 1.25 grams. If the percent yield of this reaction is known to be 85%, calculate the concentration in molarity of the or..
The stereochemistry of the more highly substituted alkenes is difficult to define using the cis and trans designations. Therefore, a more systematic manner of indicating stereochemistry in these systems has been developed that uses an E and Z nome..
Then rotovap until crystallized and add 20 mL cold H2O, stir +10% HCl to neutralize. Filter and wash.
The indicator propyl red has Ka = 3.3 × 10-6. What would be the approximate pH range over which it would change color?
A weather balloon at Earth's surface has a volume of 3.9 L at 275 K and 775 mm Hg. if the balloon is released volume reaches 4.2 L at 711 mm Hg what is the temperature.
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