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Organic chemistry lab.questions
1. What is the absolute configuration and IUPAC names of (-)-menthone and (+)-isomenthone?
2. Use a molecular model set to build (-)-menthone and (+)-isomenthone. Sketch the 3D chair conformation or each compound as you observe it. Explain which one is more stable and why.
3. Propose a mechanism for the acid-catalyzed isomerization of (-)-menthone
Sweetened condensed milk is pumped through a plate cooler after batch pasteurization. The milk enters the cooler at 74°C and exits at 4°C, and is pumped at a rate of 200 kg/h. What quantity of heat needs to be removed by the cooling medium in 8 ho..
Write the net ionic equation for the reaction. Calculate the equilibrium constant for the reaction.
A 1.45g sample of phosphorous burns in air and forms 2.57g of a phosphorous oxide, calculate the emperical formula of the oxide express as a chemical formula.
a soulution is prepared by mixing 25.0ml of .100M HCL and 2.00mL of .200M NaCl. what is the molarity of the chloride ion solution
What is the silver ion concentration in a solution prepared by mixing 407 mL of 0.364 M silver nitrate with 401 mL of 0.435 M sodium chromate? The Ksp of silver chromate is 1.2 × 10-12
Does a force always produce motion? Explain. Distinguish between a net force and an unbalanced force.True or false? An object on the Moon weighs 1/6 of what it weighs on the Earth. Therefore, the object has less inertia on the Moon. (Justify your ..
Determine Hvap for a compound that has a measured vapor pressure of 24.3 torr at 273 K and 135 torr at 325 K. Determine the Vapor Pressure (in mmHg) of a substance at 29*C whose normal boiling point is 76*C and has a Hvap of 38.7 kJ/mol
what volumes of h2g and o2g at stp are produced from the electrolysis of water by a current of 3.00 a in 10.0
Draw line-angle structural formulas for 8 constitutional isomers that have a molecular formula C4H8O.
Buffer Chemistry Question! 1) Find the pH of a solution that is 0.12 M in nitrous acid and 0.15 M in sodium nitrate. Answer in units of pH. (Ka of nitrous acid = 4.5 x 10^-4)
Write a chemical equation for the reaction of an aqueous solution of sodium stearate with each of the following
a solution of 8.32g of paba in 150g of chloroform boiled at 62.62C. what is the molecular mass of paba?
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