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Question- The α-phenylethylamine recovered from the hydrogen tartrate salt that recrytallizes as needles have been found to have a specific rotation of -20°. What is the percent composition of this mixture (+) and (-) enantiomers.
Please explain above problem in step by step manner so I can easily understand it
Light of wavelength 540 nm is incidenct on a slit of width 0.150, and a diffraction pattern is produced on a screen that is 2.00 from the slit. What is the width of the central bright fringe
Question- Calculate E cell at 25 degrees C when (Cr2O7^2-) = 2.5*10^-4, H+ = 1.2 M, Cr3+ = 5.2*10^-4 M and I- = 1.0 M
Assume that the products are carbon dioxide and water. Answer the following question: If ONE mole of iso-octane is burned, how many mols of water are formed
If KHP is titrated with NaOH until the equivalence point is reached. Explain why is it true that, the number of moles of OH- equals the number of moles of KHP, at the equivalence point
Find the temperature of 3 grams of chlorine gas in a 1.5 L container with 801 mmHg of pressure.
Which answer lists all of the following responses that are endothermic and none that are exothermic? 1. boiling water 2. freezing water
Bob dissolved .36 grams of KHP in 15 mL of water. He found out that it required 20 mL of NaOH to reach the endpoint the endpoint of the titration.
a solution of water kb0.512 c and glucose freezes at 4.15. what is the molal concentration of glucose in this solution?
Explain a small empty glass bottle is found to weigh 6.820g. The container when filled with DI water at 20.00 degree Celsius weighs 32.628g. The density of water at 20.00 degree Celsius is 0.99821 g/mL.
calculate the minimum volume of distilled water in liters necessary to completely dissolve a 7.5 g sample of agbr s at
3 moles of carbon dioxide gas expands reversibly in a piston-container from 20 L to 40 L in an isothermal process at 400 K. Calculate work, heat, change in internal energy and change in enthalpy, considering van der Waals behaviour. [a = 3.59 atm ..
a 7.58 gram sample of benzoic acid c6h5co2h is dissolved in 100 ml of benzene. the density of benzene is .879 gml. what
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