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What chemical changes you expect for epigallocatechin gallate when it is heated in boiling water for 10 minutes.
Explain Cyclopentadiene reacts as a diene in the the Diels-Alder reaction a great deal faster than does 1,3 butadiene.
Calculate the work done in Joules when one mole of an ideal gas, initially at P = 9 atm, T = 298 K is expanded isothermally to P = 1 atm if (a) the expansion proceeds against a onstant external pressure Pext = 1 atm; (b) the external pressure is r..
Hydrazine (N2H4) is a significant industrial chemical used in a variety of applications. It is commonly produced from ammonia (NH3) as well as the hypochlorite ion (OCI-) A proposed mechanism is
the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 18.4 g of biphenyl in 28.0 g of benzene?
The vapor pressure of ethanol at 50 oC is 233 mm Hg, and its normal boiling point at 1atm is 78.3 oC. Calculate Hvap of ethanol.
a helium balloon lifts off at 1.0 atm and 25 degc with a volume of 1.5 x 103 l. at an altitude of 21 km the temperature
If 27.0 mL of 0.0200 M KMnO4 were required to titrate a 0.425 g sample of K3[Fe(C2O4)3] * 3H2O, what is the % purity of the complex?
Explain what is the coordination number of Pd. Explain what kind of geometry Pd complexes normally take. The atomic numner of Pd is 46.
Draw an electrolytic cell in which Mn2+ is reduced to Mn and Sn is oxidized to Sn2+
question which one of the following would furnish the highest yield of a methyl ether on reaction with naoch3 under
The area of the head of an average flat headed straight pin is 3.50*10(-4) inches squared. the atomic radius for the element neon is 7.0*10(1) pico meters. if you could line up a row of atoms how many neon atoms can fit across the diameter of the ..
At what temperature would a 1.80 m NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 degrees C/m. answer in degrees C
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