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Draw the structure of the molecule that is formed by the condensation reaction of glycine and cysteine, resulting in the formation of a peptide bond.
A solution of I2 was standardized with ascorbic acid. Using a 0.1000-g sample of pure ascorbic acid, 23.52 mL of I2 were required to reach the starch end point.
a piece of metal with a mass of 151 g is placed in a 50 ml graduated cylinder. the water level rises from 20. ml to 35
Explain for which of the following species resonance is an important property: HONO, HONO2, N3-, NO2-, NO2.
a student titrated a 10 ml sample of a saturated solution of borax. if the titration required 23.95 ml of 0.2556 m hcl
predict the products formed (if any) and write the balanced molecular equation, complete ionic equation and net ionic equation.
Explain in detail the observed absorption maxima (from the UV-vis spectrum) for the following compounds:
A mole of hydrogen gas was found to have an average De Broglie's wavelength of 1A (10^-10m), the approximate length of the H-H bond. What temperature is the gas kept at
A mixture of CS2 (g) and excess O2 (g) is placed in a 10.0 L reaction vessel at 100.0 degrees C and the pressure of 3.00 atm, A spark causes the CS2 to ignite, burning it completely, according to the equation:
prepare 10 ml of solution that represents a 4 fold dilution of the stock solution
The reaction previously done was just having trans-cinnamic acid reacted with Br2 forming all the isomers with the double bond being broken and Br put into place.
Calculate the theoretical yield of K2C2O4 in grams. If the % yield of the reaction is 82.4 %, what mass of K2C2O4 is isolated
what was the original total concentration of cesium and the corresponding radioactivity in Ci/L?
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