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what is the equation for ninhydrin test of egg white?also for the ninhydrin test of aspartame? what is the chemical composition of millon's reagent?will all animala and plant proteins give a positive ninhydrin test?what is the equation of millon's test with milk?
A. which element/ion is the most difficult to oxidize. 1. Ca 2. Li^+ 3. Li 4. Na^+ 5. Na B. which element/ion is the most resistant to reduction? 1. H2 2. CU^+2 3. Sn^+2 4. Pb 5. none of the above
Calculate the value of delta S when 1.85 mol CH3OH (l) of is vaporized at 64.7 C. The normal boiling point of methanol is 64.7 C.
Complete the following reactions by replacing the question mark with the appropriate formula. Choose the correct enzyme or enzyme class.
A compound composed of elements X and Y is 1/3X by mass. The atomic mass of element X is 1/4 the atomic mass of element Y. Find the empirical formula.
What is the molar solubility of Co(OH)2 in a buffered solution that has a pH of 10.43?
A stream of air (21% O2 m, the rest N2) flowing at a rate of 10.0 kg/h is to be mixed with a stream of CO2 inside a mixer. The CO2 enters the mixer at a rate of 20.0 m/h at 150 ?C and 1.5 bar. What is the mole percent of CO2 in the product stream
A piece of Al(s) at 94°C is placed in 65g of H2O at 28°C. The Aluminum cools and after equilibrium the final temperature of Aluminum and water is 38°C. What was the mass of the aluminum?
The only thing that is supplied to you is 1M Tris (pH 6.8) and 1M NaCl. You have full access to all the deionized H2O you may need. Plus 3 M HCl, 40 g/mol of NaOH pellets, and a pH meter.
What is the net charge at neutral pH of a tripeptide containing only alanine? How does the total number of negative and positive charges change following hydrolysis of the tripeptide
A buffer solution is prepared by mixing 20.0 mL of 0.032 M benzoic acid C6H5COOH(aq) solution with 25.0 mL of 0.022 M NaC6H5COO(aq). What is the pH of the buffer produced? (Ka of benzoic acid = 6.2 x10-5).
Reaction Mechanism: Draw a reasonable reaction mechanism (i.e. show the electron movement) for the synthesis of 2-butoxynaphthalene.
The Ka for cacodylic acid (C2H7AsO2) is 5.37 x 10-7. An amount (0.1035 g) of this compound is added to 0.5 L H2O. What is the resulting pH of this solution
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