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Benedict's reagent, copper (II) citrate, a blue solution, is used to identify reducing sugars in solution. The copper is reduced to Cu(I), forming a red precipitate of Cu2O. Benedict's reagent reacts with the open chain form of glucose, yet it can be used to quantify total concentration of glucose in solution (it is the basis of ‘clinitabs' that are uses to measure glucose in urine). Explain, using chemical structures, how Benedict's reagent works.
Lactic acid, C_3H_6O_3, is found in sour milk. A solution containing 1.00 g NaC_3H_5O_3 in 100.0 mL of 0.0500 M C_3H_6O_3 has a pH = 4.11. What is Ka of lactic acid
Calculate the fraction of atom sites that are vacant for lead at its melting temperature of 327C
The solid fuel in the booster stage of the space shuttle is a mixture of ammonium perchlorate and aluminum powder. On ignition, the reaction that takes place is 6 NH4ClO4(s) + 10 Al(s) ? 5 Al2O3(s) + 3 N2(g) + 6 HCl(g) + 9 H2O(g)
question a gas is compressed at a constant pressure of 0.320 atm from a volume of 8.00 l to 5.00 l. in the process 400
Forms more of one enantiomer than another depending on the temperature of the reaction d. Forms more of one enantiomer than another because of steric reasons around the carbonyl
What is the mole fraction of NaCl in this solution. what would be the vapor pressure of this solution at 45C? The vapor presssure of pure water is 23.8 torr at 25C and 71.9 torr at 45C
If NF can interact with a transition-metal ion to form a chemical bond, what type(s) of ligand-metal interactions would be most important. Would you expect NF to be high or low in the spectrochemical series. Why
Which one would undergo SN1 reaction and then which would undergo SN2 reaction? I know Tert-butyl chloride would undergo sn1
How can the presense of the intramolecular hydrogen bonding in the single-deprotonated maleic acid lead to differences in the acid-dissociation constant when compared to fumaric acid
Calculate the solubility of silver chromate in 0.005 M Na2CrO4.
Benzene (C6H6) is converted to cyclohexane (C6H12) by direct addition of hydrogen gas H2. The plant produces 100 Ib-moles/hr of cyclohexane. 90% of benzene fed to the process reacts to form cyclohexane.
Assuming that the gas is ideal, calculate the work required to compress Ar gas from 10L to 1L. The gas is initially at 25 degrees Celsius and 1 bar.
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