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TESTS ON CARBOHYDRATES
1. Define the following and give a brief explanation of each one of them; Carbohydrates, Monosaccharides, Oligosaccharides and Polysaccharides.
2. There are two main classes of monosaccharides,i,e aldoses and ketoses. Briefly distinguish between these two classes.
3. Draw the chemical structure of glucose and fructose .State which one is an example of aldoses and ketones.
cinnamaldehyde and aniline 2) benzaldehyde and m-nitroaniline 3) benzaldehyde and aniline 4) cyclohexanone and aniline Help would be greatly appreciated and generously ranked
Draw the lewis dot structure and predict the molecular and electron-domain geometries of the following ions. a) NO2- b) CO3 2- c)ClO2-
Problem- Using the appropriate Ksp values, find the concentration of K+ ions in the solution at equilibrium after 500 mL of 0.40 M aqueous Cu(NO3)2 solution has been mixed with 350 mL of 0.20 M aqueous KOH solution. (Enter in M.) (Ksp for Cu(OH)2 ..
what volume of 0.150m hclo4 solution is needed to neutralize 54.00ml of 8.80times10-2 m naoh?nbspwhat volume of 0.120m
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.
The mixture in the flask is ignited by a spark as well as the reactions represented below occur until one of the reactants is completely consumed.
The boiling point of pure CS2 is 46.30 oC, and its boiling point elevation constant Kb is 2.34 oC/m. A solution of sulfur in liquid CS2, which was prepared by dissolving 2.26 g S in 50.0 g CS2, boils at 46.71oC. What is the molecular formula of th..
Compute [CO32-] in a 0.032 M solution of CO2 in water (H2CO3). If all the CO32- in this solution comes from the reaction shown below, explain what percentage of the H+ ions in the solution is a result of the dissociation of HCO3
In a titration, 25.18 mL of monoprotic weak base HA is neutralized with 25.18 mL of 0.502 M NaOH. Calculate the ratio of [A-] to [HA] after 12.59 mL of 0.502 M NaOH has been added to the initil amount of HA.
A particular reaction is spontaneous at 450K. The enthalpy change for the reaction is 34.5 kJ. What can you conclude about the sign and magnitude of the standard entropy change for the reaction?
in an hypnotic drug captodiamine c21h29ns2 the the sulfur 359.6 gmole was converted to sulfate and determined
Which of the following reactions is (are) oxidation-reduction reactions? Explain your answer briefly.
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