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If two compounds have Rf values of 0.78 and 0.32, how far will they be separated from each other on a plate when the solvent front is developed to: (a) 5 cm? (b) 15 cm?
Assuming the [potato extract] is 0.001 M and you are going to make a 10 mL solution and each drop is 1/20th of a mL calculate the [potato extract] in each reaction solution.
a reaction known to release heat of four kilo joules takes place in a calorimeter containing two litres of solution and
Gas diffusion and Viscosity are both transport properties, Derive the general relationship between the viscosity for a gas and diffusion coefficient .calculate the diffusion coefficient if Given that the viscosity of Ar is 223 micro Pascals at 29..
Sodium hypochlorite, NaOCL, is the active ingredient in household bleach. What is the concentration of hypochlorite ion, if 20.00mL of bleach requires 32.00mL of 0.500 M HCL to reach the equivalence point
Draw complete Lewis structure for following condensed structural formula. (CH3CH2)CO
Which of the following is not a general characteristic of amides?
Enough of a monoprotic acid is dissolved in water to produce a 0.0193 M solution. The pH of the resulting solution is 6.31. Calculate the Ka for the acid.
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
What is the percent yield of a reaction in which 200 g phosphorus trichloride reacts with excess water to form 82 g HCl and aqueous phosphorus acid (H3PO3)
What is the relationship between myelin sheath and dopmaine? What does myelin sheath do, how does it porvide insultion. What disease are caused when myelin sheath stops working and how does this effect elderly people?
Calculate ΔH and ΔStotal when two iron blocks each with mass of 1.00kg, one at 25'C and one at 250'C are placed in contact with each other in an isolated container.
A 31.43 ml volume of .108M NaOH is require to reach the phenolphthalein endpoint in the titration of a 4.441g sample of vinegar. Calcute the percent acetic acid in the vinegar.
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