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Explain what is the boiling point of a solution made of 200.0g of benzene solvent to which 10.25 g of naphthalene, C10H8 a nonelectrolyte has been added? Pure benzene boils at 80.10 C also its k B value is 2.53 C/m.
What fraction of the O3 will have reacted when the rate falls to one-half of its initial value?
Why are monochromators (prism or grating monochromators) used in scanning instruments as opposed to absorption filters
an unknown hydrocarbon a with formula c6h12 reacts with 1 molar equivalent ofh2 over palladiumcatalyst. hydrocarbon a
Calculate the heat release when 62.0 g of steam at 129 C is converted to water at 50 C. Assume that the specific heat of water is 4.184 J/g x C
Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the C^14 has decayed to 1/16.0 of the original amount. How long ago was this plant alive. Express your answer numerically in years.
Consider the reaction that will take place between (S) -2-bromobutane and sodium azide in DMF. A) What is the product of this reaction (give proper stereochemistry of the product formed)
what is the internal energy change of a gas gives off 312 of heat while being compress 862mL by a pressure of 1.64 bar. what are internal energy change in surrounding and universe for the process
What is the difference (in pH units) between the initial pH of a 0.20 M NH3 / 0.20 M NH4Cl buffer to the pH of the buffer after the addition of 10.0 mL of 0.10 M HCl to 65.0 mL of the buffer
A 25.0 mL sample of a solution of the weak base aniline, C6H5NH2, requires 25.67 mL of 0.175 M HCl to reach the equivalence point. (Kb for aniline = 4.0 x 10-10)
Ribosomes have three tRNA bind sites. What are they called. Describe the elongation phase of prokaryotic translation and indicate the roles of these sites therein
How many grams of sodium hydroxide are needed to react completely with 50.1 mL of 0.145 MCoCl2 solution?
What is the pressure in millimeters of mercury of 0.0110 mol of helium gas with a volume of 208 mL at a temperature of 35 degrees C?
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