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Assignment - Write 5 pages on topic - Synthesis of DDT and BHC.
a particular amino acid in an ion exchange chromatogra phy column. What is the peak width after the amino acid has migrated 100 cm?
the solubility of sucrose common table sugar at 70 celsiusis 320 g100 g h2o.a.how much sucrose can dissolve in 200 g of
The resulting solution required 13.73 mL of 0.176 mol L-1 NaOH(aq) to neutralize the excess, unreacted HCl. What was the percentage by mass of Mg(OH)2 in the original sample [Hint: When Mg(OH)2 or Al(OH)3 reacts with HCl(aq), the products are a ch..
Think benzene (C6H6) in the gas phase. State the reaction for breaking all the bonds in C6H6 (g) and find out the enthalpychange for the reaction.
Determine the hydroxide ion concentration and the percentage dissociation of a .150 molar solution of aniline at 25 degrees Celsius.
Compare the value of Mλ for a blackbody at 2000K to that for a blackbody at 1500K at λ = 1.00 micro meters.
Tarnish (silver sulfide) may be removed from a silver spoon by placing the spoon in contact with a metallic container holding a solution of baking soda.
Calculate the standard-state entropy for the following reaction: 1 \rm CH_4(g) + 2 \rm O_2(g) \longrightarrow 1 \rm CO_2(g) + 2 \rm H_2O(l) (If applicable, coefficients of one have been included for clarity.)
Urea, NH2CONH2, is manufactured from ammonia as well as carbon dioxide according to the following equation 2 NH3 (g) +CO2 (g) ->NH2CONH2(aq)+H2O (l)
What is the purpose of sulfuric acid or phosphoric acid used in the acetylation reaction? Use equations to explain this purpose.
Targeted gene knockouts involve the deletion or disruption of a given gene. What method might be effectively used to knock out a gene in yeast?
Calculate the coefficient of kinetic friction between the slide and the child.
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