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If 5.0 mL of . 85 M bleach solution is combined with 45.0 ml of .1 mM dye soultion at 30 degrees celcius, what will bre the therorectical concentration of dye in the reaction mixture after 60 seconds?
Esters and amides can be most easily and conveniently prepared by nucleophilic substitution reactions on: (select one or more) alcohols carboxylates acyl chlorides carboxylic acids amines acid anhydrides another amides
NaOH to titrate 25.00 mL of an unknown acid solution to the equivalene point. What is the initial concentration of the acid?
If 4.50 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
Vanillin is a common flavoring agent. It has a molar mass of 152g/mol and is 63.15% C and 5.30% H. The remainder is Oxygen. Determine the molecular formula of vanillin.
Identify the mass spectral (MS) peaks you would expect for 4-Heptanone (M+ and m/z for all fragments). Just FYI, the professor said
A 643 mL gas sample at STP is compressed to a volume of 285 mL, and the temperature is increased to 26C. What is the new pressure of the gas in Pa? Answer in units of Pa.
Calculate partition coefficient of caffeine between water and each of two organic solvents. (c) Can you use diethyl ether to extract caffeine from water? Why/why not.
Photochemical chlorination of 2,2,4-trimethylpentane gives four isomeric monochlorides. Write the structural formulas for these for isomers. 1. Isomer with a primary chloride and the methyls at the lowest numbering
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
Ammonium Hydrogen sulfide decomposes on heating, NH4HS(s) NH3 (g)+H2S(g). If Kp for this reaction is .11 at 25 degrees celcius (where partial pressures are measured in atmospheres), what is the total pressure in the flask at equilibrium
The molar extinction coefficient of benzene equals 100 M-1cm-1 at 260 nm. Assume this number is independent of solvent. (a) What concentration would give an absorbance of 1.0 in a 1 cm cell at 260 nm?
What is the empirical formula of a hydrocarbon which produces 2.703 g CO2 and 1.108 g H2O
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