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List one or two criteria needed in order for two liquids to form an ideal solution that follow Raoult's law.
Nicotine in cigar smoke (pH is much more readily absorped through the mucous membranes of the mouth than is nicotine in cigarette smoke pH
titration volume should be between 10 mL and 50 mL. What are the smallest (first answer box) and largest (second answer box) masses of formic acid that would give titration volumes within the limits above?
if a sample of lino3nbspis found to contain 2.03 middot 1018nbspn atoms how many moles of o atoms are present? express
Which one of the following is the highest temperature?
If a 25.0 mL sample of sulfuric acid is titrated with 50.0 mL of 0.200 M potassium hydroxide to a phenolphthalein endpoint, what is the molarity of the acid? H2SO4(aq) + 2 KOH(aq) ? K2SO4(aq) + 2 H2O(l) Answer 0.300 M 0.200 M 0.150 M 0.400 M 0.100..
Estimate the osmotic pressure of human blood at 37°C. Assume blood is isotonic with a 0.16 M NaCl solution, and assume the van't Hoff factor i is 1.9 for NaCl.
If the symbol for topaline is To, predict the formula of a compound that presumably would result from the reaction between magnesium and topaline
Calculate the size of the quantum involved in the excitation of an electronic motion of frequency 1.0 X Hz. Express the results in kilojoules per mole. I know how to get to E, it is Help greatly appreciated.
The vapor pressure of pure CCl4 at that temperature is 143 torr and the vapor pressure of the pure unknown is 85 torr. What is the molar mass of the unknown?
The equalibrium constant for the reaction AgBr(s) Ag^+(aq)+Br^-(aq) is the solubility product constant, Ksp=7.7x10^-13 at 25 degrees C. Calculate deltaG for the reaction
Question- What is the maximum volume of 4.9E-5M K2CrO4 that, added to 17.0ml of a solution that is 8.6E-5M Ba(NO)2 and 5.4e-6 M Pb(NO3)2, will precipitate PbCrO4 bit not BaCrO4? For PbCrO4, Ksp=1.8e-14 and for BaCrO4, Ksp=1.2e-10
Based on your knowledge of the TLC of the components of Excedrin, propose an experiment that would separate these components, including the order of elution off a chromatography column.
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