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A solution of KOH is prepared and standardized against 0.5418g KHP. The phenolphthalein endpoint was reached by the addition of 25.91mL KOH. What is the molarity of the KOH solution?
Hex-1-ene, 2-methylpent-2-ene, 2,3-dimethylbut-2-ene, (Z)-hex-2-ene, (E)-hex-2-ene Which one has the highest boiling point and why
Describe 3 uses of rhodium as a catalyst (written description and the balanced chemical equation) for its use in 1) three way catalytic converters on cars 2) the manufacture of acetic acid by catalytic carbonylation of methanol, called the Monsanto p..
How many grams of CaCO3 are produced when you react 55.2 mL of 0.150 M Ca(NO3)2 with 0.655 g of Na2CO3? How many grams of Na2CO3 remain unreacted? How many grams of Ca(NO3)2 remain unreacted?
What is the boiling point of a solution that contains 6 moles of KBr in 1000 g of water? (K = 0.512 C/m)
What is the boiling point of a solution of benzene containing 0.2 moles of a non volatile solute in 125 grams of benzene given that pure bezene has a boiling point of 80.1
A particular reactant decomposes with a half-life of 145 s when its initial concentration is 0.310 M. The same reactant decomposes with a half-life
a 0.50 mol sample of oxygen gas is confined a 0deg c in a cylinder. the initial pressure in the cylinder is 1.0 atm. if
you analyze 100 kg of a gas in a tank at atmospheric pressure and find the following: CO2: 19.3% N2:72.1% O2:6.5% H2O: 2.1% what is the average molecular weight of this gas
Draw the carboxylic acid would be formed if the malonic ester synthesis (alkylation of diethyl malonate followed by hydrolysis and decarboxylation) were carried out with a large excess of diethyl malonate, one equivalent of 1,5-dibromopentane, and..
a 125 g sample of an unknown metal requires 1351 j of energy to heat it from 25 degrees celcius to 112 degrees celcius. what is the specific heat capacity of the unknown metal.
A solution of calcium ions contains 7 meq/250. cm3 of calcium ion. How many moles of calcium ion does this solution contain
Two unknowns, X and Y, both having the molecular formula C4H8O, give the following results with four chemical tests. Propose a structure for Y consistent with this information. Bromine Na metal Chromic acid Lucas reagent Cpd X decolorizes bubbles ..
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