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one thousand kilograms per hour of a mixture containing equal parts by mass of benzene and toluene are distilled the
to prepare a solution of 50 sulfuric acid a dilute waste acid containing 28 h2so4 is fortified with a purchased acid
how many grams of co2 are produced when 1000 grams c4h10 are burned in an excess of oxygen as follows2c4h10 13o2 8co2
calculate the molarity of a 0074 m solution of ethyl alcohol in water at 25 degrees c assume the density of the
a can of jolt cola contains 355ml of soda and weighs 387g use crc handbook find the weight percent sucrose in jolt how
1 a sample of a complex salt with ideal composition ninh36no32 was analyzed for nickel by dissolution in slightly
calculate the maximum number of milligrams of h2o that can possibly be extracted from 100g of tetraphenylarsonium
explain why we need myoglobin and hemoglobin and why the mice dont sufficate when they are immersed in a fluorocarbon
how would you prepare a sodium phosphate at ph 7 what species would you use what concentrations remember phosphoric
in trans-12-dibenzoylethylene even though the conjugated co group frequency coincides directly with the expected cc
the air pollutant no is produced in automobile engines because of the high-temperature reaction below if the initial
the solubility product of calcium fluoride caf2 is 345 x 10-11 at 25 degrees c will a fluoride concentration of 10 mgl
an aqueous solution containing 349g of an unknown molecular nonelectrolyte compound in 1447g of water was found to have
when 0340 mol of butane c4h10 are burned with excess oxygen giving co2 and h2o how many moles of oxygen are consumeda
in the reaction of fe3o4 with carbon to form carbon dioxide and iron the number of moles of carbon required to convert
1 explain how you can minimize propagated errors2 when pooling data from multiple sets explain whether this measure is
using the volume of solvent calculated which is 143 ml of 95 ethyl alcohol calculate how much sulfanilamide will remain
based on a kc value of 0210 and the data table given what are the equilibrium concentrations of xy x and y
an isotonic solution contains 095 by mass per volume calculate the percent mass per volume for isotonic solutions
water softeners often replace calcium ions in hard water with sodium ions since sodium compounds are soluble the
calculate the osmotic pressure of a solution containing 1910 of hemoglobin in 170 of solution at 19 the molar mass of
propane c3h8 is widely used in liquid form as a fuel for barbecue grills and camp stoves given 975 g propane calculate
if 0500 mol of a nonvolatile nonelectrolyte are dissolved in 370 mol of water what is the vapor pressure ph2o of the
can relative amounts of the components of a mixture vary can the relative amounts of the components of a compound
what and why structural features do cyanide and thiamine have in common that makes them both capable of catalyzing the