Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
00431 moles of sucrose c12h22o11 are dissolved in 4000 grams of h2o the solution density 1013 gml and suppose that the density of pure water 100 gml
elemental analysis of putrescine the rotten smell of a decaying animal carcass is partially due to a nitrogen-contained compounded showed that it
when 100 g of pure benzoic acidnbsp nbspc7h6o2nbsp is added in 500 grams of carbon tetrachloride ccl4 the freezing point of the solution 49 degree
a certain anesthetic contains 649 percent carbon 135 percent hydrogen and 216 oxygen by mass determine the molecular formula of the compound at 120
a solution is prepared by combining 117 grams of sodium hydroxide in approximately 450 mili litres of h2o in a volumetric flask and this solution
nbspa radiation biologist studies the decomposition rate of a certain substance and obtains the given data as mass mug 2600 1771 1206 822 560 time
an ideal gas of one mole is sealed in a 224 litres container at a 100 atm of pressure and a 273 nbspkelvin of temperature determine the new pressure
at the temperature of thirty seven degree celsius the equilibrium concentration of ca2 inside a cell 0085 m and outside 0042 m the cell membrane is
ch3coohnbsp is an vital ingredient of vinegar using a sample of 500 ml of commercial vinegar is titrated against a 100 m sodium naoh hydroxide
a bacterium isolated from a soil culture can consume nbspc5h10o5 ribose as a sole source of c when grown anaerobically experiments show that in the
determine the molarity of the naohsodium hydroxide solution in an acid-base titration 2213 ml of a sodium hydroxide solution are required to
given rate constant 18x10-4 s-1 at 25 degree celsius when hydrolysis of sucrose c-12 h-22 o-12 into glucose and fructose in acidic waterassuming the
what must be the atomic mass of the metal mnbsp if a sample of the compound mso4 weighing 01131 g reacts with barium chloride and yields 02193 g
what is the concentration of the h2so4 if a chemist titrates 3000 ml of sodium hydroxide naoh with a 50 m solution of naoh and needs only 34 ml of
0644 grams each of carbon monoxide water and hydrogen are sealed in a 0987 litres vessel and brought to equilibrium at the temperature of 600 k
c6h14 is an organic solvent that has a density 06603 gcm 3 at the temperature of twenty degree celsius when hexane is added with h2o there is a
nbspif ka1 0059 ka2 65times10-5 and kw 1times10-14 then compute the molarity of c2o42- in 013 m oxalic acidnbsp and express your answer in units
compute the molecular formula of ch3cooh the percent composition of acetic acid is 3999 c and 673 h the remainder of the compound is oxygenthe molar
find the density of a rock is found to have a mass of 338 g when placed in a graduated cylinder containing 400 ml of h2o the level of the h2o is
compute the ph of a solution made by mixing 67 grams of sodium acetate nach3coo to 37 g of acetic acid ch3cooh and dissolving in h2o to form 300 ml
what is the concentration of the new solution if 20 ml of h2o is added to 80 ml of a 030 m solution to make a new solution with a total volume of 100
at ph 5-6 7-amino-2-naphthol undergoes coupling at the 8-position explain whynbsp at ph 10 the coupling occurs at the 1-positionwhat is the final
determine what is the density of the oxygen gas in the full bottle if a cylindrical gas lecture bottle has internal dimensions of 180 cm in
determine the enthalpynbsp for the given reaction as cs2 l 2 o2 g rarr co2 g 2 so2 g if given cs o2g rarr co2g deltahf -3935 kjmolss o2g rarr
compute the activation energy for the flashing process when at 29o c the average rate is 33 flashes every 10 seconds at 23 degree celsius the average