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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
how many grams will remain after 980 daysnbsp if phosphorus-32 has a half-life of 140 days starting with 600g of how many liters of hcl is needed to
a boy wants to prepare a 250ml of a buffer that is ph450 beginning with 100ml of 012 moll ch3cooh and a supply of 010moll sodium hydroxide explain
estimate the ph and the concentration of all species in solution at equilibrium for a 015 m solution of ascorbic acid or h2c6h6o6 for ascorbic acid
determine the kinetic energy of the emitted electrons when cesium is exposed to uv rays of frequency 13 x 1015 hz express your answer in
what is the concentration of nh3 in a solution if 200 ml of a 01145 m solution of hydrochloric acid are required to titrate a 1000 ml sample of the
two hypothetical ionic compounds are discovered with the chemical formulas acl2 and bcl2 where a and b represent symbols of the imaginary elements
a mixture of three gases x y and z is at a total pressure of 725 atm the partial pressure of gas x is 184 atm that of gas y is 368 atm what is the
what would be the formula for the compound sample if a sample of a compound contains 136 mol of nitrogen atoms and 272 mol of oxygen atomsconsidering
determine the molar mass of the substance if 1200 grams of a pure sample contained 240 mol of the substance express your answer in gmolx is an
in a batch reactor the decomposition of species a follows n-th order kinetics as a-gtb rk cnthe conversion of a reaches 50 in a five minute run what
when an unknown compound z of 951 grams was added in 92 grams of c6h6 benzene determine what is the mole fraction of x nbspnbsp if the vapor pressure
determine how many moles of cation are produced when 646 grams of nh4cl is dissolvednbspcompute the difference in the ionization energies for the 1h
the three naturally occurring isotopic forms of k are 39k 38963707u 40k 39363999 u and 41k the percentage natural abundances of 39k and 41k are
what is the compounds molar mass if the density of a gaseous compound of phosphorous is 0943gl at 474k when its pressure is 728 torra single