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6co2 6h2o -gtc6h12o6 6o2 if 30 mols h2o react completelya explain what mass of co2 is reactedb explain what volume of
if magnesium sulfate is a hydrate with the formula mgso4h2o 165grams out of a 338 gram sample of the pure hydrate
a sample of 10ml of a solution of kbr has a mass pf 1260g while the solution is evaporated the residue weighs 380g with
consider the reaction that explain the haber process for the production of ammonia n2g 3h2glt-gt2nh3g for which kc at
explain which of the following equations represents the rate law for the subsequent elementary process ab -gt
an enzyme catalyzed reaction is carried out in a 50ml solution containing 01 m tris buffer the ph of the reaction
utilizing the reaction equation hcl naoh rarr nacl h2o compute the number of moles of base that are used in the
a balloon has a volume of 120 liters at 240 c the balloon is heated to 480 c compute the new volume of the
the purity of a sample containing zinc as well as weighing 0198 g is determined by measuring the amount of hydrogen
a 100 g sample of a gaseous compound of boron as well as hydrogen occupies 0820 l at 100 atm and 3 c explain what is
a student prepares a solution of carbonate-free naoh upon drama a rough titration the student finds the concentration
explain the heat of combustion for a sample of coal is 230kjg explain what quantity of coal in grams must be burned to
a 100 g piece of metal at 100 degrees c is transferred to a calorimeter containing 500ml of water initially at 230
a solution contains 3224mol of base hydroxide from baoh2 explain how many grams of baoh2 17136 gmol are present in the
which of the subsequent pairs of compounds would be most easily separated by thin layer chromatography n-octyl alcohol
illustrate how you could prepare each of the following compounds from propene and any necessary organic or inorganic
a water desalination plant is set up near a salt marsh containing water that is 010 m nacl evaluate the minimum
a water desalination plant is set up near a salt marsh containing water that is 010 m nacl compute the minimum pressure
anthraquinone contains only carbon hydrogen and oxygen as well as has an empirical formula of c2h4othe freezing point
a 200 g sample of a large bio molecule was dissolved in 150 g of carbon tetrachloride the boiling point of this
an aqueous antifreeze solution is 400 ethylene glycole c2h6o2 by mass the density of the solution is 105 gcm3 compute
when 1000ml water at an unknown temperature is mixed with 500ml water at 10 degrees celsius the final temperature is 30
a certain first order reaction a-gtb while performed at 25 degree c is 25 complete after 42 min explain what is the
it takes 42 min for the concentration of a reactant in a first order reaction to drop from 045 m to 032 m at 25 degrees
the activation energy for the isomerization of cyclopropane topropene is 274 kjmol by what factor does the rate of this