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you have sold 30 moles of calcium carbonate how many moles of calcium chloride would you need to produce the calcium
the rate constant of the elementary reactionnbspnoclg nbspno2gnbsp-----gtclno2g nbspnogisnbsp0527nbspl
rank the following elements in order of decreasing atomic size barium boron cesium fluorine and
when 250 ml of 05 m hcl is added to 300 ml of 04 m naoh in a coffee calorimeter at 27degc the temperature rises to
in precipitation after 3ml of calcium acetate solution is added to 10ml of sodium fluoride what will be the reaction of
a layer of copper welded to the bottom of a skillet weighs 159 g how much heat in j is needed to raise the temperature
ammonium phosphate nh43po4 is an important ingredient in many fertilizers it can be made by reacting phosphoric acid
in a reaction involving ironfe and oxygeno it was determined that 4166 grams of iron reacted with 1803 grams of oxygen
anbsp500l tank atnbsp462degc is filled withnbsp410g of boron trifluoride gas andnbsp604 g of carbon dioxide gas you can
ammonia nh3 chemically reacts with oxygen gas o2 to produce nitric oxide no and water h2o what mass of nitric oxide is
a 700 l tank at 286degc is filled with 182g of carbon dioxide gas and 497g of carbon monoxide gas you can assume both
need a balanced equation of chloromethylbenzene c6h5ch3clnbsp kmno4 mno2 need this to find the theoretical yield for
why does the atoms or molecules oscillate and vibrate about a fixed point in a solid
7134 g of a non-volatile solute is dissolved in 2550 g of waternbspthe solute does not react with water nor dissociate
1 the equilibrium concentrations in a gas mixture at a particular temperature are 013 mh2 070 m i2 and 21 hi what
anbsp500 lnbsptank atnbsp134degc is filled withnbsp894 g of carbon monoxide gas andnbsp441g of sulfur hexafluoride gas
a 900l tank at 180degc is filled with 385g of boron trifluoride gas and 132g of sulfur tetrafluoride gas you can assume
anbsp700l tank atnbsp140degc is filled withnbsp112g of sulfur tetrafluoride gas andnbsp174g of sulfur hexafluoride gas
question what power can corporations and governments exert over the mining of key
calculate the theoretical freezing point for 291g of nacl 554g of cacl2 1711g of c12h22o11 and 2019g of
a driver in canada claims she was only doing 90 when the police officer stopped her what else do you need to know to
a solution is prepared by mixing 03355 moles of nano3 84995 g mol-1 with 2350 g of water 18015 g mol-1 its density is
just a few quick questionswhat is the empirical formula for c6h12o6the mass of a proton isnbsp167262nbspx 10-27nbspkg
an aqueous solution of orthophosphoric acid h3po4 has a measured density of 12089 g ml-1 and is 5257 molal how many
hardness in water is the sum of divalent cations which is equal to ca2nbspand mg2 hardness is expressed as mgl of caco3