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when nh4cl sroh2 8h2o reactedwhat actually happens during the reaction and how can i conclude this type of
1how much heat is produced in burning 9 mol of ethylene c2h4 under standard conditions if reactants and products are
what is the pressure in a 100-l cylinder filled with 0440mol of nitrogen gas at a temperature of
you titrate 250 ml of 0110 m nh3 kb 176 x 10-5 with 0100 m hcl what volume of hcl is required to reach the equivalence
a weather balloon has a maximum volume of 750 times 103 l the balloon contains 195 l of helium gas at a pressure of
consider the neutralization reaction that takes place when nitric acid reacts with solid ironii carbonate a write a
consider the neutralization reaction that takes place when hydrochloric acidnbsp reacts with aqueous sodium hydroxide
a strain of bacteria has been isolated that can cometabolize tetrachloroethane tca this strain of bacteria can be
the thiocyanate polyatomic ion scn- is commonly called a pseudohalogen because it acts very much like halide ions for
1determine the molar mass of a gas if 394g of the gas occupied a volume of 352l at stp 2 the combination reaction
a sample of oxygen gas occupies a volume of 5550 ml at 822 torr and -45 calculate the temperature in if the gas has
for the following questions consider the reaction between magnesium and oxygen mgso2g -gt mgos 1how many grams of mgo
1 a voltaic cell consists of a mnmn2 half-cell and a pbpb2 half-cell calculate pb2 when mn2 is 19 m and ecell is 019 v
pikes peak in colorado is approximately 4300 m above sea level what is the boiling point of water at the summit and
find the volume ml and ph of 00588 m koh needed to reach the equivalence points in titrations of the followinga 208 ml
to what temperature must a substance be heated so that its thermal energy is about 9 kjmol express your answer to the
what is the approximate thermal energy in kjmol of molecules at 0deg c express your answer to the nearest 01
a 500-ml volume of 015 m is titrated with 025 m koh calculate the ph after the addition of 200 ml of
a find the of nickel in the coin solution molority of nickel is 8469 density of coin solution as 100gmlb find the of
suppose solute a has a distribution coefficient of 10 between water and diethyl ether demonstrate that if 100 ml of a
ammonia and hydrogen chloride gases react to form solid ammonium chloride a 100 l reaction flask contains ammonia at
calculate the work done when 250 g of tin dissolves in excess acid at 100 atm and 29degc assume ideal gas
a 250 ml solution of 0600 m edta was added to a 570 ml sample containing an unknown concentration of v3 all v3 present
write the anode half-reaction for the electrolysis of aqueous sodium chloride and sodium sulfate i know the answers for
calculate the ph at the equivalence point for titration of 0140m methylamine ch3nh2 with 0140m hcl the kb of