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calculate deltah degrees for each of the following reactions 4naso29g 2naos 2nas2h2ol 2naohaq
constant current of 1010rm a is passed through an electrolytic cell having an impure copper anode a pure copper cathode
it takes 585j of energy to raise the temp of 1256g mercury from 200 degrees c to 535 degrees c calculate the specific
what is the acidic solution to this half reaction please show in detail hcn cro42- cno-
nitroglycerin is a shock sensitive liquid that denotes by the reaction 4c3h5no331 6n2g10h2og12co2go2g calculate the
a compound used in the manufacturing of saran is 247c 21hand 732ampcl by mass the storage of 3557g of the gaseous
a baby with a severe bronchial infection is in respiratory distress the anethetist administers heliox a mixture of
started with the following chemical na2o3h3po4 napo4h2o cr2 find the limiting reagent if you started with 450ml of 265
the oil produced from eucalyptus leaves contains a vloatile organic compound eucalyptol at 190 degrees c and 600 torr a
a very flexible helium-filled balloon is released from the ground into the air at 20 the initial volume of the balloon
consider 470 of a gas at 365 and 20 if the container is compressed to 200 and the temperature is increased to 38 what
a sample of gas has a mass of 0565 its volume is 119 at a temperature of 80 and a pressure of 746 find the molar mass
an air sample contains 0034 if the total pressure is 765 what is the partial pressure
sodium reacts with chlorine gas according to the reaction what volume of gas measured at 686 and 32 is required to
how many grams of magnesium oxide are formed when 148 of oxygen gas measured at stp completely reacts with magnesium
describe what is reduced and what is oxidized balance the chemical equation by the half reaction method on both acidic
na2co3h3po4na3po4h2oco2 find the limiting reagent if you strat with 450ml if 26m na2co3 and 88 grams of h3po4 what is
the molecule c3h6f2 can exixt in three isomeric formsthe three carbons are central atoms and the h and f atoms are
when 100 g of calcium carbonate was mixed with 1500 ml of 100 m hydrochloric acid a gas formedwhat is the theoretical
describe how you would prepare 500 ml of a 0200 m solution of hcl from a concentrated dolution of 120 m
the first step in the stork enamine reaction an enamine contains an alkene functional group and an amine functional
consider the following reaction and its value of delta go h2og cog h2g co2g delta go 33 kj a starting with equal
at 700 kelvin the kp54 for h2 i2 gt 2hi and kp104e-4 for n2 3h2 gt 2nh3 determine the kp for reaction 2nh3 3i2 gt
ksp for caf2 is 39e-11 at 25c assuming caf2 dissociates completely after desolving and that there are no other
1 during tlc if a solvent of too low polarity is used the components will stay absorbed to the silica gel and not move