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carbonic acid h2co3 is a diprotic acid withka1 42times10-7and ka2 48times10-11 theion product for water is kw 10
a coffee cup calorimeter having a heat capacity of 451 joc was used to measure the heat evolved when 00300 mol of naohs
questionsuse boyles law to explain what would happen to the volume of a helium- filled balloon if it was carried
what are the major sources and emissions of air pollution in your community what chemicals are they emitting and how
a 100 l flask is filled with 100 g of argon at 25 c a sample of ethane vapor is added to the same flask until the total
need help with these ideal gas law questionsa quantity of co gas occupies a volume of 063 l at 20 atm and 337 k the
a weather balloon is inflated to a volume of 256 l at a pressure of 733 mmhg and a temperature of 273 c the balloon
when silver tarnishes silver metal reacts with the element sulfur to form a gray deposit of ag2s if ag reacts with s to
consider the following reversible reaction in a 300 liter container the following amounts are found in equilibrium at
how many grams of dipotassium succinate trihydrate k2c4h4o4middot3h2o mw 24832 gmol must be added to 5000 ml of a
calculate the h and ph of a 0000251 m hydrazoic acid solution keep in mind that the ka of hydrazoic acid is 220 times
directionsrefer back to equation 2 and consider carefully whether you could simply have used the ph value of the
what is the maximum mass in grams of aluminum chloride that could be obtained from 250 mol of barium chloride and
a soil analysis was done for the exchangeable cations in the soil and the results were as followsca 18 gkg atomic wt
discussion 1 in this discussion consider how fats are digested and utilized in the bodynbsp address the following
aluminum reacts with chlorine gas to form aluminum chloride via the following
a solution contains naphthalene c10h8 dissolved in hexane c6h14 at a concentration of 1455 naphthalene by mass
take an ideal monatomic gasgamma 53around the carnot cycle where thnbsp 600 k and tlnbsp 300k point 1 at the beginning
a cleaning solution is found to have a oh- 32 x 10-12m what is the h3o and is the solution acidic or
what are the spectator ions of the following reactionh2so4nbspaq 2 koh aq k2so4nbspaq 2h2o
a sample has a specific heat of 0155 calgmiddotdegc how much energy will be required to raise the temperature of the
write the elemental symbol with charge for when aluminum forms an ion and tell whether it is an anion or a cation think
a 120 ml sample of a compound has a density of 144 gml what is the weight of the sample in
1 for the following reaction at 25oc deltaho -1069 kj and deltaso 289 jka 4b rarr 3c 3dwhat is deltagoat 442oc in kj2
antimony reacts with sulfur according to the following reaction2sbs 3ss rarr sb2s3swhat is the mass percent yield from