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choose in which direction the following reaction would be spontaneous calculate eo delta go and k for the spontaneous
calculate delta go for the following reaction at 25 degrees celsius what is k of reaction what type of reaction is it
1 a galvanic cell uses the following solutions 15 m cr2so43 in 08 l of water and 08 m auno33 in 12 l of water write the
an artifact classified asnbspwood bristlecone pine found in a site atnbsptree ring usa is found to have anbsp14c
a flask contains a 03437 m solution of potassium hydroxide the solution is titrated and reaches an equivalence point
1 what would the hydrogen ion concentration be if the poh was 42 what would the hydroxide ion concentration be if the
calculate the ph of the followingh 1 x 10-3 moh- 1 x 10-5 mh 1 x 10-7 mh 1 x 10-13 moh- 1 x 10-0 mcalculate the
provide a balanced equation for the combustion of octane with oxygen to obtain carbon dioxide and water what is the
an artifact classified asnbspcharcoal found in a site atnbspkettlebury uk is found to have anbsp14c radioactivity
hey ive been having some trouble with moles in chemistryits a fairly simple problem but help is appreciated all the
in the lab you set up a titration experiment with 300 ml of 0100 m h3po4 solution in a flask and 0120 m naoh in the
in the saponification lab you tested the foaming ability of soap in the presence of cacl2
what is the chemical equation that shows how a h3po4 nah2po4 buffer will react to the addition of a strong acid and a
1 anbsphydrocarbons and their derivatives are organic compounds that contain carbon and hydrogen and they easily
the filter criteria we used in lab eliminates molecules containing saponin derivatives what are saponins and why are
given 2kmno4 5h2o2 3h2so4 -gt k2so4 2mnso4 5o2 8h2oif initially 565 g of potassium permanganate was taken for the
given 2kmno4 5h2o2 3h2so4 -gt k2so4 2mnso4 5o2 8h2oif 100 ml 05 m potassium permanganate was mixed with 50 ml 2m
in testing stoichiometry lab why was the copper ii sulfate solution added to the strontium nitrate solution in step 5
sketch the voltaic cell containing znzn2 and fe2fe3 half cells calculate the ecell be sure to label everything hint
although ammonia is usually considered to act as a base it can also act as an acid with a pka of 38 the sodium salt of
you have a solution that is 002m formate hcoo- and 003m formic acid hcooh which has a ka of 18x10-4 what is the ph of
start with a 23 gram sample of agcl how many liters of water would you have to use to dissolve 15 of the sample how
calculate the ph for the following reaction naoh hco2h ----gt h20 hco2- na if you mix 2 grams of naoh with 50ml of
a compound has 4068 carbon 512 hydrogen and 5420 oxygen by mass calculate its empirical formula for credit please show
1 name the complex ion cucn64- the oxidation number of copper is 22 name the complex ion cunh32h2o42 the oxidation