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barium sulfate baso4 is so insoluble that it can be swallowed without significant danger even though ba2 ions are toxic
when 2-methyl-3-pentyl tosylate was heated in n-butyl alcohol with no added base the following alkenes were produced in
write a chemical equation for the synthesis of ethyl 2-methylpropanoate use structural formulas for each organic
identify the element oxidized and the element reduced in this chemical equationh3aso4 h2s arrow h3aso3 s h2oidentify
small pieces of silver copper and magnesium are placed in solutions that contain one of the following ions ag cu 2 mg
what is the concentration of a solution of sodium hydroxide 250 cm3 of which requires 200 cm3 of hydrochloric acid of
the pka of one of the hydrogens that is attached to one of the nitrogens of the purine guanine is 97 if guanine is in a
provide a qualitative risk analysis ie what are the hazard severity and hazard probability classifications along with
a 5000 ml solution of 00350 m hypochlorous acid ka 35 x 10-5 is titrated with a 00105 m solution of naoh as the
sodium fluoride is used in many types of toothpaste to give them basic ph sodium ions do not affect the ph of the
calculate the molar concentration of each ion na and po4 3- in a aqueous na3po4 solution when 20 g of na3po4 is
a solution is prepared by dissolving 150 g of pbno32 in a small amount of water and diluting to a total volume of 25000
a naoh solution was standardized by titration with a sample of potassium hydrogen phthalate khc8h4o4 molar mass 2042
1 which of the following languages is more suited to a structured programapl1bfortrancbasicdpascalenone of the above2 a
q1 you are given an unsorted list containing integer values with duplicates describe a most efficient algorithm to
why is oxygen on the periodic table o isnt oxygen
acetic acid can be prepared by heating methyl cyanide withadi naoh solution b hcl solutioncsodium and alchol
the question is how many electrons in an atom can have the quantum numbers n 4 and l 1the other question was when
1 how are the aldehyde functional group and the carboxylic acid functional group similar how are they different 2 how
the method of concentrating the ore which makes use of the difference in density between ore and impurities is
the formula c6h5-co-ch3nbsprepresentsaacetonebacetic acidcacetophenonedphenyl
for the reactionnog 12 o2g rarr no2gdeltahdegrxn is -11414 kjmol calculate deltahdegf of gaseous nitrogen monoxide