the industrial production of hydroiodic acid takes place by treatment of iodine with hydrazine N2H4: 2I2 + N2H4 = 4HI + N2 a) how many grams of I2 needed to react with 36.7 g of N2H4? b) how many grams of HI are produced from the reaction of 115.7 g of N2H4 with excess iodine?
Answers: 2
Chemistry, 22.06.2019 00:40
1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /
Answers: 3
Chemistry, 22.06.2019 12:20
Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.
Answers: 3
Chemistry, 23.06.2019 00:30
Quickly what are the following of organisms that existed over a wide area but only for a limited time period called a.soft fossils b.mold fossils c.index fossils d.trace fossils
Answers: 1
Chemistry, 23.06.2019 03:00
Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?
Answers: 1
the industrial production of hydroiodic acid takes place by treatment of iodine with hydrazine N2H4:...
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