A sample of human blood was tested and found to have a pH of 7.43. Calculate [H3O+] and [OH-].

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Ammonium perchlorate nh4clo4 is the solid rocket fuel used by the u.s. space shuttle. it reacts with itself to produce nitrogen gas n2 , chlorine gas cl2 , oxygen gas o2 , water h2o , and a great deal of energy. what mass of nitrogen gas is produced by the reaction of 2.1g of ammonium perchlorate?

Which of these is an intensive property of a substance

To separate a mixture of hard candies nd marbles the most efficient method would be