Chemistry, 25.06.2019 17:30 bleesedbeme
What volume of water must be added to 11.1 ml of a ph 2.0 solution of hno3 in order to change the ph to 4.0? a) 11.1 ml b) 89 ml c) 110 ml d) 1.10 ? 103 ml e) 28 ml
Answers: 1
Chemistry, 22.06.2019 00:30, BLASIANNkidd
Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.
Answers: 1
Chemistry, 23.06.2019 01:00, only1cache
Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.
Answers: 2
What volume of water must be added to 11.1 ml of a ph 2.0 solution of hno3 in order to change the ph...
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