Chemistry, 26.06.2019 13:00 springlcp2nk7h
The balance of atoms becomes when electrons are removed or added
Answers: 1
Chemistry, 22.06.2019 10:00
How many mmols of tris-hcl are there in 100 ml of a 100 mm tris-hcl buffer solution at ph 8.1? note that the 100 mm refers to the sum of tris and tris-hcl concentrations?
Answers: 3
Chemistry, 23.06.2019 11:30
Bridget is in science class. her teacher gives her two unknown substances and asks her to determine their relative ph. she places a piece of red litmus paper into both substances. the litmus paper turns purple when she places it into substance i. the litmus paper turns blue when she places it into substance ii. a. substance i is a neutral substance and substance ii is an acid. b. substance i is a neutral substance and substance ii is a base. c. substance i is an acid and substance ii is a base. d. substance i is a base and substance ii is a neutral substance.
Answers: 1
Chemistry, 23.06.2019 13:30
Use the periodic table to classify each of the elements below. cadmium (cd): vanadium (v): xenon (xe): iodine (i): potassium (k): strontium (sr):
Answers: 3
Chemistry, 23.06.2019 13:30
What would happen if no were added to n(g)+o2=2no(g) at equilibrium?
Answers: 1
The balance of atoms becomes when electrons are removed or added...
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