What is oxidation number of Cr in Cr20-2-?
+2
+12
+6...
Answers: 3
Chemistry, 22.06.2019 10:30
Which describes fat? a: a carbohydrate that produces energy b: a nucleic acid that directs cell function c: a lipid that stores energy d: a protein that speeds up a chemical reaction
Answers: 1
Chemistry, 22.06.2019 15:30
The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b.colder climates near the equator c.large waves on the cost of europe d.warm climates in northern europe
Answers: 1
Chemistry, 22.06.2019 20:00
Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.
Answers: 3
Chemistry, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
Social Studies, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
Arts, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
Biology, 27.11.2021 05:00
Biology, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00
French, 27.11.2021 05:00
Social Studies, 27.11.2021 05:00
Mathematics, 27.11.2021 05:00