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Chemistry, 22.06.2019 05:30
Describe the interaction that occurs between two objects with the same electrical charge.
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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, 23.06.2019 08:30
Of the following elements, which is the least reactive? a. c b. h c. li d. he
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Chemistry, 23.06.2019 09:30
People who practice which of the following diets may run the risk of not getting enough iron. a. gluten free or vegan diet b. diet for managing diabetes c. vegan diet d. gluten free diet
Answers: 2
The beginning of this chenical equation represents the
starting materials for a chemical reaction.<...
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