Chemistry, 01.09.2019 16:00 katieleeisaacs8368
Refer to the given oxidation-reduction reaction, which takes place in acidic solution: mno₄⁻(aq) + br⁻(aq) → mno₂(s) + bro₃⁻(aq) the number of electrons transferred in the reaction is:
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, 22.06.2019 21:00
Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
Answers: 1
Refer to the given oxidation-reduction reaction, which takes place in acidic solution: mno₄⁻(aq) +...
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40
Mathematics, 30.07.2019 20:40