Chemistry, 02.12.2020 18:10 justkevin1231
Balance the following oxidation-reduction occurring in acidic solution.
MnO 4 -(aq) + Co2+(aq) + Mn 2+(aq) + Co 3+(aq)
Identify the oxidation half-reaction, reduction half-reaction, oxidizing agent and reducing agent as well as balancing in acidic conditions.
Answers: 2
Chemistry, 22.06.2019 12:30
Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)
Answers: 1
Chemistry, 22.06.2019 18:00
Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.
Answers: 3
Chemistry, 22.06.2019 21:00
As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.
Answers: 1
Chemistry, 22.06.2019 22:00
Does the number of ions in solution increase, decrease, or remain constant? it continuously decreases. it continuously increases. it decreases at first, then increases. it increases at first, then decreases.
Answers: 3
Balance the following oxidation-reduction occurring in acidic solution.
MnO 4 -(aq) + Co2+(aq) + Mn...
Mathematics, 08.09.2021 05:10
Chemistry, 08.09.2021 05:10
Mathematics, 08.09.2021 05:10
Mathematics, 08.09.2021 05:10
Chemistry, 08.09.2021 05:10
History, 08.09.2021 05:10
Mathematics, 08.09.2021 05:10
Biology, 08.09.2021 05:10