Chemistry, 28.12.2019 05:31 nkazmirski5598
Consider a voltaic cell where the anode half-reaction is zn(s) β zn2+(aq) + 2 eβ and the cathode half-reaction is sn2+(aq) + 2 eβ β sn(s). what is the concentration of sn2+ if zn2+ is 2.5 Γ 10β3 m and the cell emf is 0.660 v? the standard reduction potentials are given below
zn+2(aq) + 2 eββ zn(s) eβred = β0.76 v
sn2+(aq) + 2 eβ βsn(s) eβred =-0.136 v
a. 9.0*10^-3 m
b. 3..3*10^-2 m
c. 6.9*10^-4 m
d. 7.6*10^-3 m
Answers: 2
Chemistry, 21.06.2019 22:00
Which describes interactions between substances and stomata during photosynthesis? check all that apply. oxygen enters stomata. oxygen is released through stomata. carbon dioxide enters stomata. carbon dioxide is released through stomata. hydrogen enters stomata. hydrogen is released through stomata.
Answers: 1
Chemistry, 22.06.2019 04:00
Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.
Answers: 3
Chemistry, 22.06.2019 12:50
The number at the end of an isotopeβs name is the number.
Answers: 1
Chemistry, 22.06.2019 14:40
Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate β enzyme-substrate complex (b) enzyme + substrate βββ enzyme + products (c) enzyme + substrate βββ enzyme-substrate complex β enzyme + products (d) enzyme + substrate βββ enzyme-substrate complex β enzyme-substrate complex + products
Answers: 2
Consider a voltaic cell where the anode half-reaction is zn(s) β zn2+(aq) + 2 eβ and the cathode hal...
World Languages, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
History, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
History, 09.12.2019 12:31
Mathematics, 09.12.2019 12:31
Biology, 09.12.2019 12:31
Computers and Technology, 09.12.2019 12:31
English, 09.12.2019 12:31