15. The following reaction occurs in a new battery called the super iron battery. is oxidized and total moles of electrons are transferred in this balanced reaction (below). 2K, FeO, (aq) + 3Zn(s)– Fe in K2FEO4 , 3 moles e transferred →Fe,03() + ZnO(s) + 2K,ZnO, (aq) d. Zn in Zno,2 moles e transferred Zn in K,ZnO2 ,4 moles e transferred a. b. Zn metal , 6 moles e transferred е. с. Fe in Fe2O3 , 3 moles e transferred

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is oxidized and
15. The following reaction occurs in a new battery called the super iron battery.
total moles of electrons are transferred in this balanced reaction (below).
Fe in K2FEO4 ,3 moles e transferred
b. Zn metal , 6 moles e transferred
Fe in Fe2O3 , 3 moles e transferred
2K,FeO, (ag) + 3Zn(s)→Fe,0;(s) + ZnO(s) + 2K,ZnO, (ag)
d. Zn in ZnO ,2 moles e transferred
e. Zn in K,ZnO2 ,4 moles e transferred
а.
с.
16. The thermite reaction, shown below, is very exothermic and is often used as an initiator in fireworks. In this
reaction,
is the reducing agent.
Fe,03(s) + 2AI(s) → 2Fe(s) + Al,O3(s)
d. Al2O3(s)
a. Fe2O3(s)
b. Al(s)
с. Fe(s)
е. Н(g)
17. Where in the periodic table do you find the elements that are the best reducing agents with the most negative
standard reduction potentials?
a. in group 16
b.
c. in the middle
d. at the bottom
e. in group 17
on the left
Transcribed Image Text:is oxidized and 15. The following reaction occurs in a new battery called the super iron battery. total moles of electrons are transferred in this balanced reaction (below). Fe in K2FEO4 ,3 moles e transferred b. Zn metal , 6 moles e transferred Fe in Fe2O3 , 3 moles e transferred 2K,FeO, (ag) + 3Zn(s)→Fe,0;(s) + ZnO(s) + 2K,ZnO, (ag) d. Zn in ZnO ,2 moles e transferred e. Zn in K,ZnO2 ,4 moles e transferred а. с. 16. The thermite reaction, shown below, is very exothermic and is often used as an initiator in fireworks. In this reaction, is the reducing agent. Fe,03(s) + 2AI(s) → 2Fe(s) + Al,O3(s) d. Al2O3(s) a. Fe2O3(s) b. Al(s) с. Fe(s) е. Н(g) 17. Where in the periodic table do you find the elements that are the best reducing agents with the most negative standard reduction potentials? a. in group 16 b. c. in the middle d. at the bottom e. in group 17 on the left
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