
Hydrogen Fuel
Authored by Lisa Thompson
Science
12th Grade
NGSS covered

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A fuel cell converts facilitates the conversion between which two types of energy?
chemical to electrical
chemical to heat
electrical to chemical
heat to electrical
Tags
NGSS.HS-PS3-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a fuel cell, oxidation occurs at the anode.
true
false
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation half equation for a hydrogen fuel cell operating under acidic conditions?
H2(g) → 2H+(aq) + 2e-
H2(g) + 2OH- (aq) → 2H2O (l) + 2e-
O2(g) +2H2O (l) + 4e- → 4OH-(aq)
O2(g) +4H+(aq) + 4e- → 2H2O (g)
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the oxidation half equation for a hydrogen fuel cell operating under alkaline conditions?
H2(g) → 2H+(aq) + 2e-
H2(g) + 2OH- (aq) → 2H2O (l) + 2e-
O2(g) +2H2O (l) + 4e- → 4OH-(aq)
O2(g) +4H+(aq) + 4e- → 2H2O (l)
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the reduction half equation for a hydrogen fuel cell operating under acidic conditions?
H2(g) → 2H+(aq) + 2e-
H2(g) + 2OH- (aq) → 2H2O (l) + 2e-
O2(g) +2H2O (l) + 4e- → 4OH-(aq)
O2(g) +4H+(aq) + 4e- → 2H2O (g)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the reduction half equation for a hydrogen fuel cell operating under alkaline conditions?
H2(g) → 2H+(aq) + 2e-
H2(g) + 2OH- (aq) → 2H2O (l) + 2e-
O2(g) +2H2O (l) + 4e- → 4OH-(aq)
O2(g) +4H+(aq) + 4e- → 2H2O (g)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the hydrogen fuel cell was operating under alkaline conditions, what electrolyte could be used?
NaCl
HCl
KOH
H3PO4
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