Chemistry Yr11 Flashcards
1
Q
Which is not an advantage for using a hydrogen oxygen-fuel cell in a space station?
A
They generate useful heat for warmth.
2
Q
How do you boost the amount of electricity a fuel cell system produces?
A
Add cells
3
Q
What type of electrodes are used?
A
Platinum
4
Q
Within hydrogen fuel cells, what is supplied at the positive electrode?
A
Oxygen gas
5
Q
Within hydrogen fuel cells, what is supplied at the negative electrode?
A
Hydrogen gas
6
Q
Within hydrogen fuel cells, which substance is formed at the negative electrode?
A
Hydrogen ions
7
Q
Within hydrogen fuel cells, which substance is formed at the positive electrode?
A
Water
8
Q
Which substance donates electrons?
A
Hydroxide ions
9
Q
Which substance accepts electrons?
A
Hydroxide ions
