Home Library Explore SAT

Home Library Explore SAT

fuel cells Flashcards | StudBud

Explore/fuel cells

fuel cells

9 terms·StudBud Administration·1,130 plays

a revision topic for hydrogen fuel cells for Mrs dhesi

Flashcards9 cardsFPractice quizPHost liveL

Questions 9

Answers

1
What is hydrogen?
an element that is incredibly non-reactive
an element making up 75% of the universe
an element making up 15% of the atmosphere
a yellow gas (used in ww 1)
2
one advantage of these fuel cells are that they _______
are pollution free
are very quiet
require little energy to start
don't draw a natural resource
3
electrolyte between two electrodes, anode and a cathode
false
true
help
4
what is a hydrogen fuel cell
an explosive reaction resulting in energy
they are a way to produce energy`
a test tube which reacts with oxygen
a way to store energy
5
hydrogen fuel cells are __________
reusable
sustainable
dangerous
volatile
6
hydrogen cells work by
separating water into hydrogen and oxygen
reacting oxygen with hydrogen
utilises a glitch in how chemistry works
creates a redox reaction in the engine
7
What are the uses for fuel cells?
ways of producing energy en masse
a way to reverting climate change
Stationary power -backup generators
Transport - in things like cars
8
The main issue about hydrogen as an alternative energy source is
B. Process of separating it from other elements
C. The cost of refinement
D. Its large mass
A. Its destructive capacity
9
These two basic elements are needed to make fuel cells work
water
Oxygen and magnesium
Hydrogen and oxygen
hydrogen dioxide