Topic 5 (energy changes)

Cards (6)

advantages of hydrogen fuel cells?
don’t need to be electrically recharged
no pollutants
can be made in a range of sizes for different uses
disadvantages of hydrogen fuel cells?
hydrogen is highly flammable
it is also difficult to store and sometimes made by non renewable sources
What half equation happens at the cathode of a fuel cell? 
Reduction
What half equation happens at the anode of a fuel cell?
Oxidation
what is activation energy?
The minimum energy required for a chemical reaction to occur.
what does the reaction profile look like for an exothermic reaction? 
Exothermic