What are fuel cells?
Explain hydrogen-oxygen fuel cell.
Why is a salt bridge used?
Role in galvanic cells.
Sound Waves
Why do we hear thunder after lightning?
Define rate of reaction.
Conceptual question.
Doppler Effect
Why does an ambulance siren sound different when passing by?
What is activation energy?
Use an analogy.
Why does increasing temperature increase reaction rate?
Kinetic theory application.
Shock Waves
What causes the sonic boom from supersonic jets?
Explain order of a reaction.
Definition and example.
Specific Heat
Why does sand heat up faster than water on beaches?
What is the difference between SN1 and SN2 reactions?
Mechanism comparison.
Heat Transfer
Why are metal utensils used for cooking?
Difference between crystalline and amorphous solids
Why do crystalline solids have sharp melting points while amorphous solids don't?
Study Materials
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