What are fuel cells?
Explain hydrogen-oxygen fuel cell.
Why is a salt bridge used?
Role in galvanic cells.
Define rate of reaction.
Conceptual question.
What is activation energy?
Use an analogy.
Why does increasing temperature increase reaction rate?
Kinetic theory application.
Explain order of a reaction.
Definition and example.
What is the difference between SN1 and SN2 reactions?
Mechanism comparison.
Difference between crystalline and amorphous solids
Why do crystalline solids have sharp melting points while amorphous solids don't?
Types of unit cells
What are the different types of unit cells found in crystals?
Packing efficiency
Which type of cubic unit cell has the highest packing efficiency and why?
Defects in solids
What are Schottky and Frenkel defects, and how do they affect conductivity?
Electrical properties
Why are metals good conductors but insulators aren't?
Real-life example
Why is glass considered an amorphous solid?
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