Permutation and Combination
In how many ways can 5 people be seated in a row of 7 chairs?
Statistics
A data set consists of 15, 20, 35, 40, 50, 50, and 55. Find the median and mode of this data set.
Environmental Chemistry
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What is acid rain? Explain its causes and effects on the environment.
States of Matter
Define Boyle’s law and Charles’s law. How do these laws describe the behavior of gases?
s-Block Elements
List two properties of alkali metals. Explain why they are highly reactive.
Hydrocarbons
What are alkanes? Describe the structure and properties of an alkane with an example.
Redox Reactions
Define oxidation and reduction. Explain how they are related to the transfer of electrons.
Equilibrium
What is the law of chemical equilibrium? Write the expression for the equilibrium constant for a reaction involving gases.
Thermodynamics
State the first law of thermodynamics. How is it applied to an isothermal process?
Chemical Bonding
Define ionic bond and covalent bond. Compare the properties of ionic and covalent compounds.
