Chemistry Definitions Advanced Quiz 1
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Advanced Quiz 1
1. What is the definition of Gibbs free energy (G)?
A thermodynamic quantity that predicts the spontaneity of a process at constant temperature and pressure
The energy required to break a chemical bond
The energy released during combustion
2. What is a coordination compound?
A compound consisting of a central metal atom bonded to surrounding ligands
A compound made only of nonmetals
A compound with only ionic bonds
3. What is a zwitterion?
A molecule with both positive and negative charges but overall neutral
A molecule with only positive charge
A molecule with only negative charge
4. What is the Arrhenius equation used for?
Describing how reaction rate depends on temperature and activation energy
Calculating molar mass
Determining pH
5. What is the definition of a chiral molecule?
A molecule that is not superimposable on its mirror image
A molecule with a double bond
A molecule with only one atom
6. What is a buffer solution?
A solution that resists changes in pH upon addition of acid or base
A solution that changes color when heated
A solution that reacts violently with water
7. What is a ligand in coordination chemistry?
An ion or molecule that binds to a central metal atom
A type of acid
A gas produced in combustion
8. What is the difference between a nucleophile and an electrophile?
A nucleophile donates electrons; an electrophile accepts electrons
A nucleophile accepts electrons; an electrophile donates electrons
There is no difference
9. What is the definition of entropy (S)?
A measure of disorder or randomness in a system
A measure of heat content
A measure of atomic number
10. What is a transition state in a chemical reaction?
A high-energy, unstable arrangement of atoms at the peak of the reaction pathway
A stable intermediate product
A reactant before the reaction starts
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