ChemViz

(a)When scientists use a chemical's molecular weight to create a formula which can explain a mathematical equation.

(b)When scientists perform numerical computations of molecular electronic structures using various known formulas and techniques.

(c)When scientists formulate analytical expressions for the properties of molecules and their reactions.

The method of computational chemistry which is best for systems of hundreds of atoms and/or involving electronic transitions.

(a)Semi-Empirical

(b)Molecular Mechanics

(c)Ab Initio
A group of methods in which molecular structures can be calculated using nothing but the Schroedinger equation, values of the fundamental constants and atomic numbers of the atoms present is...

(a)Semi-Empirical

(b)Molecular Mechanics

(c)Ab Initio
The method which utilizes classical physics to explain and interpret the behavior of atoms and molecules is...

(a)Semi-Empirical

(b)Molecular Mechanics

(c)Ab Initio
Which of the following cannot be calculated using computational chemistry.

(a)Electron and charge distributions

(b)Rate constants for complex reactions

(c)Details of the dynamics of molecular collisions

(d)Potential energy surfaces

Computational chemistry is...

(a)Only for scientists who are afraid of real experiments.

(b)Cheap and much less time consuming than experimentation for big systems.

(c)Helpful in the determination of properties that are inaccessible experimentally.

(d)Not very accurate when compared to experimental data.

Computational chemistry is relatively _________ and is helpful in making _________ for experiments.

(a)expensive, predictions

(b)expensive, excuses

(c)inexpensive, predictions

(d)inexpensive, excuses

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