Examples for

Step-by-Step Chemistry


Calculate the atomic mass:

Assemble a ground-state orbital diagram:

Count the number of valence electrons:

Compute the energy of a photon from its wavelength:

Find the wavelength of a photon from a CO2(g) laser:

Compute the de Broglie wavelength:

Build the nuclide symbol:

Find the neutron number:

Chemical Reactions

Learn how to balance a chemical reaction:

Find the required amount of reactants:

Determine the theoretical yield:

Compute the percent yield:

Structure & Bonding

Get a step-by-step procedure to draw the Lewis structures of molecules:

Compute oxidation states of chemicals:

Determine orbital hybridization one step at a time:

Use Hückel's rule to determine aromaticity:


Compute the change in internal energy:

Compute the heat capacity ratio:

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