Example Solutions for

Step-by-Step Chemistry


Chemical Conversions

Convert chemical quantities to other chemical units.

Follow the steps for unit conversion:

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Atoms

Explore the properties of atoms step by step.

Calculate the atomic mass:

Count the number of valence electrons:

Build the nuclide symbol:

Find the neutron number:

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Quantum Chemistry

Compute properties arising from the quantum nature of chemicals.

Assemble a ground-state orbital diagram:

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:

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Molecules

Explore the properties of molecules.

Calculate molecular mass:

Compute the elemental composition of molecules:

Count the total number of particles:

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Chemical Reactions

Analyze chemical reactions step by step.

Learn how to balance a chemical reaction:

Find the required amount of reactants:

Determine the theoretical yield:

Compute the percent yield:

Compute total ionic equations:

Determine net ionic equations:

Find the spectator ions:

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Equilibrium

Construct the steps to solve chemical equilibrium equations for chemical reactions.

Learn to build an equilibrium constant:

Assemble a reaction quotient:

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Kinetics

Explore chemical kinetic properties and expressions step by step.

Construct the reaction rate expression:

Compute the molecularity:

Assign the elementary reaction type:

Build the rate-of-conversion expression:

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Structure & Bonding

Investigate the structure and bonding properties of individual molecules.

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:

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Gases

Compute the properties of chemicals in the gas phase step by step.

Calculate molar properties for gases:

Determine the amount of a gas:

Find the volume of a gas:

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Electrochemistry

Explore electrochemical properties of chemical cells.

Calculate the cell potential:

Compute the reaction quotient:

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Thermodynamics

Investigate the thermochemical properties of compounds step by step.

Compute the change in internal energy:

Compute the heat capacity ratio:

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