Chemical Conversions
Follow the steps for unit conversion:
Molecules
Calculate molecular mass:
Compute the elemental composition of molecules:
Count the total number of particles:
Kinetics
Construct the reaction rate expression:
Build the rate-of-conversion expression:
Colligative Properties
Compute the boiling point elevation for a solution:
Find the freezing point depression for a solution:
Determine the van 't Hoff factor for a solution:
Atoms
Assemble a ground-state orbital diagram:
Count the number of valence electrons:
Find the wavelength of a photon from a CO2(g) laser:
Build the nuclide symbol:
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:
Chemical Solutions
Prepare chemical solutions:
Prepare a dilute solution:
Find the anti-knock index for gasoline:
Thermodynamics
Compute the change in internal energy:
Equilibrium
Learn to build an equilibrium constant:
Assemble a reaction quotient:
Gases
Calculate molar properties for gases:
Determine the amount of a gas:
Concentrations
Compute the molarity of a solution:
Find the molality of a solution:
Determine the mass fraction for a mixture:
Evaluate the amount fraction for a solution: