Chemistry Problems




Hess's Law Example Problem Abstract Energy Cube
Hess’s law of constant heat summation, or Hess’s law for short is a relationship describing the enthalpy change of a reaction. The total enthalpy change of a reaction is the sum of total enthalpies for each step of the reaction and is independent of the order of the steps. Basically, […]

Hess’s Law Example Problem



Phosphoric acid is an example of an oxoacid. (Ben Mills)
An oxoacid is a type of acid that contains oxygen bonded to hydrogen and another element. This chemistry example problem explains how to identify the strongest acid from a list of oxoacids, also known as oxyacids. Oxoacid Example Problem Which of the following is the strongest acid? HClO4 HClO3 HClO2 […]

Oxoacid Example Chemistry Problem


Boyle's Law describes the relationship between pressure and volume of a gas when mass and temperature are held constant. (NASA)
Boyle’s Law is a special case of the Ideal Gas Law in which the pressure and volume of an ideal gas are inversely proportional to each other, providing the temperature and mass of the gas are held constant. Here’s an example of how to perform a calculation using Boyle’s Law. […]

Boyle’s Law Example Problem