Chemical Equations - QS Study
QS Study

What is Diluting Solutions?

Often, in analytical work, it is necessary to know how to prepare a more dilute solution from a more concentrated one. This process is called......

Common units of Concentration

Chemists use grams per cubic decimetre. Remember that 1000 cubic centimetres (cm3) equals 1 cubic decimetre (dm3) also equals 1 litre (L). We note that......

Define Solutions and Concentrations in terms of Chemistry

A Solution is a homogeneous mixture of two (or more) pure substances and typically consists of a solvent (the “dissolver”) which is generally present in......

What is Isotopes?

Many elements have more than one type of atom. These atoms have the same number of protons but different numbers of neutrons. Atoms having different......

Fundamental Subatomic Particles

Electrons are only found outside the nucleus. We can say that the electron has a negligible mass because it is —2000 times less heavy than......

What is Atomic Structure?

An atom was once thought to be the smallest part of something that could exist. In 1897, JJ Thompson discovered that by applying high voltage......

Balancing Chemical Equations

Write the correct formula for the reactants and products; reactants on left of arrow, products on right. Choose the most complicated compound that contains the......

Chemical Equation

A chemical equation is a shorthand description of the changes that occur in a chemical reaction such as Methane + Oxygen → Carbon Dioxide +......

Differences between Empirical Formula and Molecular Formula

Differences between Empirical Formula and Molecular Formula: Empirical Formula 1. The formula which gives the simple whole number ratio of the atom of various elements......

Methods of Balancing Chemical Equations

Balancing by inspection: Consider the example: We notice that there are 2 nitrogens on both the left and right sides, so nitrogen is already balanced.......