Azo dyes are the most diverse group of synthetic dyes. Azo dyes are prepared in two steps. The diazonium salt…
Concepts Berg
Chemicals float over one another because of differences between their densities. Density is the property of a substance relating to…
The logarithmic way of expressing the concentration of hydrogen ions in simple whole numbers between 0 and 14 is called…
A function is an expression involving one or more variables. It is a rule that relates set of inputs with…
Quinones are oxidized derivatives of aromatic compounds. The precursors of quinones can either be benzene or naphthalene. The alkenes (-C=C-)…
Salt makes ice colder because it lowers its freezing/melting point. As a matter of fact, when a solute is added…
When two smaller nuclei fuse to form one larger nucleus, an enormous amount of energy is released. The masses of…
The spontaneity of a reaction can be explained with Gibbs’s free energy. Gibbs free energy is a thermodynamic property equal…
Metals contain metallic bonds and form lattices. A metallic lattice is a three-dimensional arrangement of metal ions. The metal cations…
Phenolphthalein (C20H14O4) is a weak organic acid. The conjugate base of phenolphthalein (Ph–) is pink in color whereas the undissociated/acidic…