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During a phase change, a substance receives or gives away heat. However, the temperature stays constant, since the energy is not used to increase the kinetic energy of the constituent molecules of the sub...

Verfremdungseffekt is the German word for 'alienating the audience'. Bertolt Brecht used the technique of verfremdungseffekt in all of his plays since he believed that the audience would better u...

Water has a greater boiling point than hydrogen iodide as water has hydrogen bonds, whereas iodine only has permenant dipole-dipole interactions. Hydrogen bonds are stronger than permenant dipole-dipole i...

In the nervous system, information is carried by electrical impulses from sensory neurons to the brain, from the brain to motor neurons, and within the neurons of the brain itself. A synapse is a connecti...

Wole Soyinka, in his poem 'Telephone Conversation' highlights an encounter between a white landowner and black client to effectively portray the evident and institutionalised discrimination facing the Afr...