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Osmosis is the passive movement of water from an area of high water concentration (dilute solution) to an area of low water concentration (concentrated solution) across a partially permeable membrane down th...

A monopoly is where the market and one firm are coextensive.It has a downward sloping demand curve due to product differential. One key feature is that it has high barriers to entry. This means that it is ab...

Firstly, the aftermath of an earthquake can create an environment where disease spreads due to the close proximity of those gathered after losing homes (creates densely populated communities, especially in l...

Al has the higher first ionisation energy. Mg electronic configuration is [Ne]3s 2 whereas Al configuration is [Ne]3s 2 3p 1 . To remove the electron from Al, it has to be removed from the 3p orbital, as opp...

Crude oil is a mixture of hydrocarbons with varying length carbon chains. The main method used to separate these is fractional distillation. The crude oil is heated, then placed inside a fractionating column...