Search over 10,000 free study notes

An ionic bond is the electrostatic attraction between oppositely charged ions formed by atoms that have lost or gained electrons whereas a covalent bond is a shared pair of electrons between two atoms. Ionic...

One advantage of biofuels is that they can help to reduce CO2 emissions, by growing plants that photosynthesise, meaning any CO2 released is more balanced than with fossil fuels.Biofuels are also renewable s...

Water is being managed through techniques domestically, in HICs many homes have been fitted with water meters. People with meters use much less water as they are charged for how much water they use, rather t...

Let us use the exam question 'How far does Bronte present Jane Eyre as evil in the red room scene?' as an example to help guide us through the structure of a good essay. You need to first start with an intro...

When solving simultaneous equations the first step is to take one of the equations and rearrange it to make one of the terms the subject. In this case lets take the equation 1+y=2x. Take the 1 over to the ot...