Search over 10,000 free study notes

Diffusion is the movement of a substance from an area of high concentration to an area of low.For example, imagine spraying a deodorant can. The substance coming out of the can is at high concentration an...

To work out an oxidation state of an atom you need to assign the electrons on the atoms outer shell to the most electronegative atom.O>N>C>H. Electrons in the outer shell of two of the same atoms...

Both commands are used to run a chunk of code that satisfies the condition inserted. The main difference is that while is a loop, i.e. it is run until the condition is s...

How to structure an exam question - this relies on the introduction which should state:Line of argument (1 sentence)Why this is your opinion - in this case, what does 'too powerful' mean. This requires an...

Diffusion is the main mechanism for absorption within the small intestine, so effective diffusion is the key to sufficient nutrient absorption. The small intestine has a very large surface area, created b...