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The relative formula madd of a compound comes from the total mass of all of the elments within the compound.

So in the case of calcium carbonate (CaCO₃) we have;

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Form refers to the type of text, for example novel, haiku, sonnet, that the writer has used. It is significant because the writer has deliberately chosen the form in order to best convey the themes or ...

As a river flows across a valley over time it will meander in order to find the path of least resistance through patches of soft and hard rock. As the river meanders it erodes the outside of the bend (...

Temperate deciduous woodland is found between the latitudes of 40 and 60 degrees north and south of the equator. It is a high energy biome, meaning it has a high level of productivity and exists in a s...

A very small percentage of the typical medical school interview will assess your wider reading.

Often your interviewer will be more interested to see whether you have the traits and quali...