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Empirical formula is the simplest whole number ratio of atoms of each element in a compound. With the empirical formula and relative molecular mass, we can determine the actual molecular formula of a comp...

For a persuasive essay at Higher level you want to begin with an introduction that will really capture the attention of the reader. You also want to set up the main argument of your essay without giving t...

To solve using elimination, you need to use the following four steps:Step 1: make sure that both of the equations have opposite x terms or opposite y terms. Currently neither of the x terms in the two equ...

The answer to this question should be well structured with no more than 3-4 core points explained and develop. Start by considering the wording 'evaluate' this already tells you that you need to look for ...

These muscle cells are known as a type of cell called smooth muscle. They serve to contract/shorten regularly in unison in a process known as peristalsis. This allows the food to be mixed with each other,...