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Line A and line 4y+12x+24 are parallel. This means that they have the same gradient. In y=mx+c the gradient of the line is m. We can rearrange the equation 4y+12x+24 to find m. To begin with subtract 12x...
Substitute in the second equation into the first to eliminate x from the first equation. Solve for y which should, when solved (shown below), equal -5. Sub -5 back into either equation in the place of y t...
Iodine is a larger molecule, with more electrons, than chlorine. Therefore Iodine has stronger intermolecular forces than chlorine, which require more energy to break. This results in Iodine having a high...
exchange surfaces require a small diffusion distance enabling the fast exchange of compounds, good blood supply to maintain a concentration gradient. This allows for the most efficient diffusion
A covalent bond is a shared pair of electrons between 2 atoms.An example of a simple covalent molecule is CH4 (methane)
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