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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)

Consumer surplus can be thought of as the feeling of getting a really good deal or a bargain. It happens when you would have been willing to pay an amount for something but the price was actually lower. W...