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Intermolecular forces are forces between separate molecules that hold the substance together. There are three main types; dipole-dipole interactions, hydrogen bonding and London dispersion forces, which a...

You start off with a formula in the form y = x² + bx. The first step is to add the square of half of the coefficient of x: (b/2)². This allows us to rearrange the formula into (x+ b/...

C₄H₁₀ + 6.5O₂ -> 4CO₂ + 5H₂O
If there is not enough oxygen, incomplete combustion will occur, so CO (carbon monoxide) will be formed, carbon ...

Although Neville Chamberlain is often blamed for being solely responsible for allowing Hitler to mobilise a Germany that was spoiling for war, the extent to which this is the main reason is limited. A Eur...

In Russian, verbal aspects are used to indicate the state of the action that you are talking about. In English we can distinguish between ongoing actions (e.g. “I have been reading a book”) and completed ...