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Start by determining dot product. a.b = 1x0 + 4x6 + 8*-3 = 0as a.b = |a||b|cos(theta)cos(theta) = 0therefore theta = 90 degTherefore vectors are perpendicular

Stereoisomers are molecules that have the same structural and molecular formula but a different arrangement in space. An example of a common group of stereoisomers is from molecules with a carbon to carbo...

There are many instances where we simply want to know what the value of one port, or some particular bits in the status register are. Masking all other bits will essentially isolate this bit, regardless o...

At A-Level, examiners want you to be able to use your quotation as a springboard for critical and contextual discussion. For this reason, an effective strategy when memorising quotations is to pair each o...

The delocalised ring in aromatic compounds (such as benzene) is very stable and therefore requires a very strong electrophile to be created before it will react. An example of this would be the formation ...