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This formation of a major product and minor product only occurs if the double bond is unsymmetrical (when the carbon atoms involved in the double bond are bonded to different groups), for example in buten...

A) 15a - 2
B) 8a - 2
C)9a
D)15a - 6
D is correct - multiply each term in the bracket by what is outside the bracket.
The other 3 answers show different mistakes, identifying the d...

Bring the x terms onto one side of the equation, and the numbers onto the other, rearranging to get 4x=8divide both sides by 4 to get x=2check answer by subbing x=2 into the equation, such that -11=-11

Simultaneous equations are two equations with two unknowns. And they can be solved by either elimination or substitution method.For this example, we will use the elimination method. First of all to make i...

Within English Literature, most exam boards are looking for evidence that is thoughtful, relevant, and embedded within the sentence. Keeping this in mind, at A-level an ideal length for quotes used to bac...