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What is the mechanism for the nucleophilic substitution of a halogenoalkane?

A halogenoalkane is a saturated hydrocarbon chain with a halogen atom (F, Cl, Br or I) attached to a carbon instead of a hydrogen. Halogens have a greater electronegativity than carbon. This means they draw ...
CS
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How do you intergrate a function?

Increase the powers of all variables by one and then divide them by this number. For example, given 3x^3 + 5x^-0.5 - 8 , this would give 3/4x^4 + 10x^0.5 - 8x
DC
Answered by David C. • Maths tutor
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What is a mole?

A mole is the amount of a substance which contains as many particles (atoms, ions, molecules etc) of the substance as there are carbon atoms in 12g of 12 C - this is exactly 6.02 × 10 23 atoms. This formula ...
MN
Answered by Molly N. • Chemistry tutor
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What is the difference between classical and operant conditioning? Give an example of each.

Classical conditioning is the behavioural process through which the subject will exhibit a behaviour in response to a conditioned stimulus; the conditioned stimulus having previously become associated with a...
MN
Answered by Molly N. • Psychology tutor
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given that angles A and B are such that, sec^2A-tanA = 13 and sinBsec^2B=27cosBcosec^2B

First of all key elements required for this question is the knowledge or retrival of these equations: tan 2 + 1 =sec 2 A tan(A-B) = (tanA-tanB)/(1+tanAtanB) so for the first equation sec 2 A - tanA =13 we su...
JM
Answered by Joshua M. • Maths tutor
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