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Outline the Behavioural approach to explaining phobias. (6)

The Behaviourist approach explains phobias as being a result of conditioning in relation to a phobic stimulus. According to Behaviourists such as Pavlov, most stimuli are initially neutral (we are not biolog...
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Answered by Ella C. • Psychology tutor
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Prove by induction the sum of n consecutive positive integers is of the form n(n+1)/2.

As proof by induction goes we always have to show that it works for the base case, which in this case is the very first positive integer:1. So we show that the sum of the first number(s) is equal to one whic...
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If you have 20.82g of Lithium (Molar mass = 6.34gmol^-1), how many moles of Li is it?

number of moles = mass / molar massTherefore, n=20.82g/6.34gmol -1 =3moles
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Answered by Sam H. • Chemistry tutor
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Define enthalpy of neutralisation and state standard conditions:

Enthalpy of Neutralisation: the energy change a system experiences when one mole of water is formed from the neutralisation of an acid with an alkali under standard conditions.Standard conditions: 298K, 1atm...
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Answered by Sam H. • Chemistry tutor
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Increase 35 by 20%:

An increase by 20% is the same as multiplying by 1.2Therefore, 35 x 1.2 = 42
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Answered by Sam H. • Maths tutor
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