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What is the difference between primary socialisation and secondary socialisation? (4 marks)

Primary socialisation is the process through which a child learns the norms, values, and appropriate behaviours for an individual within wider society. This usually takes place within the family, and can inc...
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Answered by Georgia C. • Sociology tutor
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Express 12.5% as a fraction.

To make a percentage into a fraction you divide it by 100. This means 12.5% is 12.5/100. However, when giving fractions as an answer it needs to be done in the simplest form. To do this you need to find the ...
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Answered by Thanu G. • Maths tutor
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Differentiate: tan(2x) cos(x)

Explain the product rule : d/dx ( f(x) . g(x) ) = f'(x).g(x) = g'(x) . f (x) 2. Briefly run through trigonometric derivatives .* cos (x) differentiates to: -sin(x)* tan (x) differentiates to: sec^2 (x) 3. Br...
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Answered by Shreyasi D. • Maths tutor
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Bethan prepared some ethoxyethane (line 6) by reacting ethanol with concentrated sulfuric acid. She used 69g of ethanol (Mr=46) and obtained a 45% yield of ethoxyethane (Mr=74). Calculate the mass of ethoxyethane obtained.

Equation from line 6 is: 2 (ethanol) -------> 1 (ethoxyethane) 2. The ratio of reaction is 2:1. This is the ratio of moles not mass , i.e., 2 moles of ethanol give 1 mole of ethoxyethane. 3. We need to kn...
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Give the name of the monomer used to make poly(chloroethene). And describe how monomer molecules form polymer molecules.

Briefly explain the etymology of hydrocarbon names and how polymers are named. The answer is therfore, chloroethene. 2. Draw a structure for chloroethene and show in diagram how chloroethene polymerises. 3. ...
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