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what is the difference between conduction and convection?

Whilst both are transfers of heat energy- conduction happens best in solids and convection best in fluids. Conduction occurs as atoms gain energy from the heat source and start to vibrate. In conduction part...
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Answered by Molly P. • Science tutor
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What is integration?

Integration can be viewed in many ways. The most common way to interpret an integral is to take the area under the curve you would like to integrate. For example Draw y=x, limit between 0 and 1, shade in the...
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Answered by Mikhail S. • Maths tutor
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Describe the trend in boiling point of the halogens.

The boiling point of the halogens increases as you go down the group. The halogens exist as diatomic molecules, with both atoms sharing an electron to completely fill the outer shell. The increase in boiling...
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Answered by Lucy W. • Chemistry tutor
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The price of tea in the UK increased from £7.20 per kilo to £8.48 per kilo. Over the same period the quantity of tea purchased fell from 97 million kilos to 76 million kilos. Calculate the price elasticity of demand for tea.

Price elasticity of demand = change in demand / change in price change in price = 7.20 --> 8.48 = 17.78% increasechange in demand = 97 million --> 76 million kilos = 21.6% decrease therefore PED = -21....
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Answered by William H. • Economics tutor
3192 Views

What is the difference between catabolic and anabolic reactions? Give an example of a catabolic reaction you have studied.

In biology catabolic reactions are biochemical reactions during which an organic molecule is broken down. This process is usually involved in the production of energy. In contrast, anabolic reactions are bio...
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Answered by Gabriele Z. • Biology tutor
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