Top answers

Describe the kinetic model composition of a solid

Tightly packed particles vibrating about a fixed point.
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Answered by Cam D. • Physics tutor
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What is 17 multiplied by 120?

Using the grid method, we know this is equal to (10 100) + (10 20) + (7 100) + (7 20) = 1000+200+700+140 = 2040
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Answered by Cam D. • Maths tutor
5093 Views

Explain what is meant by dynamic equilibrium. (2)

A reversible reaction where the forward and backward reactions occur at the same rate.
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Answered by Sam B. • Chemistry tutor
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Explain how long-shore drift occurs and changes the shape of the landscape.

Longshore drift (LSD) is caused by a prevailing wind which is at an angle to the beach. This causes waves to rise up the beach at an angle, and fall down the beach in a straight line, due to gravity. Each wa...
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Answered by Sam B. • Geography tutor
18124 Views

The passé composé with 'avoir' - when should you use it and how do you form it?

The passé composé in French (perfect tense) is a type of past tense, which is used to refer to completed actions in the past. For example, in English: He played in a football match and his team won . They as...
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Answered by Madeleine F. • French tutor
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