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How do perturbations to a system affect the equilibrium position of a reaction?

If a perturbation is applied to a system in dynamic equilbirium, the position of equilbirium will shift to favour the reaction which minimises the effect of the perturbation. If the forward reaction is exoth...
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Answered by Gwyndaf O. • Chemistry tutor
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can you show me how to solve simultaneous equations?

(Depending on what the pupil wants to get out of this session and their ability I will explain the background of simultaneous equations and draw a graph of two lines and sho that their intersection is the po...
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Answered by Ryan A. • Maths tutor
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What are the differences between それ and あれ, そこ and あそこ?

それ and あれ both mean "that" . それ indicates closeness of the thing to the person you are talking to, while あれ suggests that the thing is not close to either of you. そこ and あそこ mean "over there&q...
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Answered by Hannah B. • Japanese tutor
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How do you correctly use particles が and は as well as に and で in Japanese?

は identifies the topic of the sentence. が identifies the subject of the sentence. Example: 私 は 緑色 が 好きです。 (I like the colour green). In this case, は identifies the topic of the sentence (myself - 私) and が id...
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Answered by Hannah B. • Japanese tutor
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Describe how the body responds when a decrease in core body temperature is detected. (6 marks)

When the core body temperature falls below the optimum, vasoconstriction occurs meaning blood flow to the vessels supplying the skin is reduced. This is beneficial as it reduces lost energy. The body also re...
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Answered by Amy W. • Biology tutor
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