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Explain what oxidation and reduction means in terms of electrons.

The oxidation of a species, in terms of electrons, is when the species loses electrons. The reduction of a species, on another hand, is when the species gains electrons in a reaction.
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Answered by Ishaan A. • Chemistry tutor
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State the conditions under which a binomial distribution can be approximated as a normal distribution, and state how the parameters needed would be calculated.

This is a two - part question. The first part is stating the necessary conditions, of which there are two: the number of trials must be large (more than 50), and the probability of success or failure must be...
Answered by • Maths tutor
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A tank contains 500L of salty water. Pure water is pumped in at a rate of 10 L/sec, and the the mixture is pumped out at a rate of 15L/ sec. If the concentration of salt is 5g/L initially, form an equation of amount of salt, s, at t seconds.

This is a word problem with the task of forming a first order differential equation (or DE), and involves two major aspects that need to be worked out: the volume of water in the tank at any given point, and...
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Explore the significance of the emptiness of modern life in this extract

Within this extract, the emptiness of modern life is characterised as life without purpose or meaning; namely a spiritual emptiness resulting from being engulfed by the pressures of societal suburban expecta...
Answered by • English Literature tutor
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Describe an IDE and its features in programming. (3 Marks)

IDE = Integreated Development EnvironmentAutocompletion of code, e.g finishing statementsBracket matchingTranslator , would also accept compiles/interprets codeDebug mode, e.g could step through codeLibrarie...
Answered by • Computing tutor
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