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Please can you help me to understand the concept of price elasticity of demand (PED)?

What is the relationship between price and quantity demanded for a certain good X? PED can help us solve this question. The price elasticity of demand is calculated as the "percentage change in quantity...
Answered by • Economics tutor
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Describe and explain how a constant rate of fission is maintained in a reactor by considering what events or sequence of events may happen to the released neutrons. (6 marks)

In one fission reaction 2 or 3 neutrons are released at once, to ensure the effectiveness and the safety of the reaction this must be controlled. A neutron is first slowed down by a moderator, which is usual...
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Answered by Laura L. • Physics tutor
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Solve for x: logx(25) = log5(x)

logx(25) = log5(x)2logx(5) = log5(x)2/log5(x) = log5(x)2 = (log5(x))^2sqrt(2) = log5(x)x = 5^sqrt(2)
Answered by • Maths tutor
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Critically discuss Milgram's (1963) obedience experiment

Milgram (1963) conducted a labatory experiment, using an independent methods design, which aimed to investigate whether ordinary people would obey authority when instructed to administer an electirc shock to...
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Answered by Skye W. • Psychology tutor
4264 Views

An iron-alloy nail (2.41g) is dissolved in 100cm3 acid. 10cm3 portions of this solution are titrated with KMnO4 (0.02M) and 9.80cm3 of KMnO4 was needed to react with iron solution. What % of iron by mass is in the nail?

This is a common example of a titration calculation which can be broken down into several key steps:1) Write a balanced equation for the redox reaction:MnO4 - + 8H+ + 5Fe2+ --> Mn2+ + 4H2O + 5Fe3+(This eq...
AC
Answered by Amy C. • Chemistry tutor
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