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How do you work out the limiting reagent in a reaction?

The limiting reagent is the chemical substance that isn't in excess in the reaction compared to the other components. The way to calculate which reagent limits the reaction and how it progresses is to calcul...
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Answered by Fiona S. • Chemistry tutor
1769 Views

15 machines work at the same rate. Together, the 15 machines can complete an order in 8 hours. 3 of the machines break down after working for 6 hours. The other machines carry on working until the order is complete. In total, how many hours does EACH

The total number of 'machine hours' needed to complete an order is (15x8) = 120 hoursThe total number of hours worked by the broken machines = (6x3) = 18 hoursTherefore the total number of machine hours need...
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Answered by Ethan R. • Maths tutor
6478 Views

f is a function such that f(x)=2/(3x-3) Find the inverse function and ff^-1

As demonstrated on whiteboard
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Answered by Kieran M. • Maths tutor
4110 Views

Express 4x/(x^2-9) - 2/(x+3) as a single fraction in its simplest form.

Please refer to the link below as I found it very difficult to demonstrate the answer and couldn't seem to access the whiteboard function.file:///C:/Users/exr854/OneDrive%20-%20University%20of%20Birmingham/A...
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Answered by Ethan R. • Maths tutor
3665 Views

Evaluate Bentham's act utilitarianism.

Bentham's act utilitarianism is a consequentialist, hedonistic ethical theory, which seeks to provide a means of determining which course of action is the most moral one available to an agent in a given situ...
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