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How can we calculate product yield using reactants and reaction stoichiometry?

If we know the chemistry for a reaction we only need to know quantities from one of our reactants to calculate a product yield. For instance, in a reaction to make hydrogen peroxide, we can calculate the mas...
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Answered by Joshua P. • Chemistry tutor
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Why don't Hydrocarbons and Water Molecules mix, and why might an emulsifier fix this?

Hydrocarbons are long chained, non-polar molecules of Carbon and Hydrogen. As the chain length increases the boiling point of oil increases and the intermolecular forces get stronger. At smaller chain length...
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Answered by Joshua P. • Chemistry tutor
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64% of an audience are female. Work out the ratio females : males Give your answer in its simplest form.

64% are female. This 64% out of 100%. 36% are male So the ratio is 64 : 36 or 32 : 18 Can then be simplified to 16 : 9
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Answered by Jordan Q. • Maths tutor
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Why is globalisation a contentious term?

The notion of globalisation, or increasing interconnectivity, is, broadly speaking, the idea that the international order has become more interdependent in a range of areas pertaining to economic, social, an...
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Use chain rule and implicit differentiation to find dy/dx for y^3 = 1 + 3*x^2, then show that they are equal

When using the Chain Rule, it is best to put our equal in a form where there are no operations performed on the subject. i.e. y = (1 + 3*x 2 ) 1/3 Then to help make it clear what we need to do, state the rul...
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Answered by Joshua P. • Maths tutor
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