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What's the difference between the quotient rule and the product rule?

They are two rules that are used when differentiating a derivative that has a product with two functions or a term where the one function is divisble by another.For example:f(X) = xe^xorf(x) = (2+4x)/x^2 unf...
Answered by • Maths tutor
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If I have the equation of a curve, how do I find its stationary points?

A stationary point is where the gradient of a curve momentarily stops changing.Let's take the example that we want to find the stationary points of the curve y=2x^5 - 5x^2. Find the derivative of the equatio...
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Answered by Darshan P. • Maths tutor
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Describe how a buffer solution based on hydrochloric acid can act as a buffer. (5)

HCl ⇌ H++ Cl- (1) Added alkali: H + reacts with added alkali/OH - (1) Equilibrium shifts right forming Cl - or H + (1) Added acid: Cl - reacts with added acid/H + (1) Equilibrium shifts left forming HCl (1)
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Answered by Daisy R. • Chemistry tutor
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Outline the concept of eustatic and isostatic sea level change

Eustatic change refers to a global change in sea level due to an actual rise or fall in sea level. As global temperatures rise due to global warming more precipitation falls as rain and more ice melts from g...
Answered by • Geography tutor
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Explain what the rate-determining step in a reaction is with reference to activation energy.

The rate determining step is the slowest step in a multi-step reaction, and it is the step in the reaction with the highest activation energy. It is the step in the reaction which decides the overall rate of...
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Answered by Sammy A. • Chemistry tutor
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