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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 equa...

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<...

Answered by Daisy R. • Chemistry tutor

1888 Views

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 fro...

Answered by • Geography tutor

6070 Views

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...

Answered by Sammy A. • Chemistry tutor

2623 Views

Outline how light intensity affects the rate of photosynthesis, with reference to the Calvin cycle and effects on the concentrations of GP, GALP and RuBP.

Light is needed to provide energy for the light dependent reactions of photosynthesis. A greater light intensity will provide more energy for these reactions to occur. At a low light intensity, the produc...

Answered by Sammy A. • Biology tutor

8724 Views