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What factors affect the rate of a reaction?

i) Concentration of reactants, or pressure for gases-  As there are more particles in a certain volume, they collide more often so there is a greater chance of successful collisions per unit timeii) Press...

AB
2656 Views

How should I revise?

First of all it is important to have clear and useful notes to revise from.

Keep your school notes organised and you can write your own notes while looking back over these online sessions...

SB
Answered by Sarah B. Biology tutor
3507 Views

What is negative feedback and what is positive feedback? Give an example for each of where it is important in regulation?

Negative feedback: occurs where the feedback causes the corrective measures to be "switched off", and in doing so returns the system to its original level.

Exam...

SB
Answered by Sarah B. Biology tutor
12724 Views

(Briefly) describe the four phases of aerobic respiration?

Glycolysis: Takes place in the cytoplasm and involves the oxidation of a 6-carbon glucose molecule to two 3-carbon pyruvate molecules with a net gain of ATP and reduced NAD (2 molecule...

SB
Answered by Sarah B. Biology tutor
9050 Views

Integrate x*ln(x)

This example provides us with a better understanding of how "Integration by parts" works. Building an extensive knowledge of Integral calculus requires a lot of work, but once the basics are ...

MM
Answered by Maximilian M. Maths tutor
6940 Views

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