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Describe the factors which affect the rate of diffusion.

Ficks law outlines the factors that affect diffusion. Diffusion gradient is the difference in concentration of the molecule either side of the membrane, the greater the difference the faster the diffusion. M...
NS
Answered by Nick S. • Biology tutor
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Factorise x^(2)+5x+6

To factorise we must think what two numbers add up to 5 but times together to get 6. We know it is two numbers because it is x^(2). If it was x^(3) there could be 3 numbers, ect. We think what goes into 6: (...
TJ
Answered by Tanya J. • Maths tutor
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vous décrivez votre week-end à votre amie de collège

J'ai passé un très bon week-end. Vendredi soir après les cours je suis allée à l'anniversaire de Paul, mon ami d'enfance. On a beaucoup dansé, c'était génial. Samedi j'ai joué au tennis avec ma mère et ma so...
CA
Answered by Caroline A. • French tutor
5788 Views

Solve 5x + 3 = 45

5x + 3 = 455x + 3 - 3 = 45 - 3 (subtract 3 from both sides)5x = 42(5x)/5 = 42/ 5 (divide both sides by 5) x = 8.4 (can either be expressed as a decimal or as fraction)
CA
Answered by Caroline A. • Maths tutor
5162 Views

How do I answer the source section in my GCSE exam?

Approaching the source section of the GCSE paper can be tricky, it's important to spend at least 5 minutes reading the sources, the questions and all the information provided by the exam. Once you've read th...
BS
Answered by Ben S. • History tutor
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