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Describe how oxygen in the air reaches capillaries surrounding alveoli in the lungs?

The air that is breathed in passes down the trachea, the bronchi and bronchioles before reaching the alveoli. Oxygen is able to diffuse across the walls of the alveoli and the pulmonary capillaries into t...

JW
Answered by Jennifer W. Biology tutor
21004 Views

How can you work out, using the changes in oxidation numbers, which compound out of KCl, KBr and KI has the greatest reducing power?

We can work this out by observing the changes in oxidation state of sulphur in concentrated sulphuric acid (H2SO4) when this compound reacts with KCl, KBr and KI individually.
A...

SP
Answered by Sarah P. Chemistry tutor
6628 Views

What is the function of ATP and explain how is it suitable for its function

ATP is a molecule called adenosine triphosphate, used to provide energy for various reactions within the cell and hence sometimes called 'universal currency' of the cell. ATP molecule is made of adenine, ...

AK
Answered by Antonina K. Biology tutor
16442 Views

Find the differential of y(x)=(5x*Cos(3x))^2

Firstly I would state the substitution rule, letting 5xCos(3x)=w(x), and differentiating with respect to w(x). This gives y'(x)=2w'(x)(w(x)).I would then demonstrate the product rule stating ...

HL
Answered by Harry L. Maths tutor
3868 Views

Explain why fossil fuels might become exhausted.

A good first step to answering questions on specific issues or processes would be to give a clear definition of the subject, in this case, fossil fuels. If you cannot immediately think of...

CB
Answered by Ciaran B. Geography tutor
7421 Views

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