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What is the structure of the human gas exchange system- how do we breathe in and out?

Named structures : trachea, bronchi, bronchioles, alveolinote: surface area increases as you go down levels, highest SA at alveoli
Breathing in : diaphragm contracts and exte...

AS
Answered by Ankita S. Biology tutor
2959 Views

What are the main differences between Classical Liberalism and Neo-Liberalism?

Classical liberalism unlike neo-liberalism is based more on the ideas of rights rather than economic prosperity. Classical liberalists focus on maximising individual freedom and on autonomy. Additionally,...

66039 Views

What is meant by 1st ionisation energy?

The energy required to remove an electron from 1 mole of gaseous atoms to form 1 mole of gaseous 1+ ions

TZ
Answered by Tiffany Z. Chemistry tutor
2139 Views

Why does phenol readily undergo electrophilic substitution but benzene does not without the aid of a catalyst?

Benzene's delocalised π system of electrons makes it not quite electron rich enough for the reaction to take place. The lone pair from the -OH group in phenol adds enough electron density into the ring so...

FB
3354 Views

y=2x+5, calculate x when y=11

So what we need to do is work out what x is when y is equal to 11.Firstly, we would rearrange the equation so that x is the subject and to do this we subtract 5 from both sides.Thisgives us y-5 =2x. Divid...

DA
Answered by Daniaal A. Maths tutor
4259 Views

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