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Explain how a fish is adapted for gas exchange?

A fish had gills, made up of gill filaments containing lamellae, which provide a very large surface area for oxygen to diffuse out of the water as it moves over them. The blood vessels ar...

Answered by Biology tutor
37638 Views

How do anti-bumping granules work?

Anti-bumping granules prevent explosive boiling, as they provide a large surface area for bubbles to form on.

Answered by Chemistry tutor
26910 Views

NaOH has a high melting point and conducts electricity in solution. H2O has a low melting point and does not conduct electricity. Explain, using the structure of each, why this is the case.

NaOH is an ionic compound with strong electrostatic attraction between the oppositely charged ions. This means the melting point is high, as the bonds ne...

ST
Answered by Sophie T. Chemistry tutor
7261 Views

I've heard that interviewers ask strange, out-of-the-blue questions to catch students off-guard. How do I circumvent this?

Ultimately, all tutors are trying to do in interviews is determine how well you would fit in in the Oxbridge teaching environment - an environment that is designed to challenge you and push you to the lim...

DJ
1187 Views

Suggest why the concentration of sodium hydroxide in a solution slowly decreases when left open to air

NaOH reacts with carbon dioxide in open air

AK
Answered by Adam K. Chemistry tutor
4607 Views

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