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Explain whether phosphine or ammonia has a higher boiling point


Background knowledge Boiling point reflects the strength of intermolecular forces. The more attracted molecules are to each other, the more energy is needed to separate them and tu...

JP
Answered by Jadwiga P. Chemistry tutor
34652 Views

Explain how ADH helps to maintain water homeostasis in humans.

ADH (antidiuretic hormone) is a hormone that targets the kidney. It triggers the insertion of aquaporins into the walls of the collecting duct.

When the water concentration in the body is too low (...

SP
Answered by Sophie P. Biology tutor
13007 Views

Explain the reasons why communication between cells is essential in the human body. Use examples to illustrate your answer.

Communication is a process that involves the transfer of a signal/information from one cell to another. The main reason this has arisen between cells comes down to the basic component that makes up a huma...

MY
Answered by Magnus Y. Biology tutor
1828 Views

How does the right angle triangle definition of sine, cosine and tangent relate to their graphs as a function of angle and to Euler's formula?

To answer this question we must understand the representation of the unit circle firstly in real coordinates and secondly in the complex plane. The unit circle is just the drawing of a circle of radius 1 ...

CD
Answered by Caroline D. Maths tutor
3302 Views

'The alliance system was the most important cause of the First World War'. Discuss.

Answering an essay question: three elmements: 1) deconstruct question, 2) anlysis, 3) facts 1) consider: type - Discuss, evaluate quotation, (in this case) consider given factor and compare relative signi...

CY
Answered by Conrad Y. History tutor
5170 Views

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