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Describe how propenal, propanal and propanone can be distinguished from one another by simple chemical tests.

Propenal can be distinguished by adding bromine water, as it will go from a orange/brown solution to a colourless solution due to electrophilic addition. Propanal can be distingiushed from propanone by us...

NA
Answered by Nathan A. Chemistry tutor
9379 Views

How to differentiate y = xcos(x)

You would first of all establish which differentiation rule is required, for this question it would be useful to use the product rule splitting xcos(x) into x multiplied by cos(x). We can label u = x and ...

SC
Answered by Sophie C. Maths tutor
6078 Views

Why was there a détente between the United States and Soviet Union in the 1970’s?

One of the key reasons as to why the United States sought détente, or an easing of relations, with the Soviet Union in the 1970’s was the internal domestic issues that arose out of the war in Vietnam. Sin...

AC
Answered by Asher C. History tutor
2403 Views

Describe and explain how fish are adapted for gas exchange.

Fish gills are made up of thin plates called gill filaments, which are covered in structures called lamallae. Both the gill filaments and lamellae provide a...

NF
Answered by Natalie F. Biology tutor
21101 Views

Can you explain Anselm's ontological argument?

Firstly, its named after Anselm of Canterbury and is called an ontological argument because it is intended to demonstrate the existence of something; namely God in this case. Formalised the argument runs...

Answered by Philosophy tutor
1910 Views

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