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Which has a lower boiling point chlorine or bromine, and why?

Chlorine, as chlorine has fewer electrons shells than bromine. As a result, chlorine is smaller and has a smaller atomic radius . The difference in size, relates to boiling point of the molecule. This is bec...
MF
Answered by Megan F. • Chemistry tutor
75592 Views

How is a message transferred across a synapse?

A synapse is a junction between the end of one neuron (known as the pre-synaptic neuron ) and either another neuron (known as the post-synaptic neuron ) or another tissue such as muscle (such as at the neuro...
MB
Answered by Max B. • Biology tutor
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How do you add or subtract complex numbers?

A complex number has the form a+bi. We call a the 'real' bit (ie. the bit on a regular number line) and b is the 'imaginary' bit. To add or subtract complex numbers you just add the real bits of both togethe...
CB
Answered by Chloe B. • Maths tutor
6224 Views

What was Hobbes' perspective on power?

Hobbes focused on one of the most common understandings of power. In the book Leviathan he discussed that "society is the sum of individuals who carry and constitute power". Power, then, 'flows' fr...
DH
Answered by Dyi H. • Sociology tutor
7479 Views

Why is Kinetic Energy mv^2/2?

Whilst this proof is beyond the scope of A level physics, it is well within the scope of A level Maths as it relies solely on the chain rule.First let us note that F x = W where F is force, x is distance and...
VP
Answered by Vandan P. • Physics tutor
7757 Views