Search our library of homework questions

Top answers

All subjects

All levels

Explain trend in why the ionisation energies increase across the period

As we travel along the period the nuclear charge increases, this increases the grip the nuclei of the atom has on the electrons. As they are on the same period they experience almost the exactly the same ...

Answered by Patrick J. • Chemistry tutor

1746 Views

How do I differentiate?

If we have the curve y=x³+3x²-7x+5, to differentiate it we firstly multiply x by its power, and then reduce the power by one.Therefore x³ will differentiate to 3x²

Answered by William H. • Maths tutor

4234 Views

How do you solve the equation 3(6x + 2) = 10 + 4x?

Begin by expanding the brackets of the LHS:3(6x + 2) = 18x + 6 3 * 6x = 18 x and 3 *2 = 6The equation now reads:18x + 6 = 10 + 4xSubtract 4x from both sides14x + 6 = 10Subtract 6 from...

Answered by James T. • Maths tutor

2941 Views

Describe what happens at a synapse in the human body. (6 marks)

Synapses are the junctions between neurons. An electrical impulse travels down the first neuron and arrives at the presynaptic membrane. The presence of an electrical impulse causes chemicals called neuro...

Answered by Emma C. • Biology tutor

9521 Views

Can you explain the difference between structure and agency?

The debate between structure and agency is fundamental to sociological, anthropological and political theory. But it's also key to how we interpret everyday life. Essentially, it's all down to what shapes...

Answered by Timothy S. • Sociology tutor

30661 Views