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What is a "hemiola"?

A hemiola is a feature of music that originated in the Baroque period. It comes about in music in triple time when the composer subverts the metre by placing the stresses of the music in different places, sp...
JC
Answered by Jamie C. • Music tutor
5539 Views

Explain why chlorine is more reactive than iodine.

Both Cl and I in Group 7. Both have 7 electrons in its outer shell and require 1 electron to obtain a full shell. Reactivity of these halogens correspond to its ability to gain an electron. Cl can gain an el...
MR
53610 Views

How should I approach an essay question in a writing exam?

Many people worry about these type of exam questions however, if you follow a set way of approaching them, then they are much less daunting that you might think. Here are my top tips:1) Make you fully unders...
TB
Answered by Thomas B. • Spanish tutor
2113 Views

How is the sperm cell adapted to its role?

The role of the sperm cell is to fertilise the egg.- It has a streamlined shape with a tail which enables it to swim towards the egg.- It has a head with a nucleus, which contains the genetic material.- It h...
IS
Answered by Iona S. • Biology tutor
14434 Views

Find the turning point of the curve whose equation is y = (x-3)^2 + 6.

The turning point can be found by using the concept of transformations. Firstly, it is important to form a relation between the values of a and b in an equation of the following form y = (x+a)^2 + b and the ...
SV
Answered by Sai V. • Maths tutor
5016 Views