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"The war crisis was the primary factor behind the emergence of government by Terror in 1793" How far do you agree?

This is a classic A level History question from one of the most examined(and most-difficult) parts of the French Revolution course. The important thing here is not to panic, and to break it down. Step 1 woul...
BH
Answered by Ben H. • History tutor
6553 Views

Describe how oxygen in the air reaches capillaries surrounding alveoli in the lungs?

The air that is breathed in passes down the trachea, the bronchi and bronchioles before reaching the alveoli. Oxygen is able to diffuse across the walls of the alveoli and the pulmonary capillaries into the ...
JW
Answered by Jennifer W. • Biology tutor
21307 Views

In the isosceles triangle ABC, AB=AC and angle B=(3x +32)degrees and angle C=(87-2X)degrees

First of all i would get the student to draw a diagram with the labelled sides and angles. Then i would test their knowledge of shapes and angles by asking them what the angles in a triangle add up to. Once ...
CB
Answered by Catherine B. • Maths tutor
12046 Views

In an office there are twice as many females as males. 1/4 of females wear glasses. 3/8 of males wear glasses. 84 people in the office wear glasses. What is the total number of people in the office?

Let's figure out what information we have and let's translate it into mathematical terms. Let f = number of females in the office m =number of males in the office "Twice as many females than males"...
TG
Answered by Thomas G. • Maths tutor
9850 Views

How can you work out, using the changes in oxidation numbers, which compound out of KCl, KBr and KI has the greatest reducing power?

We can work this out by observing the changes in oxidation state of sulphur in concentrated sulphuric acid (H 2 SO 4 ) when this compound reacts with KCl, KBr and KI individually. As suggested by its name, a...
SP
Answered by Sarah P. • Chemistry tutor
6875 Views