Top answers

How does increasing the temperature increase the rate of a reaction?

In order for a reaction to take place molecules must collide with enough energy, which is known as the activation energy. Therefore when you heat a reaction mixture the heat energy is converted into the kine...
AC
Answered by Alicia C. • Chemistry tutor
12955 Views

Analyse the methods used by Hitler in his successful bid for power.

Hitler used a combination of methods to achieve power, and this essay is asking you to explore these. I would structure this essay based on three main methods: Hitler’s use of the past and ideology, his use ...
TR
Answered by Therese R. • History tutor
7941 Views

How far can WW1 be considered a turning point for bringing about a change to the role and status of women in the years 1850-1950?

The long term significance of the war helped women to gain employment opportunities when the Sex Disqualifications Act was passed in 1919 which gave rights to women to enter professions like jurors, magistra...
IK
Answered by Isha K. • History tutor
9558 Views

What is the cardiac cycle?

The cardiac cycle is the continual sequence of contraction and relaxation of the atria and ventricles to keep blood continually circulating around the body. First the atria contract decreasing their chamber ...
ER
Answered by Emma R. • Biology tutor
5692 Views

What is the difference in structure between arteries and veins?

Arteries carry blood away from the heart to the rest of the body and veins then take blood back to the heart. Because the heart directly pumps blood into the arteries by its forceful contractions, arteries c...
ER
Answered by Emma R. • Biology tutor
7764 Views