Search over 10,000 free study notes

Here we use the ratios given to calculate the answer. First we sum add 7 and 4 to find total parts. 7 + 4 = 11. Then we divide 88 by 11. 88/11 = 8.This means we know that each part in the given ratio is 8...

It's important to take a few minutes to quickly plan your argument in response to a particular question. You do not want to waste too much writing time doing this, but it is crucial to have a rou...

...solid is a pure substance or a mixture.
Firstly, she would need to plot a graph of temperature against time. Temperature remains constant at the melting point. The graph will show whether the sol...

An enzyme is a protein that functions as a biological catalyst by speeding up chemical reactions and remaining unchanged by the reaction. The place on an enzyme where the molecule binds is called the acti...

slows neutrons/reduces KE of neutrons so that neutrons can be absorbed by the U-235 nucleus to cause fission to release kinetic energy. (nuclear reactor and energy)