Search over 10,000 free study notes

2x + 14 = 18Whatever you do on one side, e.g. LHS, you do the same on the RHS.-14 from both sides 2x + 14 (-14) = 18 (-14)2x = 4To get x by itself you need to divide it by 2. so you divide LHS and RHS by ...

Ultrasound is not ionising as it is a longitudinal wave whilst X-rays are ionising as they are transverse waves and have very high frequency hence can 'knock' electrons out of their orbit. Doing this can ...

The way in which government was structured and organised under Lenin is indicative of more continuity than change, suggesting that he was in fact a 'Red Tsar'. When Lenin came to power in October 1917, he...

The subjunctive is used for a change of subject in a sentence eg. Quiero que tu no tengas frío The subjunctive is used with the conjunction 'para que'eg. Debes llevar una chaqueta para que no tengas fríoT...

1. Using PV = nRT, make a note of the information you have, what you can calculate and what you need to find. P <-- need to find thisV = 1000 cm³n <-- can be calculate...