Top answers

What factors affect rate of reaction?

In order for a reaction to occur, particles must 1. COLLIDE with each other 2. with sufficient KINETIC ENERGY (energy greater than or equal to the ACTIVATION ENERGY). This is known as Collision Theory. There...
AH
Answered by Amy H. • Chemistry tutor
10067 Views

Is there an easy way to answer questions about oxidation and reduction?

YES! OILRIG stands for Oxidation is loss, Reduction is gain This means that when a chemical is OXIDISED it has LOST an electron and when a chemical is REDUCED it has GAINED an electron. An electron carries a...
HC
Answered by Hannah C. • Chemistry tutor
2510 Views

What is ionic bonding?

Ionic bonding by definition is the electrostatic forces of attraction between oppositely charged ions. What this means is, when metal atoms lose an electron to become a positively charged ion (Na+) and non-m...
YM
Answered by Yasmin M. • Chemistry tutor
4597 Views

How is crude oil separated into fractions?

Crude oil is composed of many hydrocarbons . The crude oil is heated to evaporate it and the vapour rises. There is a temperature gradient up the column (hotter at the bottom, colder at the top). The differe...
DD
Answered by Daisy D. • Chemistry tutor
3637 Views

How do I balance symbol equations?

The most important thing to remember about chemistry equations, whether these are word or symbol equations, is that you must always have the same amount of each species (element or molecule) on both sides of...
KJ
Answered by Kiani J. • Chemistry tutor
4117 Views