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Chemistry

GCSE

Balance the following equation: C3H8 + O2 ---> CO2 + H2O

There will be no need for state symbols.

First of all, to balance these equations, list the number of each atom, for both sides of the equation.

In this example, it would be:
...

Answered by Ganesh V. • Chemistry tutor

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By discussing the structure and bonding properties of chlorine and sodium chloride, explain why chlorine is a gas at room temperature but sodium chloride is a solid.

Within the chlorine molecule, there are covalent bonds present between each atom of chlorine. This results in the formation of simple molecules, meaning there are no bonds between molecules of chlorine. A...

Answered by Alex T. • Chemistry tutor

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What is Cracking and why is it carried out?

Cracking is the process of breaking large Hydrocarbon molecules into smaller ones.
This is carried out to refine fuels and increase the yeild in petrolium refining.

Answered by Anna G. • Chemistry tutor

10986 Views

If an element has an atomic mass of 19 and a proton number of 9, how many neutrons does it have and how many electrons does it have?

The atomic mass is made up of all the protons and neutrons (which together form the nucleus) which each have a mass of approx. 1g. Therefore if the mass of the element is 19g and it has 9 protons (proton ...

Answered by Jay T. • Chemistry tutor

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