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Chemistry
GCSE

Balance the equation and write the products of the following reaction for complete combustion: CH4 + O2 ---> _ + _

Student should know complete combustion produces COand H2O Once products are known, equation can be balanced as:  CH4 + 2O2 ---> CO2 + 2H2<...

Answered by Adam R. Chemistry tutor
2284 Views

Describe how ethanol can be produced from ethene

Ethanol can be produced by hydrating ethene, through reacting it with steam under the influence of a catalyst e.g. phosphoric acid.

Answered by Amy A. Chemistry tutor
2845 Views

Explain why an atom has no overall charge.

An atom is comprised of protons, neutrons, and electrons. Protons have positive charge and the number of protons is dictated by the proton number, which is the same as the number of electrons, which have ...

Answered by James C. Chemistry tutor
17547 Views

What does reversible mean?

Reversible is a term used for certain reactions that never reach a final stage. So imagine we have A and B reacting together to form C, and we say that this reaction is reversible. So at a point in time, ...

Answered by Antonis T. Chemistry tutor
2162 Views

5.95g of potassium bromide was dissolved in 400cm3 of water. 1) calculate its molarity, 2)its concentration in g/dm3.

  1. 0.125 M 2) 14.875 g/dm3
Answered by Natalie F. Chemistry tutor
5247 Views

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