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Chemistry
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Suggest why the concentration of sodium hydroxide in a solution slowly decreases when left open to air

NaOH reacts with carbon dioxide in open air

AK
Answered by Adam K. Chemistry tutor
5248 Views

Form the equation for the complete burning of C3H8

Firstly, note that the reaction is complete burning. This means there is no carbon monoxide produce, only carbon dioxide.Secondly, we should know that all simple combusti...

ER
Answered by Edward R. Chemistry tutor
2615 Views

Explain why graphite conducts electricity.

Each carbon atom forms 3 (covalent) bonds with other carbon atoms. One electron is left to be free, or as we say de-localised, and therefore can move around freely. Therefore an electrical potential can b...

LS
Answered by Liam S. Chemistry tutor
2281 Views

Why dose sodium oxide have a high melting point?

Sodium oxide has a formula of Na2O. Since sodium is a metal and oxygen is a non metal, sodium oxide is an ionic species. Sodium will lose an electron to form a cation and oxygen will gain 2 ele...

Answered by Chemistry tutor
30555 Views

Describe and explain the properties of graphene

Graphene has strong covalent bonds between the carbon molecules giving graphene properties such as a high melting point and making it very strong.Due to the delocalised electrons that are free to move acr...

HC
Answered by Harry C. Chemistry tutor
4867 Views

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