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Chemistry
GCSE

Describe what happens when 2 atoms of potassium react with 1 atom of sulphur? Give the answer in terms of electron transfer.

The electrons are transferred from potassium to sulphur, in this reaction, potassium is being oxidised and sulphur is being reduced. Two potassium atoms each lose one electron forming K+ ions. Sulphur gai...

Answered by Thomas T. Chemistry tutor
41981 Views

describe advantages and disadvantages of using hydrogen instead of fossil fuels

advantages: . combustion only leads to water production, no pollutants . no carbon dioxide, so no greenhouse gases . no sulfur dioxide so no acid rain . releases more energy so more efficent . renewable d...

Answered by William T. Chemistry tutor
3681 Views

How do you name this hydrocarbon?

So to mention anything about hydrocarbons, you first have to find the longest chain of carbons in the molecule! It doesn't have to be straight - it can be bent, or turn in a circle or anything like that! ...

Answered by Scott M. Chemistry tutor
3265 Views

NaOH + HCl --> ____ + ___

NaOH + HCl --> NaCl + H2O

This is a typical acid-base reaction. The general formula for these reactions are Acid + Base --> Salt + Water. The metal in the base and the non-metal in the acid r...

Answered by Hannah R. Chemistry tutor
14249 Views

Which are the principles and application of IR spectroscopy

IR spectroscopy is a technique that can be employed for both quantitative and qualitative analysis. It is based upon the interaction between electromagnetic waves and compounds. However while the UV waves...

Answered by Benedetta M. Chemistry tutor
2001 Views

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