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Chemistry
GCSE

What will be the resulting molecule if carbon-14 underwent beta decay?

For beta decay, the atomic mass (top number) stays the same and the atomic number (bottom number) increases by one.This will give a nitrogen molecule and beta particle.

Answered by Caitlin W. Chemistry tutor
1258 Views

How would you preform the flame test to identify the presence of Sodium in a solution? (3Marks)

  1. Using a clean nichrome wire dip the loop into the solution 2) Hold the loop in the blue flame of a bunsen burner 3) Observe the colour. In this case it will be Yellow.
Answered by Tutor516653 D. Chemistry tutor
1525 Views

What is the difference between HDPE and LDPE polymers?

Both are types of plastics but they vary by density and structure.HDPE (high density polyethene) is made of many linear chains which are held together by intermolecular forces.LDPE (low density polyethene...

Answered by Margo S. Chemistry tutor
5292 Views

Describe the difference between bases and alkalis, and explain acid-alkali neutralisation reactions.

A base is a something that react with an acid to form water and a salt. An alkali is any base that is soluble in water. An acid in solution will form H+ ions as the acid splits. For example HCl in solutio...

Answered by Lydia G. Chemistry tutor
18225 Views

What are the differences and similarities between alkanes and alkenes?

Both alkanes and alkenes are hydrocarbons, meaning they are made up of hydrogen and carbon only. However, alkanes are saturated hydrocarbons consisting of single bonds only whereas alkenes are unsaturated...

Answered by Nancy H. Chemistry tutor
28571 Views

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