Top answers

Why does fractional distillation work?

Fractional distillation relies on different fractions in the organic mixture having different boiling points. The difference in these boiling points could be caused by several things but the main determinant...
RJ
Answered by Rahul J. • Chemistry tutor
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Why is this reaction an Endothermic reaction?

bond making is exothermic, bond breaking is endothermic. It takes more energy to break the bonds than the energy released in making new bonds
JM
Answered by Jigi M. • Chemistry tutor
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Name the sub-atomical particles in the nucleus and their relative charges?

protons (+1) neutrons (0)
MB
Answered by Marie B. • Chemistry tutor
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Why is Chlorine a gas at room temperature but Sodium Chloride is a solid?

Chlorine is a gas at room temperature due to its structure. Chlorine is made up of two chlorine atoms, held together by covalent bonds, forming simple covalent molecules. Whilst the covalent bonds within the...
SV
Answered by Sophie V. • Chemistry tutor
41397 Views

Explain why sulfur dioxide has a low boiling point

The first thing to consider is the properties of sulfur dioxide. Sulfur dioxide is a simple molecule. It contains only three atoms which means it is small, and very strong covalent bonds connect these. Remem...
AM
Answered by Alex M. • Chemistry tutor
47322 Views