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Chemistry
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How can an explosion be explained by the different ways molecules are packed together in solids, liquids and gases?

a) Gases tend to occupy a much larger volume than solids and liquids, since intermolecular forces are much weaker. b) Explosives are very unstable molecules: in this cont...

RS
2335 Views

explain why there is a decrease in first ionisation energy between elements phosphorus and sulfur

The electrons are packed in singly occupied orbitals in the 3p subshell in phosphorus, however in sulfur, the 4th electron is placed into an orbital that already has an electron. Because electrons are neg...

SS
Answered by Sagar S. Chemistry tutor
8823 Views

explain why barium sulfate is used in barium meals despite being toxic

barium sulfate is insoluble

SS
Answered by Sagar S. Chemistry tutor
4553 Views

What is the difference between moles and molar?

Lets start with what a concentration is. Concentration is the amount of something in a volume. For example, 1 gram of sugar in one litre of water is 1 gram per litre. This can be written as 1g/L (the divi...

BR
Answered by Ben R. Chemistry tutor
50250 Views

What is the difference between an ionic lattice and a metallic lattice?

Many elements readily form ions because their electron configurations are more stable if electrons are added or removed, usually in order to ensure that the outermost shell is a full octet. An ionic compo...

AL
Answered by Adam L. Chemistry tutor
25076 Views

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