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Chemistry
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How does the structure and bonding of alkanes differ to that of alkenes?

In alkanes, such as propane, the carbon atoms are sp3 hybridised, meaning that each carbon atom has 4 sp3 molecular orbitals associated with it available for covalent bonding. These ...

EG
Answered by Edward G. Chemistry tutor
10003 Views

State and explain the trend in melting points of diamond, iodine and hydrogen fluoride.

Diamond is covalently bonded and has a giant covalent structure. Covalent bonds require lots of energy to break as they are strong so diamond has the hig...

CF
Answered by Ceri F. Chemistry tutor
19633 Views

What effect will increased temperature have on an equilibrium with a forward reaction which is exothermic?

Increased temperature will favour the backward (endothermic reaction.) Any change imposed on the system will be counteracted by a response which reverses the change, i.e. shift the equilibrium in the dire...

GI
2100 Views

How does one test for halide ions?

Add to the unknown solution dilute nitric acid, then add silver nitrate solution. If Chloride, bromide or iodide ions are present then a white, cream and yellow precipitate will form respectively of silve...

GI
3478 Views

Describe one method of producing oxygen gas.

Decomposition of Hydorgen peroxide solution, H2O2, using Manganese (IV) oxide as a catalyst. Effervescence is observed as the oxygen gas is evolved and the gas can be collected by di...

GI
2248 Views

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