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Give the general formula for the alkane homologous series and explain their similarities

C n H 2n+2 Alkanes have similar chemical properties, have the same general formula and display a gradual change in melting and boiling points
AC
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Give the full ionic equation and net ionic reaction for Ba(NO3)2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaNO3 (aq)

The full ionic equation describes the components as individual ions, as this is how they exist in aqueous solution. Ba 2+ + 2 NO 3- + 2 Na + + SO 4 2- → BaSO 4 (s) + 2 Na + + 2 NO 3- To obtain the net ionic ...
AC
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Explain how the Kekulé model of benzene is contradicted by the hydrogenation enthalpies of ethene and benzene

The Kekulé model of benzene consists of a 6 membered ring with 3 double bonds. This would imply a hydrogenation enthalpy very similar to that of ethene, since double bonds react with hydrogen in a similar st...
LM
Answered by Lukas M. • Chemistry tutor
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Bluebells can reproduce sexually by producing seeds or asexually by producing bulbs. Name two advantages of sexual reproduction and two advantages of asexual reproduction.

We must start off by highlighting important parts of the question, ensuring that we understand the terms and what the question is asking from you. The key words in this question are reproduce sexually and as...
EA
Answered by Emily A. • Chemistry tutor
24863 Views

Explain what is in one molecule of Sodium sulphide (Na2SO4)

The Na2 tells us there are 2 sodium atoms present, The S tells us there is one Sulphur atom presentThe O4 tells us there are four oxygen atoms presentTherefore, each molecule of Sodium Sulphide contains, 2 s...
JM
Answered by Jamie M. • Chemistry tutor
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