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What is an optical isomerism?

Optical isomerism is a type of stereoisomerism which includes a chiral carbon. This means the pair of molecules have the same structural formula but the four different groups around the carbon atom are arran...
NK
Answered by Nadine K. • Chemistry tutor
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Sort the following substances MgO, Na, H2O, H2S, NaCl, in the order of increasing melting temperature.

This question deals with the properties of substances and how they relate to their internal structure. First, we of course need to understand what the property we are asked to evaluate means. Melting tempera...
MM
Answered by Marcin M. • Chemistry tutor
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What mass of carbon dioxide is produced from burning 100 grams of ethanol in oxygen according to this reaction: C2H5OH + 3 O2 --> 2 CO2 + 3 H2O

Firstly, make sure the equation is correctly balanced – which it is here; comparing right sight with left: Left=Right i.e.: 2 carbon atoms, 6 hydrogen a, 7 oxygen a Next make it clear what is your unknown, s...
PS
Answered by Paula S. • Chemistry tutor
70568 Views

How will the position of equilibrium shift for an endothermic reaction when heated?

The position of equilibrium will shift to the right, favouring the forward reaction, to oppose the increase in temperature. Endothermic reactions absorb heat and therefore if the endothermic reaction is more...
RF
Answered by Rowan F. • Chemistry tutor
10955 Views

Describe covalent bonding

Covalent bonding is the sharing of electrons between 2 or more non metals.
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Answered by Matthew S. • Chemistry tutor
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