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Explain Optical Isomerism

Optical Isomerism is a type of stereoisomer. The molecule has a chiral centre which is where the are four different atoms attached to the central atom. This means that they become mirror images of each other...
Answered by • Chemistry tutor
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Why can metals conduct electricity?

Because metal compounds contain delocalised electrons that are free to move about the ionic lattice that forms the metal, carrying charge.
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Answered by Aoife M. • Chemistry tutor
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A 1000 cm3 container of ammonia (NH3) has a mass of 20.7g, it is stored at room temperature (298 K). When empty the container has a mass of 20.0 g, calculate the pressure inside the container in kPa to an appropriate number of significant figures.

Using PV = nRT, make a note of the information you have, what you can calculate and what you need to find. P <-- need to find this V = 1000 cm 3 n <-- can be calculated from mass = mr X mol since we kn...
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Answered by Natalie B. • Chemistry tutor
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In what circumstances can an ionic compound conduct electricity? How?

An ionic compound in its molten or liquid form is able to conduct electricity due to the free movement of conducting metal ions that can carry charge
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Answered by Jalini K. • Chemistry tutor
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Give the IUPAC name of CH3CH2CH2CH2CH(OH)CN

First count the longest chain of carbons (6), therefore hexane.OH group is on the 2nd carbon, therefore 2-hydroxy.CN is a nitrile group. Put together: 2-hydroxyhexanenitrile.
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Answered by Meg P. • Chemistry tutor
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