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Chemistry
A Level

What is a transition metal?

A transition metal is an element that forms one or more stable ions with partially filled d-orbitals

LH
Answered by Laura H. Chemistry tutor
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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 ...

Answered by 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.

  1. 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 thisV = 1000 cm3n <-- can be calculate...
NB
Answered by Natalie B. Chemistry tutor
2208 Views

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.

MP
Answered by Meg P. Chemistry tutor
7612 Views

Describe a 2 step synthesis to form pentan-1-ol from pentane.


Lesson on organic synthesis ( Unit 4 OCR A )Step 1/ Slide 1: Teach (unless told that knowledge is known, tips and pointers still can be given). Step 2/ Slide 2: Worked example (if necessary)....

Answered by Chemistry tutor
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