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Chemistry

A Level

What product is formed upon addition of dimethylamine to ethanoyl chloride? Provide a curly-arrow mechanism for the formation of this product.

See whiteboard for mechanism and product formed (shown in skeletal formula).

Answered by Patrick T. • Chemistry tutor

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Phosphorus(III) chloride molecules are pyramidal with a bond angle less than 109.5°. Explain why a phosphorus(III) chloride molecule has this shape and bond angle.

Phosphorous (III) Chloride consists of one phosphorous atom covalently linked to 3 individual chlorine atoms. Phosphorous is found in group 5 of the periodic table, hence it has 5 outer shell electrons, i...

Answered by Tutor171831 D. • Chemistry tutor

8091 Views

How are London forces (Van Der Waals) formed?

This is the weakest intermolecular force. It is formed by the uneven distribution of electrons in a molecule which induces a dipole in the molecule (meaning a delta positive and delta negative charge form...

Answered by Sonia H. • Chemistry tutor

2713 Views

A sample of strontium has a relative atomic mass of 87.7 and consists of three isotopes, 86Sr, 87Sr and 88Sr. In this sample, the ratio of abundances of the isotopes 86Sr: 87Sr is 1:1. Calculate the percentage abundance of the 88Sr isotope in this sample

Q. A sample of strontium has a relative atomic mass of 87.7 and consists of three isotopes, ⁸⁶Sr, ⁸⁷Sr and ⁸⁸Sr. In this sample, the ratio of abundances o...

Answered by Mohammed Burhan A. • Chemistry tutor

17396 Views