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Chemistry
All levels

What is the difference between an ionic and covalent bond?

Ionic: Metal and non Metal bond fomred , Metal DONATES an electron. electrostatic attraction between oppositely charged ions in a chemical compound Covalent: Bond between two non metals (similar electrone...

MA
Answered by Maria A. Chemistry tutor
6286 Views

Why does ice float on water? Use the structure of different states of matter to support your answer.

In a liquid, the particles are very close together, but can move around each other. In a solid, the particles are packed together. Depending on the substance, the solid particles can either be very well-o...

AB
Answered by Akash B. Chemistry tutor
9002 Views

Predict the relative boiling points of propanal, butane and prop-2-en-1-ol from the highest to the lowest boiling point

In prop-2-en-1-ol, the strongest intermolecular forces acting between the molecules are hydrogen bonds. In propanal, the strongest intermolecular forces acting between molecules would be permanent dipole-...

RK
Answered by Rajan K. Chemistry tutor
33884 Views

Describe the effects of changing the temperature on a reaction using Le Chatelier's princriple

Temperature: Exothermic reaction= energy given out to surroundings. Endothermic reaction= energy taken in from surroundings.

If say a reaction runs at 300 degrees and we increase the temperature to...

BV
2381 Views

Unsaturated fats change bromine water from orange to colourless. How?

Unsaturated fats usually have a C=C double bond, e.g. vegetable oil. So, it's 'unstable' because of the high concentration of negative charge (electrons). Bromine (B2) is not polarised. However, as it app...

AC
Answered by Abi C. Chemistry tutor
9548 Views

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