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Chemistry

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4.00 g metal carbonate, MCO3 reacts with acid to liberate a gas that occupies 0.5878 dm3 at 25˚C and 2.0 x 105 Pa. Identify the group 2 metal, M. Info: R = 8.314 J K-1 mol-1

First it is important to recognise that this is an ideal gas equation question – the exam boards love these so try to get used to spotting if you have the necessary quantities. This is a multi-step proble...

Answered by Isabel D. • Chemistry tutor

4531 Views

Liquid ammonia (NH3) and water (H2O) both show hydrogen bonding, describe what a hydrogen bond is and what it is conferred by

A hydrogen bond forms between the positive dipole of one molecule and the negative dipole of another molecule. They can be represented on a diagram with a dashed line perpendicular (at 90˚) to the bond an...

Answered by Ben H. • Chemistry tutor

16097 Views

Explain how CH3CH2CHO can react with a Grignard reagent to produce CH3CH2CH(OH)CH2CH3. State the reagents and give the mechanism.

Use the Grignard reagent CH₃CH₂MgBr. CH₃CH₂CHO + CH₃CH₂MgBr ---> CH₃CH₂CH(OH)CH₂CH₃step on...

Answered by Jenny C. • Chemistry tutor

7534 Views

explain what an enantiomer is

an enantiomer is two molecules that are mirror images of each other, the best way to visualise it is to draw the molecule in a tetrahedral shape around the central carbon atom, then draw a line down the p...

Answered by Max T. • Chemistry tutor

1984 Views

What is the difference between ionic and metallic bonding?

Ionic compounds are made up of charged atomic or molecular ions, the attraction between the oppositely charged ions holds the compound together. They don't conduct electricity, are soluble in water.

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Answered by Boglarka B. • Chemistry tutor

9788 Views