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Chemistry

GCSE

Write the sponification reaction

(Will show actual reaction written down and through webcam) Fatty acid + 3 base -> 3 soap + glycerine

Answered by Clara V. • Chemistry tutor

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Name or formulate these compounds: i)CH3CH2CH(CH3)COOH ii)CH3CH2COCH3 iii) 3-hydroxy-2-pentanone iv) 1-propanamine

i) 2-methylbutanoic acid ii) Butanone iii)CH3CH2CH(OH)COCH3 iv) CH3CH2CH2NH2

Answered by Clara V. • Chemistry tutor

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Why do simple covalent molecules have low boiling points even though they consist of strong covalent bonds?

Even though simple covalent molecules consist of strong covalent bonds, these bonds are NOT broken when the substance is heated. Upon heating, the forces between the simple molecules (known as intermolecu...

Answered by Natalie M. • Chemistry tutor

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What is the % yield if 12g of magnesium is dissolved in hydrochloric acid to produce 20g of magnesium chloride?

First we need to write the balanced equation for the reaction. In this case it is Mg + 2HCl -> MgCl₂ + H₂. Now we need to work out the maximum theoretical yield of MgCl₂

Answered by Holly W. • Chemistry tutor

6002 Views

With reference to valencies, describe and explain the differences in reaction as you go down group 1 of the periodic table for the reaction: metal + water -> Metal hydroxide + hydrogen.

As you descend the group, the reactions become more vigorous, more exothermic and have a higher rate of reaction. Lithium will just gently fizz and produce a gas, sodium will melt into a ball shape and fi...

Answered by George N. • Chemistry tutor

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