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Chemistry
GCSE

What is made when an acid is added to an alkali?

Acid + Alkali --> Salt + Water Hydrochloric Acid + Sodium Hydroxide --> Sodium Chloride + Water

VJ
2763 Views

Write the sponification reaction

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

CV
Answered by Clara V. • Chemistry tutor
2827 Views

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

CV
Answered by Clara V. • Chemistry tutor
17040 Views

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

HW
Answered by Holly W. • Chemistry tutor
6845 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...

GN
Answered by George N. • Chemistry tutor
2366 Views

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