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Chemistry Form 4 Questions and Answers
0
votes
2
answers
Use the standard electrode potentials for elements A, B, C, D and F given below to answer the questions that follow.
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
reaction rates and reversible reactions
0
votes
2
answers
Aqueous copper (II) sulphate was electrolysed using the set up below.
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
electrochemistry
0
votes
4
answers
Give the condition and the reagent under the ethanol is converted to ethanoic acid
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
acids
bases and salts
condition and the reagent under the ethanol is converted to ethanoic acid
0
votes
6
answers
Give two reasons why wood and charcoal are chosen for domestic heating.
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
energy changes in chemical and physical processes
0
votes
3
answers
What is the function of acetylcholine?
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
organic chemistry
0
votes
1
answer
state why bauxite is first crushed and ground into smaller particles
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
metals: extraction properties and uses
0
votes
1
answer
what property make aluminium oxide and silicon iv oxide react with sodium hydroxide solution
answered
Aug 25
in
Chemistry Form 4
by
0799583XXX
metals: extraction properties and uses
0
votes
5
answers
State Hess’s law.
answered
Aug 24
in
Chemistry Form 4
by
0748094XXX
energy changes in chemical and physical processes
0
votes
2
answers
The diagram below shows an energy level diagram for the formation of magnesium chloride. Study it and answer the questions that follow.
answered
Jul 27
in
Chemistry Form 4
by
0701497XXX
energy changes in chemical and physical processes
0
votes
0
answers
you are provided with -2.0m sodium hydroxide solution labelled solution B- solution Containing 12.25g per litre of an mineral acid you're required to prepare a dilute solution of sodium hydroxide solution B. Determine the relative formula mass of the acid molar enthalpy change of reaction between acid C and sodium hydroxide solution B
asked
Jul 20
in
Chemistry Form 4
by
0731373XXX
acids
bases and salts
practical
0
votes
1
answer
A sample of polymer has a molecular mass of 63600. Calculate the number of monomers in the sample
answered
Jun 13
in
Chemistry Form 4
by
anony mous
organic chemistry
0
votes
1
answer
What is the formula of products of a mixture of Ethanol and Butanoic acid with few drops of sulphuric (vi) acid?
answered
Jun 13
in
Chemistry Form 4
by
anony mous
organic chemistry ii
0
votes
2
answers
Methane reacts with bromine as shown in the following equation. CH4(g) + Br2(g) → CH3Br(g) + HBr(g) Using the bond energies in the Table, calculate the enthalpy change, ΔH for the reaction.
answered
May 1
in
Chemistry Form 4
by
0720702XXX
chemical reactions
enthalpy notation
moles
bond formation
bond breaking
0
votes
0
answers
Calculate the amount of moles at room temperature and pressure of methane which has a volume of 1450cm , temperature of 34.8 and M.G.V of 24000cm
asked
Apr 28
in
Chemistry Form 4
by
0740042XXX
energy changes in chemical and physical processes
0
votes
2
answers
Define molar heat solution.
answered
Jan 2
in
Chemistry Form 4
by
0721317XXX
energy changes in chemical and physical processes
molar heat solution
0
votes
2
answers
what is an acid anhydride?
answered
Dec 21, 2022
in
Chemistry Form 4
by
0756889XXX
acids
bases and salts
0
votes
3
answers
Write the equation for the reaction between propanol and propanoic acid
answered
Dec 7, 2022
in
Chemistry Form 4
by
0633071XXX
organic chemistry ii
formation of esters
0
votes
2
answers
Give two properties of aluminum that makes it very suitable for making cooking utensils
answered
Nov 15, 2022
in
Chemistry Form 4
by
0111724XXX
metals
aluminium
0
votes
1
answer
Define heat value of a fuel.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
energy changes in chemical and physical processes
0
votes
1
answer
Distinguish between hydration energy and lattice energy.
answered
Aug 17, 2021
in
Chemistry Form 4
by
anonymous
energy changes in chemical and physical processes
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