Recent questions in Chemistry Form 4

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chemical equations of magnesium sulphate reacting with sodium carbonate

asked Feb 12 in Chemistry Form 4 by 0114410XXX

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3 answers

standard of heat combustion

asked Oct 28, 2023 in Chemistry Form 4 by 0113860XXX

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3 answers

standard of heat combustion

asked Oct 28, 2023 in Chemistry Form 4 by 0113860XXX

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1 answer

what property make aluminium oxide and silicon iv oxide react with sodium hydroxide solution

asked Aug 24, 2023 in Chemistry Form 4 by 0724816XXX

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1 answer

state why bauxite is first crushed and ground into smaller particles

asked Aug 24, 2023 in Chemistry Form 4 by 0724816XXX

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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, 2023 in Chemistry Form 4 by 0731373XXX

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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, 2023 in Chemistry Form 4 by 0740042XXX

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What is the formula of products of a mixture of Ethanol and Butanoic acid with few drops of sulphuric (vi) acid?

asked Jan 7, 2023 in Chemistry Form 4 by 0725522XXX

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2 answers

what is an acid anhydride?

asked Mar 17, 2022 in Chemistry Form 4 by istanbul

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1 answer

A sample of polymer has a molecular mass of 63600. Calculate the number of monomers in the sample

asked Jan 12, 2022 in Chemistry Form 4 by sostenah

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3 answers

Write the equation for the reaction between propanol and propanoic acid

asked Jan 10, 2022 in Chemistry Form 4 by PiusMusomi

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3 answers

What is the function of acetylcholine?

asked Sep 4, 2021 in Chemistry Form 4 by Nater

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5 answers

Give the condition and the reagent under the ethanol is converted to ethanoic acid

asked Aug 29, 2021 in Chemistry Form 4 by kagiri

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8 answers

Give two reasons why wood and charcoal are chosen for domestic heating.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Define heat value of a fuel.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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2 answers

The diagram below shows an energy level diagram for the formation of magnesium chloride. Study it and answer the questions that follow.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

Distinguish between hydration energy and lattice energy.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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5 answers

State Hess’s law.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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1 answer

During electrolysis of aqueous copper (II) sulphate using copper electrodes a current of 0.2 amperes was passed through the cell for 5 hours. Determine the change in mass of the cathode that occurred as a result of the electrolysis process. (Cu = 64, IF = 96500 coulombs).

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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2 answers

Aqueous copper (II) sulphate was electrolysed using the set up below.

asked Aug 17, 2021 in Chemistry Form 4 by anonymous

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