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Sodium bromide lattice energy equation series#

The following are the standard electrode potential for some electrodes.

(b) What is the purpose of hot compressed air in this process ? (a) Name the substance that passes through tube:. The diagram below represents the extraction of sulphur by frasch process in Louisiana U.S.A. The diagram below represents the extraction of sulphur by frasch process in Louisiana U.S.A.

Obtained if the reaction is carried out in the presence of platinum catalyst. (b) On the energy level diagram above sketch, the energy level diagram that would be (a) Explain how an increase in temperature would affect the yield of nitrogen (II) oxide. (Solved)Īmmonia can be converted to nitrogen (II) Oxide as shown in the equation below in a research centre.

Ammonia can be converted to nitrogen (II) Oxide as shown in the equation below in a research centre.

With reference to the structure, explain how the detergent removes grease during washing. (Solved)Ī compound whose structure is shown below is found in a detergent, used in our day to day activities.

A compound whose structure is shown below is found in a detergent, used in our day to day activities.

(b) Write the equation for the reaction between dilute hydrochloric acid and theĬompound whose formula is written in (a) above. (a) Write the formula of the compound which formed as the white precipitate. On addition of dilute hydrochloric acid, the white precipitate disappeared. (Solved)Ī form four student prepared potassium sulphite solution and divided it into two portions.The first portion gave a white precipitate when reacted with barium nitrate.

A form four student prepared potassium sulphite solution and divided it into two portions.The first portion gave a white precipitate when reacted with barium nitrate.

Sodium bromide lattice energy equation series#

Use the electrochemical series below to answer the questions that follow.Ĭalculate the E.M.F for the electrochemical cell represented below.

Use the electrochemical series below to answer the questions that follow.

(c ) Name one possible solvent that can be used in this experiment / research. (a) Circle the spots which show the banned food colourings. The results showed the presence of banned food colourings in L and M only. The diagram below represents a paper chromatogram for three brands of juices suspected to contain banned food colourings by the Kenya Bureau of Standards.

The diagram below represents a paper chromatogram for three brands of juices suspected to contain banned food colourings by the Kenya Bureau of Standards.

Calculate the concentration of sulphuric acid in moles per litre.( Na = 23.0 O = 16.0 H = 1.0 )

(Solved)Ģ0.0cm 3 of a solution containing 4gm per litre of sodium hydroxide was neutralized byĨ.0cm 3 of dilute sulphuric acid. Calculate the concentration of sulphuric acid in. 20.0cm 3 of a solution containing 4gm per litre of sodium hydroxide was neutralized byĨ.0cm 3 of dilute sulphuric acid.Using dots (.) and crosses (x), show bonding in:The compound formed when nitrogen reacts with fluorine. Using dots (.) and crosses (x), show bonding in:The compound formed when nitrogen reacts with fluorine.Using dots (.) and crosses (x), show bonding in:-Sodium oxide (Na = 11 O = 8 ) Using dots (.) and crosses (x), show bonding in:-Sodium oxide (Na = 11 O = 8 ) (Solved).What is meant by molar heat of solution ? What is meant by molar heat of solution ? (Solved).