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The molar enthalpy of neutralization was experimentary shown to be 51.5kJ per mole of 0.5M hydrochloric acid and 0.5M sodium hydroxide. If the volume of sodium hydroxide was 20cm3. what was the volume of hydrochloric acid used if the reaction produced a 5.0oC rise in temperature?
Date posted:
February 19, 2019
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More Ltd. is a medium size manufacturing company and it maintains separate cost and financial
accounting books. The financial accountant provided the following statement for the year ended 31
March 2004.
Required:
Prepare a profit reconciliation statement for the year ended 31 March 2004.
Date posted:
February 19, 2019
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Calculate the molar heat of vaporization of water.(H= 1.0,O= 16.O)
Date posted:
February 19, 2019
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(A)Maghani ni nini?
(B)Eleza fani zifuatazo za Maghani.
(i)Vivugo.
(ii)Tondozi.
(iii)Pembezi.
(iv)Rara.
Date posted:
February 19, 2019
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(A)(i)Nini maana ya ngomezi.
(ii)Fafanua sifa za ngomezi.
(iii)Taja mifano mitatu za ngomezi za kisasa.
Date posted:
February 19, 2019
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(A)(i)Miviga ni nini?
(ii)Fafanua sifa zozote za Miviga.
Date posted:
February 19, 2019
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List the documents used in international trade,giving the meaning and the purpose/importance of each.
Date posted:
February 19, 2019
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State and explain the Causes of Balance of payments Disequilibrium.
Date posted:
February 19, 2019
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State and explain the observations made when a filter paper dipped in Lead(II) ethanoate /Lead (II) nitrate(V) solution is put in a gas jar containing hydrogen sulphide gas
Date posted:
February 19, 2019
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Rearrange the adjectives in the following sentences in the correct order.
(i)We watched a .......movie.
(Kenyan,long,sensational)
(ii)The band performed their....... song.
(reggae,new,exciting)
(iii)They saw an........baboon.
(old,ugly,Congolese)
Date posted:
February 19, 2019
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Dry litmus papers and wet/damp/moist litmus papers were put in a gas jar containing sulphur(IV) oxide gas. State and explain the observations made
Date posted:
February 19, 2019
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Calculate the volume of sulphur (IV)oxide produced when 0.4 g of sulphur is completely burnt in excess air.(S = 32.0 ,I mole of a gas occupies 24 dm3 at room temperature)
Date posted:
February 19, 2019
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jinsi wanasagamoyo wanavyopambana na uongozi mbaya
Date posted:
February 19, 2019
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State and explain the Allotropes of Sulphur
Date posted:
February 19, 2019
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State the uses of alkanols
Date posted:
February 19, 2019
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Explain how predators are adapted to capture their prey
Date posted:
February 18, 2019
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Explain why xylem vessels have dead cells
Date posted:
February 18, 2019
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9.7 g of a mixture of Potassium hydroxide and Potassium chloride was dissolved to make one litre solution.20.0cm3 of this solution required 25.0cm3 of 0.12M hydrochloric acid for completed neutralization. Calculate the percentage by mass of Potassium chloride.(K=39.0,Cl= 35.5)
Date posted:
February 18, 2019
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46.0g of a metal carbonate MCO3 was dissolved 160cm3 of 0.1M excess hydrochloric acid and the resultant solution diluted to one litre.25.0cm3 of this solution required 20.0cm3 of 0.1M sodium hydroxide solution for
complete neutralization. Calculate the atomic mass of "M"
Date posted:
February 18, 2019
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A certain carbonate, GCO3, reacts with dilute hydrochloric acid according to the equation given below
If 1 g of the carbonate reacts completely with 20 cm3 of 1 M hydrochloric acid ,calculate the relative atomic mass of G (C = 12.0 = 16.0)
Date posted:
February 18, 2019
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20.0cm3 of 0.05 M acidified potassium manganate(VII)solution oxidized 25.0cm3 of Fe2+(aq) ions in 40.0g/l of impure Iron (II)sulphate(VI) to Fe3+(aq) ions. Calculate the percentage impurities in the Iron (II)sulphate(VI).
Date posted:
February 18, 2019
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Name five pairs of agricultural tools where members of each pair must always be used together.
Date posted:
February 17, 2019
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State three advantages of adding organic matter to Sandy soil.
Date posted:
February 17, 2019
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Read the following conversation and answer the questions that follow.
Becky:(Shouting)What does she have to do to be punished-commit murder?
Vera:Go easy on her.
Becky:(Irritably)But you know he does anything she asks him to do. Its not fair.
Vera:Grow up!
Becky:(Screaming)You hate me!You never liked me!You only came to my school to spy on me because you are jealous of me you ugly witch, you pretender.
Vera:(Tears welling)I sacrificed my golden chance to be with you stupid girl and you return it with nothing but insults!
(i)Enumerate points on Becky's shortcomings in her conversation to Vera.
(ii)What good conversational skills should they have employed to enhance communication?
Date posted:
February 16, 2019
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The words in brackets indicates the stressed word in the sentence below. Briefly explain what each sentence means.
(i)(Tom) visited Mary yesterday.
(ii)Tom (visited) Mary yesterday.
(iii)Tom visited Mary (yesterday).
Date posted:
February 16, 2019
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You attend a prize-giving ceremony in your school. When the chief guest is speaking, you notice that he is sweating profusely, he is inaudible, he stammers a lot and avoids eye contact with his audience. What could be the cause of such behaviour?
Date posted:
February 16, 2019
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Identify the silent letter in the following words.
(i)Poignant
(ii)Debut
(iii)Patois
(iv)Tomb
(v)Lesson
(vi)Subtle
Date posted:
February 16, 2019
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Give another word with the same pronunciation as the word given.
(i)Bone
(ii)Heard
(iii)Gamble
(iv)Core
(v)Some
(iv)Isle
Date posted:
February 16, 2019
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Discuss the challenges facing policy and law making processes in Kenya.
Date posted:
February 15, 2019
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Discuss the steps followed during a policy making process as supported by Kenyan Constitution.
Date posted:
February 15, 2019