1.Most alkanes are used as fuel e.g. Methane is used as biogas in homes.Butane is used as the Laboratory gas.
2.On cracking ,alkanes are a major source of Hydrogen for the manufacture of ammonia/Haber process.
3.In manufacture of Carbon black which is a component in printers ink.
4.In manufacture of useful industrial chemicals like methanol, methanol, and chloromethane
Wilfykil answered the question on February 18, 2019 at 06:29
- Give the physical and chemical Properties of alkanes(Solved)
Give the physical and chemical Properties of alkanes
Date posted: February 18, 2019. Answers (1)
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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. Answers (1)
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25.0cm3 of a mixture of Fe2+ and Fe3+ ions in an aqueous salt was acidified with sulphuric(VI)acid then titrated against potassium manganate(VI).The salt required 15cm3 of 0.02M potassium manganate(VI) for complete reaction.
A second 25cm3 portion of the Fe2+ and Fe3+ ion salt was reduced by Zinc then titrated against the same concentration of potassium manganate(VI).19.0cm3 of potassium manganate(VI)solution was used for complete reaction. Calculate the concentration of Fe2+ and Fe3+ ion in the solution on moles per litre.
Date posted: February 18, 2019. Answers (1)
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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. Answers (1)
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If 1 g of the carbonate reacts completely with 20 cm3...(Solved)
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. Answers (1)
- 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...(Solved)
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. Answers (1)
- You are provided with:
(i)sodium L containing 5.0g per litre of a dibasic organic acid H2X.2H2O.
(ii)solution M which is acidified potassium manganate(VII)
(iii)solution N a mixture of...(Solved)
You are provided with:
(i)sodium L containing 5.0g per litre of a dibasic organic acid H2X.2H2O.
(ii)solution M which is acidified potassium manganate(VII)
(iii)solution N a mixture of sodium ethanedioate and ethanedioic acid
(iv) 0.1M sodium hydroxide solution P
(v) 1.0M sulphuric(VI)
You are required to:
(i)standardize solution M using solution L
(ii)use standardized solution M and solution P to determine the % of sodium ethanedioate in the mixture
Date posted: February 18, 2019. Answers (1)
- You are provided with:
(i)an impure calcium carbonate labeled M
(ii)Hydrochloric acid labeled solution N
(iii)solution L containing 20g per litre sodium hydroxide(Solved)
You are provided with:
(i)an impure calcium carbonate labeled M
(ii)Hydrochloric acid labeled solution N
(iii)solution L containing 20g per litre sodium hydroxide
You are required to determine the concentration of N in moles per litre and the % of calcium carbonate in mixture M.
Date posted: February 18, 2019. Answers (1)
- You are provided with: Acidified Potassium Manganate (VII) solution A, 0.1M of an iron (II) salt solution B....
(Solved)
You are provided with:
Date posted: February 15, 2019. Answers (1)
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Date posted: February 15, 2019. Answers (1)
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Date posted: February 15, 2019. Answers (1)
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1.0g of an alloy of aluminium and copper were reacted with excess hydrochloric acid. If 840 cm3 of hydrogen at s.t.p was produced, calculate the % of copper in the alloy.(Al =27.0,one mole of a gas at s.t.p =22.4 dm3 )
Date posted: February 15, 2019. Answers (1)
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Calculate the volume of carbon(IV)oxide at r.t.p produced when 5.0 g of calcium carbonate is strongly heated.(Ca=40.0, C= 12.0,O = 16.0,1 mole of gas =22.4 at r.t.p)
Date posted: February 15, 2019. Answers (1)
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Calculate the number of particles present in 0.135 g of a gaseous hydrocarbon X on complete combustion produces 0.41g of carbon(IV)oxide and 0.209g of water.0.29g of X occupy 120cm3 at room temperature and 1 atmosphere pressure .Name X and draw its molecular structure.(C=12.0,O= 16.O,H=1.0,1 mole of gas occupies 24dm3 at r.t.p)
Date posted: February 15, 2019. Answers (1)
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If its relative molecular mass is 88, determine its molecular formula(C=12.0,...(Solved)
A compound of carbon, hydrogen and oxygen contain 54.55% carbon, 9.09% and remaining 36.36% oxygen.
If its relative molecular mass is 88, determine its molecular formula(C=12.0, H =1.0, O= 16.0)
Date posted: February 15, 2019. Answers (1)
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A hydrocarbon was found to contain 92.3% carbon and the remaining Hydrogen. If the molecular mass of the compound is 78, determine the molecular formula(C=12.0, H =1.0)
Date posted: February 15, 2019. Answers (1)
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Determine its empirical formula(Mg = 24.0, 16.0)(Solved)
1.60g of an oxide of Magnesium contain 0.84g by mass of Magnesium.
Determine its empirical formula(Mg = 24.0, 16.0)
Date posted: February 15, 2019. Answers (1)
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Date posted: February 15, 2019. Answers (1)
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25 cm3 of carbon(II)oxide diffuses across a porous plate in 25 seconds. How long will it take 75 cm3 of Carbon(IV)oxide to diffuse across the same plate under the same conditions of temperature and pressure. (C=12.0,0=16.0)
Date posted: February 15, 2019. Answers (1)
- How long would 200 cm3 of Hydrogen chloride take to diffuse through a porous plug if carbon(IV)oxide takes 200 seconds to diffuse through?(Solved)
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Date posted: February 15, 2019. Answers (1)