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  • aliyu mahmud wappah organic
    what is the difference between gum and adhesive     12 MayComment
  • aliyu mahmud wappah question
    how many gases are alkaline     30 AprilComment
  • okeyedun taiwo What is clathrate compound
    Organic chemistry     15 SeptemberComment
    • andy chuks A clathrate, clathrate compound or cage compound is a chemical substance consisting of a lattice of one type of molecule trapping and containing a second type of molecule. The name clathrate complex used to refer only to the inclusion complex of hydroquinone, but recently it has been adopted for many other weak composites which consist of a host molecule... Read All
      2 Unlike It0 19 September
  • sana akito Thx for your help even if only part a will be answered it would help me a lot :)
    Ammonia burns in oxygen as shown 4NH3(g) +3O2(g)-->2N2(g)+6H20(l) In an experiment 15 dm3 of ammonia are used and all the gas volumes are measured at room temperature and pressure a) What volume of oxygen in dm3 is required for complete combustion? b) What volume of nitrogen in dm3 will be produced?     23 April 2012Comment
    • andy chuks The equation above shows the mole ratios of the reaction. 4 moles of ammonia (NH3) reacting with 3 moles of Oxygen (O2) produced 2 moles of Nitrogen (N2) and 6 moles of water (H2O). Note 1 mole of gas is = 22.4dm3 Therefore 4 moles of NH3 = 89.6 dm3 1) Since it was complete combustion, that means if 15dm3 of NH3 was burnt completely 0.67 moles of... Read All
      1 Unlike It0 24 April 2012
    • sana akito Thx for your help :)
      0 Unlike It0 24 April 2012
  • bello zakariyya Oxygen
    Why oxygen atom has a great likeness of electrons     05 March 2012Comment
    • andy chuks Because Oxygen atom has six valence electrons and needs just two to complete attain octet. Thus, it exhibits electron afinity
      2 Unlike It0 05 March 2012
    • oluwaseyi lawal mind i asking, how about the halogen? which has a greater likeness of electrons: group 6 or 7?
      0 Unlike It0 19 June
  • bello zakariyya Chemistry
    Which gas has action on litimus paper     15 February 2012Comment
    • ademola adebambo dry NH3 gas has no action on litmus paper but the solution of NH3 turns red litmus blue
      0 Unlike It0 14 March 2012
  • bello zakariyya Chemistry
    What is process by which chlorine bleach     15 February 2012Comment View All 3 Answers
    • adebunmi emmanuel Chlorine bleach by oxidatn
      0 Unlike It0 18 May 2012
    • oluwaseyi lawal cyhlorine bleach by reacting with water....... 2CL + H20 ------- HOCL + HCL
      0 Unlike It0 19 June
  • bello zakariyya Chemistry
    How the percentage of oxygen in air can be determine using burning candle     15 February 2012Comment
  • daara odugbemi Kinetic Theory of Matter
    can i get some information about the phenomenom guiding kinetic theory of matter     25 December 2011Comment View All 3 Answers
    • ademola adebambo rapid oscillatory motion i.e Brownian motion.
      0 Unlike It0 30 December 2011
    • andy chuks The Kinetic Theory of Matter states that matter is composed of a large number of small particles (atoms or molecules) that are in constant motion. The small particles are always in constant motion and collide with one another and their container. The degree of motion or collision of these particles is dependent of the state of the matter or the force... Read All
      0 Unlike It0 02 January 2012
  • okeyedun taiwo What is polarimeter and dextro-laveotometer used for?
     26 November 2011Comment
    • andy chuks A Polarimeter is a device for studying a transparent sample between crossed polarizing devices. A polarimeter is a scientific instrument used to measure the angle of rotation caused by passing polarized light through an optically active substance. Some chemical substances are optically active, and polarized (ie unidirectional) light will rotate either... Read All
      0 Unlike It0 28 November 2011
  • kanayochukwu ogbuanu Naming an Organic Compound
    how can i name an organic compound?     12 July 2011Comment
    • olapade adebowale before naming organic compound you must first no the first 20 elements and after dat wen naming of organic compound der are some certain rules you need to follow. 1.identify the longest chain 2.identify the classes of the compound wether akane, alkene, or others. 3.identify the functional group. 4.After identify the functional group, you start naming... Read All
      0 Unlike It0 06 October 2011
  • smart ubom What is the color of NH3?
     13 April 2011Comment
    • andy chuks NH3 is Ammonia and it is colourless
      0 Unlike It0 13 April 2011
    • joshua john its also smells like the urine and it is an alkali gas which react with an acid to produce a salt.
      0 Unlike It0 23 November 2011
  • andy chuks How to Name Hydrocarbons
    - Locate the longest continuous chain of carbon atoms. Remember that the longest chain may be bent. - Number your chain from the end nearest a double or triple bond, otherwise from the end with the closest branch. - Use Greek numerical prefixes to find the "parent name" of your compound. This is based on the size of your longest chain. For... Read All     12 April 2011Comment
  • anumah monday SUGAR
    1. what is the name given to two sugars that differ only in the configuration around one carbon atom? 2. name two examples of sugars in 1 above     27 March 2011Comment
  • David Solomon What is Benzene?
    benzene     19 March 2011Comment View All 3 Answers
    • andy chuks Benzene is an organic chemical compound with the molecular formula C6H6. It is sometimes abbreviated Ph-H. Benzene is a colorless and highly flammable liquid with a sweet smell. Because it is a known carcinogen, its use as an additive in gasoline is now limited, but it is an important industrial solvent and precursor in the production of drugs, plastics,... Read All
      0 Unlike It0 20 March 2011
    • David Solomon BENZENE IS AN ORGANIC COMPOUND OF CARBON AND HYDROGEN WITH A MOLECULAR FORMULA IS C6H6, IT'S PERIOD FORMULA IS CH AFTER SERIES OF BRINGING UP THE RITE STRUCTURE OF BENZENE. A CHEMIST SCIENTIST CALLED AUGUST KERKUL MADE A RING STRUCTURE OF BENZENE. BENZENE UNDERGOES BOTH ADDITION AND SUBSTITUTION REACTION BECAUSE IT IS A SATURATED AND UNSATURATED HYDROCARBON.... Read All
      0 Unlike It0 21 March 2011