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    Siustrulka's Avatar
    Siustrulka Posts: 33, Reputation: 1
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    #1

    Dec 30, 2006, 04:43 PM
    rewrite equations as balanced chemical equations
    Magnesium chloride yield sulfur dioxide


    Calcium carbonate yields calcium oxide plus carbon dioxide


    Nitrogen plus hygrogen yield ammonia

    Hydrochloric acid plus sodium hydroxide yield sodium chloride plus water

    Sodium plus water yield sodium hydroxide plus hydrogen gas

    Lead(II) oxide yields lead plus oxygen

    Copper plus silver nitrate yield silver plus copper (II) nitrate

    Potassium chlorate yields potassium chloride plus oxygen

    Calcium chloride plus silver nitrate yield silver chloride plus calcium nitrate

    Sodium bromide plus chlorine yield sodium chloride plus bromine

    Oxygen plus hydrogen yield water
    rudi_in's Avatar
    rudi_in Posts: 251, Reputation: 45
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    #2

    Dec 30, 2006, 06:04 PM
    Thank you for posting your question to the Ask Me Help Desk.

    Let's start by having you write down for me what you think are all the chemical formulas that represent the words in each statement.
    Siustrulka's Avatar
    Siustrulka Posts: 33, Reputation: 1
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    #3

    Dec 30, 2006, 06:16 PM
    I did them could you check if they are right thank you

    SYNTHESIS
    S + O2 āSO2
    O2+ 2H2--> 2H2O
    N2+H2-> 2NH3

    DECOMPOSITION
    CaCO3 -> CaO + CO2
    2KClO3 → 2KCl + 3O2
    2PbO->2Pb+O2


    SINGLE DISPLACEMENT
    2Na+2H2O->2NaOH+H2
    2NaBr+Cl2->2NaCl+Br2
    Cu+2AgNO3->2Ag+ Cu(NO3)2

    DOUBLE DISPLACEMENT
    HCl+NaOH->NaCl+ H2O
    MgCl2+H2SO4-> MgSO4+2HCl
    CaCl2+2AgNO3->2AgCl+Ca(NO3)2
    rudi_in's Avatar
    rudi_in Posts: 251, Reputation: 45
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    #4

    Dec 30, 2006, 06:32 PM
    Excellent!

    You just answered your own question. :D
    You even went a step further and identified the type of reaction.

    I knew you could do it!

    Great Job!
    Siustrulka's Avatar
    Siustrulka Posts: 33, Reputation: 1
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    #5

    Dec 30, 2006, 06:36 PM
    Thank you:)
    Siustrulka's Avatar
    Siustrulka Posts: 33, Reputation: 1
    Junior Member
    		  
    #6

    Dec 30, 2006, 06:37 PM
    I have one more question

    Is oxygen the only gas in the air which will combine with Mg
    arsenaltom's Avatar
    arsenaltom Posts: 1, Reputation: 1
    New Member
    		  
    #7

    Jan 15, 2007, 11:04 AM
    Quote Originally Posted by Siustrulka
    magnesium chloride yield sulfur dioxide


    calcium carbonate yields calcium oxide plus carbon dioxide


    nitrogen plus hygrogen yield ammonia

    hydrochloric acid plus sodium hydroxide yield sodium chloride plus water

    sodium plus water yield sodium hydroxide plus hydrogen gas

    lead(II) oxide yields lead plus oxygen

    copper plus silver nitrate yield silver plus copper (II) nitrate

    potassium chlorate yields potassium chloride plus oxygen

    calcium chloride plus silver nitrate yield silver chloride plus calcium nitrate

    sodium bromide plus chlorine yield sodium chloride plus bromine

    oxygen plus hydrogen yield water
    How many atoms does kerosene have
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #8

    Jan 15, 2007, 11:19 AM
    Kerosene is a mixture of many different hydrocarbons, so I can't tell you how many atoms are in a molecule of kerosene.
    sprinter4u's Avatar
    sprinter4u Posts: 1, Reputation: 1
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    #9

    Mar 28, 2011, 02:05 PM
    Oxygen plus hydrogen yield water :

    O+H-->H20 (the 2 is supposed to be a subscript by the way)
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