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Homework Help: Need help with understanding synthesis equations

  1. Apr 24, 2010 #1
    1. The problem statement, all variables and given/known data
    I have trouble with finding out the product or equations and i dont understand them could someone please help me with figuring it out

    2. Relevant equations
    copper + sulfur > copper(II) sulfide
    8Cu + S8 > 8CuS

    3. The attempt at a solution

    How is the sulfur charge 8 ?

    Copper here has a charge of -2 and sulfur has a charge of -2 so it would be

    Cu2 + S2 > CuS
  2. jcsd
  3. Apr 25, 2010 #2


    User Avatar

    Staff: Mentor

    What is a difference between upperscrpit and lowerscript in chemical formulas?

    How do you represent charge in ions?

    What does S8 mean?

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