1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Gold mining

  1. Mar 26, 2009 #1
    1. potassium cyanide is added to a powder containg pure gold and rock and reacts with gold in the presence of oxygen to form potassium gold cyandie and potassium hydroxide. what is the balance equation?

    zinc is than added it reacts wwith potassium gold cyanide. what happens than? what is the balance equation?


    3. The attempt at a solution
  2. jcsd
  3. Mar 26, 2009 #2
    The company that uses and created a liquid version of the cyanide as opposed to the brick form is Cyanco. Look them up on google.

  4. Mar 26, 2009 #3


    User Avatar

    Staff: Mentor

    You must show an attempt at a solution before we can offer tutorial help. What are the chemical symbols for the elements and compounds in your question? How would you go about trying to balance the chemical equations?
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook