Chem Reaction Copper

• Jasmine ngjiamin

  6 Aug 11, 22:09

  Copper oxide--------heat with H2----->Pink / reddish brown solid J 

  what is J?

• UltimaOnline

  6 Aug 11, 23:45

  Originally posted by Jasmine ngjiamin:

  Copper oxide--------heat with H2----->Pink / reddish brown solid J 

  what is J?

  
  J = copper metal.

  H2 'steals away' the oxygen from CuO to generate Cu, and itself (ie. the H2) becomes H2O.

  H2 has been oxidized from OS (oxidation state) of 0 (in H2) to +1 (in H2O).

  Cu has been reduced from OS of +2 (in CuO) to 0 (in Cu).

• Jasmine ngjiamin

  7 Aug 11, 18:08

  Thanks for answering my questions! 

• UltimaOnline

  7 Aug 11, 19:26

  Originally posted by Jasmine ngjiamin:

  Thanks for answering my questions! 

  
  You're welcome, Jasmine.