Ответы и объяснения

2013-05-13T18:26:08+04:00

cuo+h2so4=cuso4+h2o

cuso4+2naoh=cu(oh)2+na2so4

              t

cu(oh)2=cuo+h2o

cuo+h2=cu+h2o

2013-05-13T18:26:38+04:00

1)2Cu+02=2Cuo

2)Cu0+H2SO4=CuSo4+ H2o

3)CuSo4+2NaoH=Cu(OH)2+Na2So4

4)CuoH2=CuO+H20 

5)Cuo+H2=Cu+H2O