Ответы и объяснения

2013-06-10T19:17:21+04:00

H2+H2O=

2H2+O2=2H2O

H2+N2a=2NAH 

H2+H2=

H2+CuO=CU+ H2O

H2+CaO=CA +H2O

S+H2O=SO2 +H2

S+O2=SO2

S+Na=NA2S

S+H2=SH2

2S+2CuO=2CU+SO2

S+2CaO=2CA + SO2