___I2+___HNO3=___HIO3+___NO+___H2O
___I2+___HNO3=___HIO3+___NO+___H2O
___FeS2+___HNO3=____Fe(NO3)3+____SO2+_____NO+____H2O
填空:(1)___NH3+___O2→___NO+___H2O,该反应中氧化剂是___,被氧化的元素是___,氧化产物是
化学 FeO4(2-)+___H2O=__Fe(OH)3胶体+__O2(气体符号)+___OH- 求配平
____As2O3+____Zn +____HCl → ____AsH3 + ____ZnCl2 + ___H2O
__As2S3+__HNO3+( )----___H3AsO4+___H2SO4+___NO
(C6H10O5)n+___H2O一2nC2H5OH+___CO2 配平?
___O2-+___H2O生成1个H2O2+____O2+___OH-
___No,she isn' t . H___name is jane
There used to ___no school here
This is___heavy a box ___no one can lift it.
What i say and think ___no business of yours.