CHEMISTRY - Could someone please check these for me?

M

Monica

New member
Hi! Could you please help me balance these equations:
Is this correct??

1. __Al + _2_H^+1 = __Al^+3 + __H2


2. _8_H+1 + __Cu + _2_NO3^-1 = __Cu^+2 + _2_NO + _4_H2O


3. __Fe^+3 + _2_I^-1 = __Fe^+2 + __I2


4. _2_KClO3 = _2_KCl + _3_O2


Thank you!!
 
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