bandaidgirl
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can anyone help me figure out what type of reactions these are? not a real brain when it comes to chemistry. NaOH + HCl--> NaCl +H20 4Fe + 302 --> 2Fe2O3 CH4 +2O2 --> CO2 + 2H2 BaCl2 + Na2SO4 --> BaSO4 + 2NaCl Zn + 2AgNO3 --> 2Ag + Zn(NO3)2 2HgO --> 2Hg + O2 and explain how you come up with these. thanks