Copy all equations; find the THREE unbalanced equations and balance them.
{"Image DocumentName": "Copy all equations; find the THREE unbalanced equations and balance them.", "Image ImageDescription": "a) Zn + Pb(NO3)2 \u2192 Pb + Zn(NO3)2. Mg + O2 \u2192 MgO. Fe + CuSO4 \u2192 Cu + FeSO4. H2O \u2192 H2 + O2. HNO3 + Na2CO3 \u2192 NaNO3 + H2O + CO2.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}