Given the following equation: 4 Fe + 3 02 → 2 Fe2O3 What mass of iron is needed to react with 12 grams of oxygen gas?*

Why is silver chloride is an ionic compound

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.