1) According to the following reaction, how many grams of hydrogen gas are necessary to form 0.475 moles nitrogen gas? nitrogen monoxide (g) + hydrogen (g) nitrogen (g) + water (l) 2) According to the following reaction, how many moles of carbon dioxide will be formed upon the complete reaction of 24.4 grams of carbon monoxide with excess water? carbon monoxide (g) + water (l) carbon dioxide (g) + hydrogen (g) 3) According to the following reaction, how many moles of mercury will be formed upon the complete reaction of 26.5 grams of mercury(II) oxide? mercury(II) oxide (s) mercury (l) + oxygen (g)