What mass in grams of hydrogen is needed to react completely with 931 g n2?
equation n2+h2→nh3 (not balanced)

Remember to use the proper number of significant figures and leading zeros in all calculations.gelatin has a density of 1.27 g/cm³. if you have a blob of gelatin dessert that fills a 2.0 liter bottle, what is its mass? 2540 g2500 g3.9 x 10-43.937x 10-4

Which suspect most likely committed the robbery and how do you know

What is the work done by the electric force to move a 1 c charge from a to b?