Question

you have leftoverd 8 H2O molecules, * 4 Oz moleculus lurt over Select the Game icon at the bottom of the page. 25. Play the game until you earn 10 points. It's more fun on the challenge setting Scaling Up Consider the balanced reaction of hydrogen with nitrogen to make ammonia gas. 3 Hz + N2 → 2 NH3 26. If you have 3.0 moles of hydrogen and excess nitrogen, how many moles of ammonia can be formed? 4 moles of ammonia 27. If you have 300 moles of hydrogen and excess nitrogen, how many moles of ammonia can be formed? 28. If you have 3 million moles of hydrogen and excess nitrogen, how many moles of ammonia can be formed? 114 1211: Experiment 68- Nuts and Bolts

Answer 1

26) According to the reaction,

3 moles of H2 give 2 moles of ammonia.

27) According to the reaction,

3 moles H2 give 2 moles ammonia

300 moles H2 give 200 moles ammonia

28) 3 millions moles of hydrogen give 2 million moles of ammonia.

29) According to the reaction

3 mole H2 give 2 mole NH3

3×2 = 6 g H2 give 2×17 = 34g NH3

300 g H2 give 34×300/6 = 1700 g ammonia

30) According to the reaction,

6 g H2 require 28 g N2

300 g H2 require 28×300/6 = 1400 g N2

Since we have less than this N2 hence N2 is limiting reagent.

According to the reaction,

28 N2 give 34 g NH3

300 g N2 give 34×300/28 = 364.28 g NH3

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