Nitrogen and Hydrogen gas react to form ammonia as shown in the following reaction:

N2 (g) + 3H2 (g) = 2NH3 (g)

If a sample of 4.5 moles of hydrogen gas was reacted with excess nitrogen, how many moles of ammonia gas would be produced?

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Liquid X is known to have a higher surface tension and higher viscosity than Liquid Y Use these facts to predict the result of below experiment: Experiment: Identical wire loops are dipped into Liquid X and Liquid Y, so that a film of liquid forms

Erica is working in the lab. She wants to remove the fine dust particles suspended in a sample of oil. Which method is she most likely to use? A reverse osmosis B osmosis C filtration D dilution

Would changing the amount of NaOH used in reaction 1 affect the value obtained for the energy given off per mole of NaOH? Explain.

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How many grams of KCl are produced when 60 grams of K are reacted?

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