Ammonia gas is produced by the reaction: N2(g) + 3H2(g) → 2NH3 (g). How many liters of ammonia can be produced from 10.8 L of hydrogen? Assume that all gases were measured at a constant temperature and pressure If the reaction was made to occur at 2 atm pressure at 254 K, how many moles of ammonia were produced?

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Q: Calcium carbonate, CaCO31s2, the principal compound in limestone, decomposes upon heating to CaO(s)…

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Q: Consider the reaction: 2 Ag2O(s) ---------> 4 Ag(s) + O2(g) If this reaction produces 15.8 g of…

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Q: What volume of gas is produced when 16.0 g of lithium reacts with 30.0 mL of water? Assume that the…

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Q: Given the following chemical equation for the combination reaction of sodium metal and chlorine gas:…

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Q: 1. Given the reaction:        2 Al (s) +  6 HCl (aq)    -->   2 AlCl3 (aq) +   3 H2 (g) A strip…

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Q: A volume of 0.70 L of air at 37 ° C is expelled from the lungs into cold surroundings at  4.9 ° C.…

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Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.