lilbrown6369
19.10.2019 •
Chemistry
1. interpret the following equation using moles, molecules, and volumes (assume stp). compare the mass of the reactants to the mass of the product. 2n2(g)+3o2(> 2n2o3(g)
2. how many moles of chlorine gas will be required with sufficient iron to produce 14 moles of iron (iii) chloride?
2fe(s)+3cl2(> 2fecl3(g)
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Ответ:
2. According to the chemical reaction, 3 moles of chlorine gas produces 2 moles of iron(III) chloride. So, to produce 1 moles of iron(III) chloride, 3/2 (1.5) moles of chlorine gas is required. Therefore, to produce 14 moles of iron(III) chloride, 14 x 1.5 = 21 moles of chlorine is needed.
Ответ:
Reactant: (2N2) = (2)(28.0 g/mol) = 56 g
(3O2) = (3)(32.0 g/mol) = 96 g
total = 152 g
Product: (2N2O3) = (2)(76 g/mol) = 152 g
The reactant and product have the same masses.
2. From the given balanced chemical equation, we use the stoichiometric ratio,
(14 moles of FECl3)(3 moles Cl2/2 moles of FeCl3)
= 21 moles of Cl2
Ответ: