A 150 j of energy is added to a system that does 50 j of work is done. By how much wiull the internal energy of the system be raised?
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Ответ:
Explanation:
Ответ:
You need a balanced equation.
2Fe(s) + 3S(s) ==> Fe2S3(s) ... balanced equation
Reactants are solid iron and solid sulfur
Product is iron(III) sulfide
A. 1.42 moles Fe x 3 moles S/2 moles Fe = 2.13 moles sulfur
B. 2.75 moles S x 2 moles Fe/3 moles S = 1.83 moles iron