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  1. 2N2H4  +  N2O4  -->  3N2  +  4H2O total molecules released into the air   450,000  X  1 mol/92  X  7/1  X  6.022x10^23 molecules  . . . just use a calculator

    1 Answers · Science & Mathematics · 06/01/2021

  2. you are correct not to use plastics in the oven, specially in a microwave oven. Any chemicals released by the plastic won't linger in the oven, no reason to throw it away... my opinion.

    2 Answers · Science & Mathematics · 30/12/2020

  3. ...891 kJ/mol where ... the - sign means 891 kJ/mol is released ... dH O2 = 0 (by convention, dH of all elemental stuff in ...

    1 Answers · Science & Mathematics · 14/01/2021

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