1)
Is the following reaction feasible at 340K? Mg + ZnO -> MgO + Zn Enthalpy Data: Mg: 0 kJ...
Chemistry, 11.04.2020 07:56 devinblitz4363
1)
Is the following reaction feasible at 340K? Mg + ZnO -> MgO + Zn Enthalpy Data: Mg: 0 kJ/mol ZnO: -348 kJ/mol MgO: -602 kJ/mol Zn: 0 kJ/mol Entropy Data: Mg: 33 J/K mol ZnO: 44 J/K mol MgO: 42 J/K mol Zn: 27 J/K mol
A. No, it is not feasible because the Gibbs free energy change is positive.
B. No, it is not feasible because the Gibbs free energy change is negative.
C. Yes, it is feasible because the Gibbs free energy change is negative.
D. Yes, it is feasible because the Gibbs free energy change is positive.
2)
The strength of van der Waals forces increases as .
A. number of electrons increases
B. number of electrons decreases
C. molecular size increases
D. molecular size decreases
Answers: 3
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The kw for water at 0 °c is 0.12× 10–14 m2. calculate the ph of a neutral aqueous solution at 0 °c.
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