MCQ
A sodium cation has different number of electrons from
- A${O^{2 - }}$
- B${F^ - }$
- ✓$L{i^ + }$
- D$A{l^{ + 3}}$
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$ H_2(g) + Cl_2(g) \to 2HCl(g), \Delta H^o = -185\, kJ$
What is $\Delta U^o$ for this reaction? .....$kJ$