Answer:
polyatomic ions are ions they are composed of two range
1 binary ionic compounds nomenclature of ionic and contrbuture 2.brainly components between two nominees
Answer:
c. -1020.9 kJ
Explanation:
4Fe (s) + 3 O₂ (g) --> 2 Fe₂O₃(s) ΔH = -826.0 kJ/mol.
atomic weight of iron = 56
69.03 g = 69.03 / 56
= 1.23268 moles
Heat released by 1.23268 moles
= 1.23268 x 826.0
= -1020.9 kJ .
It would be C!!!!!!!!!!!!!
If you move a substance from one container to another and its volume changes substances is gas.
The answer is
D. Covalent bond
Hope this helps you have a great day.
