Chemistry, 31.03.2020 23:26 eguzmandpandoracom
When Na + O2 --> Na2O is balanced, what coefficient is in front of the Na?
Answer from: kaytlynnmeyer
Hey there!
Na + O₂ → Na₂O
Balance O.
2 on the left, 1 on the right. Add a coefficient of 2 in front of Na₂O.
Na + O₂ → 2Na₂O
Balance Na.
1 on the left, 4 on the right. Add a coefficient of 4 in front of Na.
4Na + O₂ → 2Na₂O
Our final balanced equation: 4Na + O₂ → 2Na₂O
Hope this helps!
Answer from: Quest
The activity series is shown in the attached picture. if the element is below the other, then you can displace the other. following the activity series as a guide, the reactions are as follows: nickel and aluminum chloride3 ni + 2 alcl₃ → 3 nicl₂ + 2 albarium and copper bromideba + cubr → no reaction because cu is less oxidizable than bapotassium nitrate and aluminum3 kno₃ + al → al(no₃)₃ + 3 ksodium phosphate and zincnaso₄ + zn → znso₄ + na
Answer from: Quest
give me abc and i will get it for u.
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