please balance equations 13-15 13. potassium oxide + calcium bromide → calcium oxide + potassium bromideK₂O + CaBr2 →CaO + KBr14. methane, CH4, burns in oxygen to produce carbon monoxide and waterO₂ →H₂OCH4+15. ethane undergoes complete combustionC2H4+ O₂ →CO₂+CO₂ +H₂OBONUS: Which of the above reactions are redox reactions (oxidation and reduction reactions)?

13. potassium oxide + calcium bromide → calcium oxide + potassium bromide K₂O + CaBr₂ → CaO + KBr 14. methane, CH4, burns in oxygen to produce carbon monoxide and water CH4 + O₂ → CO₂ + H₂O 15. ethane undergoes complete combustion C2H4 + O2 → CO₂ + H₂O chved

13. potassium oxide + calcium bromide → calcium oxide + potassium bromide K₂O + CaBr₂ → CaO + KBr 14. methane, CH4, burns in oxygen to produce carbon monoxide and water CH4 + O₂ → CO₂ + H₂O 15. ethane undergoes complete combustion C2H4 + O2 → CO₂ + H₂O chved

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter5: Stoichiometry

Section: Chapter Questions

Problem 97E

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please balance equations 13-15

13. potassium oxide + calcium bromide → calcium oxide + potassium bromide
K₂O + CaBr2 →
CaO + KBr
14. methane, CH4, burns in oxygen to produce carbon monoxide and water
O₂ →
H₂O
CH4
+
15. ethane undergoes complete combustion
C2H4
+ O₂ →
CO₂
+
CO₂ +
H₂O
BONUS: Which of the above reactions are redox reactions (oxidation and reduction reactions)?

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In order to balance any chemical equation, it is very important to make equal number of atoms in reactant and product sides.

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