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12-10-2021
Social Studies

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HELP Combination (or synthesis) – two or more elements combine to form a compound. Na + O2  Na2O

HELP Combination or synthesis two or more elements combine to form a compound Na O2 Na2O class=

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12-10-2021

Answer:

4 Na + O2 = 2 Na2O

N2O5 + H2O = 2 HNO3

2 KNO3 = 2 KNO2 + O2

2 NaN3 = 2 Na + 3 N2

CH4 + 2 O2 = CO2 + 2 H2O

C6H12O6 + 6 O2 = 6 CO2 + 6 H2O

2 KCl + F2 = 2 KF + Cl2

Mg + 2 HCl = MgCl2 + H2

Explanation:

i dont know hope this helps

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