Answer:
2Mg + O2 → 2MgO
Explanation:
In all conbustion you should know, that reactans are an specific compound and O2, so the products must be CO2 and H2O, or in this case, the corresponding oxide.
<span>B) N2(g) + 3H2(g) → 2NH3(g)
</span>I hope this helps :)
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Answer:
The molecules of all living things contain backbones that consist of carbon atoms.
Explanation:
Millions of carbon-based compounds make up the cells and other structures of living organisms.
Organisms need these compounds to live, grow, and reproduce. Without them, life could not exist,
Answer:
79.89%
Explanation:
Copper has a molar mass of 63.55
Oxygen has a molar mass of 16.00
If you add these you get 79.55
To get the mass percent of copper divide copper by the whole. 63.55/79.55*100= 79.89%