What number should be substituted for the question mark to balance the equation and why is that the correct number?
2c2h6 +? o2 → 4co2 + 6h2o + heat
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Ответ:
Ответ:
How much oxygen's are on the reactants side?
Lets count, 4*2 = 8 and 6, so 8+6 = 14
Now, start to predict the number.
14/2 = 7
7 is the correct answer
Ответ:
7.14
Step-by-step explanation: