Answer:

Explanation:
we have

Solve for x
That means----> Isolate the variable x
Applying the distributive property both sides

Remember that


Combine like terms left side

Adds 7x both sides


Adds 4 both sides


Divide by 9 both sides

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Answer:
8L of CO2
Explanation:
The equation for the reaction is given below:
2C2H2 + 5O2 —> 4CO2 + 2H2O
From the equation above,
5L of O2 produced 4L of CO2.
Therefore, 10L of O2 will produce = (10 x 4)/5 = 8L of CO2
Therefore, 8L of CO2 is produce