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write the chemical equation obtained when reactions x and y are added together to produce the reaction z. include the states of matter. remember to write the lowest possible numeric values for the coefficients.

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pstnonsonjoku

When we add the two reactions X and Y as shown, we obtain the reaction Z; 2CH4(g) +3O2(g) + O2(g)  →  4H2O(g) + 2CO2(g)

From the full question, we can see that reaction X is given as;

2CH4(g) +3O2(g) →2CO(g) + 4H2O(g)

Reaction Y is given as;

2CO(g) + O2(g) → 2CO2(g)

If we add the two reactions together, we have;

2CH4(g) +3O2(g) + 2CO(g) + O2(g)  → 2CO(g) + 4H2O(g) + 2CO2(g)

We now have to cancel out  2CO(g) on both sides of the reaction equation;

2CH4(g) +3O2(g) + O2(g)  →  4H2O(g) + 2CO2(g)

Hence the reaction Z is 2CH4(g) +3O2(g) + O2(g)  →  4H2O(g) + 2CO2(g)

Learn more: https://brainly.com/question/14281129

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