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The Figure Shows a Molecular-Level Diagram of Reactant Molecules for the Reaction

Question 69

Multiple Choice

The figure shows a molecular-level diagram of reactant molecules for the reaction: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(g) The figure shows a molecular-level diagram of reactant molecules for the reaction: 2C<sub>2</sub>H<sub>2</sub>(g) + 5O<sub>2</sub>(g) → 4CO<sub>2</sub>(g) + 2H<sub>2</sub>O(g) List the number and formulas of the molecules that should be present after the reaction takes place. A) 4CO<sub>2</sub> + 2H<sub>2</sub>O B) 4CO<sub>2</sub> + 2H<sub>2</sub>O + 2C<sub>2</sub>H<sub>2</sub> C) 4CO<sub>2</sub> + 2H<sub>2</sub>O + 2C<sub>2</sub>H<sub>2</sub> + 5O<sub>2</sub> D) 6CO<sub>2</sub> + 3H<sub>2</sub>O + 3O<sub>2</sub> E) 8CO<sub>2</sub> + 4H<sub>2</sub>O + 2C<sub>2</sub>H<sub>2</sub> List the number and formulas of the molecules that should be present after the reaction takes place.


A) 4CO2 + 2H2O
B) 4CO2 + 2H2O + 2C2H2
C) 4CO2 + 2H2O + 2C2H2 + 5O2
D) 6CO2 + 3H2O + 3O2
E) 8CO2 + 4H2O + 2C2H2

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