Respuesta :

 I believe it is 2,5,4,2

Based on how to balance equations, the required coefficients correctly balance the equation are 2, 5, 4, and 2.

What is a balanced equation?

A balanced equation has equal number of of moles of atoms on both the reactant and product sides of a reaction.

Numerical coefficients are used to balance equations.

What is the balanced equation of the reaction C2H2+O2 ----> CO2+H2O?

The balanced equation is as follows:

  • 2 C₂H₂ + 5 O₂ ----> 4 CO₂ +  2 H₂O

Therefore, the required coefficients correctly balance the equation are 2, 5, 4, and 2.

Learn more about balancing equations at: https://brainly.com/question/26227625