Balancing Chemical Equations Quiz

To calculate the molar mass of the compounds involved

To measure the volume of gases produced in the reaction

To determine the color changes that occur during a chemical reaction

To ensure that the same number of each type of atom is present on both sides of the equation (correct)

The temperature at which the reaction occurs

The number of moles of the compound

The number of atoms or molecules of the compound (correct)

The state (solid, liquid, gas) of the compound

$2H_{2} + O_{2} \rightarrow 2H_{2}O$ (correct)

$4Fe + 3O_{2} \rightarrow 2Fe_{2}O_{3}$

$N_{2} + 3H_{2} \rightarrow 2NH_{3}$

$CH_{4} + 2O_{2} \rightarrow CO_{2} + 2H_{2}O$

<p>The law of conservation of mass is violated</p> Signup and view all the answers