Solid iron(iii) oxide reacts with hydrogen gas to form solid iron and liquid water.

The figure (figure 1) shows the reaction of element a (lavender spheres) with element b (tan spheres). write the balanced chemical equation for this reaction in terms of a and b.

What is the coefficient in front of the no when the equation below is balanced? NH₃(g) + O₂(g) → NO(g) + H₂O(g)

Write a balanced chemical equation based on the following description: 

propanol, C₃H₇OH(l) burns in air to produce gaseous carbon dioxide and water vapor

Write a balanced equation to show the reaction of gaseous ethane with gaseous oxygen to form carbon monoxide gas and water vapor.