Write the balanced chemical equation for the reaction shown.

carbon is represented by a black sphere, nitrogen by a blue sphere, chlorine by a green sphere, and hydrogen by a white sphere. in the reactants there are three molecules that contain one black sphere and four white spheres. there are three molecules that contain two blue spheres and four green spheres. in the products there are three molecules that contain one black sphere and four green spheres. there are three molecules that contain two blue spheres. there are six molecules that contain two white spheres.