What two conditions must be met for structural icing to occur on an airplane?.

Starch and are common polysaccharide carbohydrates found in plants. sucrose glycogen fructose cellulose

What stress will shift the following equilibrium system to the left? n2(g) + 3h2(g) ⇌ 2nh3(g) adding more n2(g) adding more nh3(g) increasing the pressure of the system reducing the volume of the container

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as