The most probable speed of an oxygen molecule in the gas phase at room temperature is 450 m/s. The root-mean-square speed (urms) is therefore

A. slightly less than 450 m/s.
B. much less than 450 m/s.
C. much greater than 450 m/s.
D. slightly greater than 450 m/s.
E. equal to 450 m/s.

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

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium

Akno3 solution containing 51 g of kno3 per 100.0 g of water is cooled from 40 ∘c to 0 ∘c. what will happen during cooling?