Who described atoms as small spheres that could not be divided into anything smaller?

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Light waves are as they pass through the

Two moles of potassium chloride and three moles of oxygen are produced from the decomposition of two moles of potassium chlorate, kcos3(s). write the balanced equation. how many moles of oxygen are produced from 12 moles of potassium chlorate