"Crude oil dustillation" 1.(talk about product of process)

2. (describe each equipment and what's happened in inside of equipment)

3.(talk about human, environment and equipment effects)

4. How can we be safe from the hazards of process?

What three things determine the shape and size of a puddle when water is poured out onto a surface

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.