The dicarboxylic acid, ethanedoic acid, can form a polyester with 1,2-ethanediol. to illustrate the growth of the polymer, draw the trimmer that would form if ONE ethanedioic acid molecule reacted with TWO 1,2-ethanediol molecules.

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

For the reaction i2(g)+br2(g)←−→2ibr(g), kc=280 at 150 ∘c. suppose that 0.450 mol ibr in a 2.00-l flask is allowed to reach equilibrium at 150 ∘c. what is the equilibrium concentration of 2ibr, i2, br2