O2(g) + 2CO(g) - 2C02(g) AH = - 35.7 kJ
If carbon dioxide is added, equilibrium will shift

to improve her experimental investigation, dalila should add a row in which no fertilizer is used. by a having a contrasting row in which no fertilizer is used, she will have a control group that will her understand the effects of the fertilizer in the plant developments vs the development of the plant when no fertilizer is used.

as the atomic numbers of the elements in column iia increase, the size of the atoms generally: increase stay the same- a.