What is expected when the reaction shown below takes place in a thermally-insula

Question

What is expected when the reaction shown below takes place in a thermally-insulated container outfitted with a movable piston at a constant atmospheric pressure of 1 atm? 2 C_2 H_6 (g) + 7 O_2 (g) rightarrow 4 CO_2 (g) + 6 H_2 O(g) Volume will decrease and work will be done by the system. Volume will decrease and work will be done on the system. Volume will increase and work will be done by the system. Volume will increase and work will be done on the system. Within a given shell of a multi electron atom, the lower l for an orbital, the higher the orbital energy and the higher Z_eff for the electron. higher the orbital energy and the lower Z_eff for the electron. lower the orbital energy and the higher Z_eff for the electron. lower the orbital energy and the lower Z_eff for the electron. Elements that can accommodate more than eight electrons in their valence shell occur only in periodic table period 2 or lower. 3 or lower. 4 or lower. 5 or lower.

Explanation / Answer

18

en the reaction shown below takes place in a thermally insulated container outfitted with a moveable piston at a constant pressure of 1 atm?
2 C2H6 + 7 O24 CO2 + 6 H2O, volume and work

Answer

volume will increase and work will be done by the system

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19 option c

Answer : lower the orbital energy and the higher Zeff for the electron.

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20 Elements that can accommodate more than eight elctrons in their valence shell occur only in periodic table period

Answer b) 3 or lower

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