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 1 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 on periodic table period 2 or lower. 3 or lower. 4 or lower. 5 or lower. At constant pressure, the combustion of 5.00 g of C_2 H_6 (g) releases 259 kJ of heat. What delta H for the reaction given below? 2 C_2 H_6 (g) + 7 O_2 (g) rightarrow 4 CO_2 (g) + H_2 O(l) -43.2 kJ -779 kJ -1560 kJ -3101 kJ in the following diagram of a wave (a) is amplitude and (b) is wavelength (a) is frequency and (b) is amplitude (a) is wavelength and (b) is frequency (a) is amplitude and (b) is frequency (a) is wavelength and (b) is amplitude

Explanation / Answer

18 c Volume will increase and work will be done by the system.

work will be done by the insulated system as the expanded gas in the reaction lifts the piston. In this case work done is positive as work was done by the system ie lifting of outfitted movable piston with expansion of gas.

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