and 1 atm that exhaled by a group of 4. (a) Calculate the volume of carbon dioxide at 25 degrees * C would be produced by complete fermentation of the amount of sucrose you used. (b) In one study, the amount of CO 2 subjects was 469 L/day per person. Use this value to estimate the vol CO 2 ume of you exhaled during this experiment, and compare it with the volume of CO 2 produced by your fermentation reaction. (a) Calculate the atom economy and reaction efficien

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

  the   balanced   equation   for   reaction of   ca metal   with   o2 to   produce   cao   is as below

2 ca+ o2→ 2 cao2

  explanation

the reaction is   balanced     since the   number of atoms   in reactant side is   equal to   number of atoms   in   product side.   for   example   they   are 2   atom of   ca in   reactant   side   and   2   atoms of ca   in   the product side.

  the   process   is a   meet the   requirement   of   redox   reaction because :     calcium   is   oxidized   from   oxidation state 0   to 2+   while   oxygen   is reduced from   oxidation   state   0   to 2-

the answer is symmetrical : )