How many o atoms are in 1.25 mol of so2

The number   of  O atoms  that ate in 1.25  mol   of SO2  is  2.5  moles

  calculation

moles of O= total number O atoms in SO2    x  1.25  moles

The number  of  O  atoms in SO2 =   1  x2 = 2 atoms

moles is therefore=   2  x 1.25 moles = 2.5 moles

why is cellular respiration important for homeostasis?

it changes food into energy that the organism can use.

which of the following is most likely to happen if a cell is not able to divide?

the cell will not be replaced when it is damaged.

explanation:

"standard molar enthalpy:

h2o ( liquid water ) : - 285.8 kj/mole

h2o ( water vapor ) : - 241.8 kj / mole.

δhrxn = - 241. 8 - ( - 285.8 )= -241.8 + 285.8 = 44.0

answer: 44.0 kj"