Me!

the diagram below shows the structure of an animal cell.
what is structure 2, and how does it sustain life?

a structure 2 is the cytoplasm, which contains organelles and is the site of many cell processes.

b structure 2 is the cell membrane, which controls what enters and leaves the cell.

c structure 2 is a chloroplast, which is the site of photosynthesis.

d structure 2 is the nucleus, contains the cells genetic material and serves as the control center of the cell.

Nucleus

Explanation:

structure 2 is the nucleus of the animal cell. Its contains the genetic materials of the cell. It also control the overall process of the cell

here we have to get the change of moles on decrease the volume of the reaction in gas phase.

the   per the given options it will decrease by (d) 11-50%

we know, on decreasing the volume of the gas phase reaction the reaction moves to the product side.

the reaction:                     so₂cl₂ (g) = so₂ (g) + cl₂ (g)         total

the moles at equilibrium:   1 - α                 α               α           = 1+α

concentrations:                   1 - α               α               α           = 1 + α

(concentration = moles/volume, as volume is 1 l)

(where α is the degree of dissociation)

now the dissociation constant in terms of concentration is :

=  

or,

or,   = (at v = 1l)

the reaction:                     so₂cl₂ (g) = so₂ (g) + cl₂ (g)         total

the moles at equilibrium:   1 - α                 α               α           = 1+α

concentrations:               (1 - α)/0.5           α/0.5         α/0.5       = (1 + α)/0.5

thus, the dissociation constant in terms of concentration is :

or,  

=  

so, the change of 1 : 1/0.5

or, 1: 2

thus it will decrease by 50%.

or, as per the given options it will decrease by 11-50%

chemistry sucks a**

explanation: