Answer : The energy for vacancy formation in silver is,
Explanation :
Formula used :
or,
So,
where,
= equilibrium number of vacancies =
E = energy = ?
M = atomic weight = 107.9 g/mole
= Avogadro's number =
= density =
T = temperature =
K = Boltzmann constant =
Now put all the given values in the above formula, we get:
Therefore, the energy for vacancy formation in silver is,
WBC's that stands for white blood cells, that are cells of the immune system. It helps to protect the body from various infectious diseases. There are different types of white blood cells in the body like T cells, B cells, monocytes etc. And is circulated in the body by the circulatory system and thus helps in the recovery from the infection.
Thus, immune and circulatory are two organ systems that are involved in the recovery of the infection.
Answer:increase
Explanation: the more electrons there are the bigger the electron field is and the bigger the atomic radii is
Answer:
Option A
Explanation:
Number of millimoles of Na3PO4 = 1 × 100 = 100
Number of millimoles of AgNO3 = 1 × 100 = 100
When 1 mole of Na3PO4 is dissociated we get 3 moles of sodium ions and 1 mole of phosphate ion
When 1 mole of AgNO3 is dissociated, we get 1 mole of Ag+ and 1 mole of NO3-
As Ag+ concentration is negligible, the dissociated Ag+ ion must have form the precipitate with phosphate ion and as number of moles of Ag+ and phosphate ion are same, therefore the concentration of phosphate ion must be negligible
Here as 100 millimoles of Na3PO4 is there, we get 300 millimoles of Na+ and 100 millimoles of PO43-
And as 100 millimoles of AgNO3 is there, we get 100 millimoles of Ag+ and 100 millimoles of NO3-
∴ Increasing order of concentration will be PO43- < NO3- < Na+