He contains the largest number; Fe contains the smallest number.
One mole of anything contains the same number (Avogadro’s number) of particles as one mole of anything else, so all we must do is decide which sample contains the most moles.
Moles = mass/molar mass or n = m/MM
Thus,
No. of atoms ∝ n ∝ 1/MM.
The element with the smallest molar mass, He, has the largest number of atoms.
The element with the largest molar mass, Fe, has the smallest number of atoms.
Since none answered from Indian NCERT yet, let me give a simple definition from ICSE..
Latent Heat of vapourisation is the heat energy required to convert unit mass of a substance from liquid to vapour state WITHOUT ANY CHANGE IN ITS TEMPERATURE....
hope this helps!
Answer:
Explanation:
Hello,
In this case, for the STR reactor carrying out this chemical reaction, the material balance is:
Thus, with the given information we compute the rate constant as follows:
Now, for the CSTR we have the following design equation in terms of conversion for finding the volume:
Therefore, it turns out:
Best regards.
The formula is simple.
Kinetic energy = Photon energy - Binding energy
In some places, binding energy is also called work function.
So, Photon energy =
=
(Here we multiply lambda by 10^(-9) to change nm to m)
=
J
Change it to ev from Joule (J)
so, Photon energy =
J =
= 7.8 eV
Now, KE = 7.8 - 3.31 = 4.57 eV
Done !!!