The forces in NH3 includes the vanderwaals force which will always be present and hydrogen bonding due to the electronegativity of N as compared to H. When it is in solution, there will be ionic interactions because there will be some NH4+ ions formed.
The answer is 0.365:100.
v/c ratio represents ratio of speed of an electron (v) to the speed of light (c).
How is the speed of an electron calculated?
- The speed of an electron (v) is given by Bohr's model as-
Now, for the first excited state, n = 2.
e - Charge of electron = 
×
C
h - Plank's constant = 
×
ε₀- permittivity 
×
- Put the above data in the formula-
- Now, the speed of light, c =
×
- Thus, the v/c ratio for an electron in the first excited state is calculated as-
= 
- Hence, the v/c ratio = 0.365:100.
To learn more about the speed of an electron (v), visit:
brainly.com/question/13198566
#SPJ4
Answer:
11.442E23molecules
Explanation:
Given data:
Number of moles of water = 1.9 mol
Number of molecules of water = ?
Solution:
The given problem will solve by using Avogadro number.
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
The number 6.022 × 10²³ is called Avogadro number.
For example,
18 g of water = 1 mole = 6.022 × 10²³ molecules of water
In 1.9 moles:
1.9 mol × 6.022 × 10²³ molecules / 1 mol
11.442 × 10²³ molecules
In e notation:
11.442E23 molecules
