Answer:
Number of times a one pound (2.2 kg) block of iron can be split in half before it stops being iron
= 84.29 times
Explanation:
Atoms : It is the smallest indivisible particle of the matter .
The atom can not be further breakdown .
Here in this question , we have to find the number of atoms (because it is the last possible situation for breaking of atom)
Mole : The quantity of the substance that contain as many particles as present in 12 g of C-12.It is quantity which Avogadro number(N0) of particles

<u>1.First calculate the number of moles of Fe in 2.2Kg Block</u>
Mass of Iron (Fe) = 55.845 amu
Molar mass of Iron = 55.845 g
Given mass = 2.2 kg
1 kg = 1000 g
2.2 kg = 2200 g

![moles = \frac{2200}{55.845}Moles of Fe = 39.39 2.Calculate the number of particles of Fe in 39.39 moles of Block[tex]moles = \frac{Number\ of\ Particles}{Avogadro\ number}](https://tex.z-dn.net/?f=moles%20%3D%20%5Cfrac%7B2200%7D%7B55.845%7D%3C%2Fp%3E%3Cp%3E%3Cu%3E%3Cstrong%3EMoles%20of%20Fe%20%20%3D%2039.39%20%3C%2Fstrong%3E%3C%2Fu%3E%3C%2Fp%3E%3Cp%3E2.C%3Cu%3Ealculate%20the%20number%20of%20particles%20of%20Fe%20in%2039.39%20moles%20of%20%20Block%3C%2Fu%3E%3C%2Fp%3E%3Cp%3E%5Btex%5Dmoles%20%3D%20%5Cfrac%7BNumber%5C%20of%5C%20Particles%7D%7BAvogadro%5C%20number%7D)

moles = 39.39



atoms
<u>3.Calculate Number of time(n), the block is </u><u>split into -Half </u>
Take log both side ,

Solve for n, you get
n= 84.29 (convert it to nearest whole number)
n = 84 times
Answer:
Explanation:
Covalent bond:
It is formed by the sharing of electron pair between bonded atoms.
The atom with larger electronegativity attract the electron pair more towards itself and becomes partial negative while the other atom becomes partial positive.
Non polar covalent bond:
It is the bond where both bonded atoms share the pair of electron equally.
For example:
Hydrogen gas (H₂) is non polar covalent compound because the electronegativity of both bonded atoms are same. No poles are created that's why this is non polar covalent compound.
Polar covalent bond:
It is the bond where both bonded atoms share the pair of electron unequally.
For example:
In water the electronegativity of oxygen is 3.44 and hydrogen is 2.2. That's why electron pair attracted more towards oxygen, thus oxygen becomes partial negative and hydrogen becomes partial positive and bond is polar.
Answer:
Make nitrous oxide or laughing gas by heating ammonium nitrate and collecting the vapor by bubbling it up into a container over water. ... It's easy to make nitrous oxide or laughing gas at home or in the lab. All you need is a heat source and ammonium nitrate
Explanation: