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Naddik [55]
3 years ago
12

What does Avogadro's number represent?

Chemistry
2 answers:
Elza [17]3 years ago
7 0
Avogadro's number: 6.022*10^{23} represents the number of molecules, atoms, or ions in the mole of a substance. 

I hope this helps you!
DIA [1.3K]3 years ago
5 0
The number 6.022 × 1023 indicating the number of atoms or molecules in a mole of any substance
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The nuclear mass of 56fe is 55.9207 amu. calculate the binding energy per nucleon for 56fe.
Aneli [31]

Fe (iron) has 26 protons,30 neutrons and 26 electrons. In order to calculate the binding energy, first you need to find the total mass of all particles in the nucleus:

<span>
<span>26 x mass of proton + 30 x mass of neutron ( all in a.m.u.) = say "m" </span></span>

<span>
Mass defect is m- 55.9207 amu, then convert it into grams and put in equation E = mc2 to get binding energy of Fe.</span>

<span> Divide it by number of nucleons to get binding energy per nucleon</span>.

8 0
3 years ago
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What atom has 48 neutrons,and 32 protons
Mekhanik [1.2K]
Germanium as it has 32 protons
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4 years ago
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How to balance _h2s+ _o2 = _h2o+ _s
goldfiish [28.3K]

Answer:

<u>2</u>H₂S + <u>1</u>O₂ → <u>2</u>H₂O + <u>2</u>S

Explanation:

<u>SOLUTION :-</u>

Balance it by using 'hit & trial' method , and you'll get the answer :-

<u>2</u>H₂S + <u>1</u>O₂ → <u>2</u>H₂O + <u>2</u>S

<u></u>

<u>VERIFICATION :-</u>

<em>In reactant side of equation :-</em>

  • Number of atoms in H = 2×2 = 4
  • Number of atoms in S = 2×1 = 2
  • Number of atoms in O = 1×2 = 2

<em>In product side of equation :-</em>

  • Number of atoms in H = 2×2 = 4
  • Number of atoms in O = 2×1 = 2
  • Number of atoms in S = 2×1 = 2

Number of atoms of each element is equal in both reactant & product side of equation. Hence , the equation is balanced.

5 0
3 years ago
How do you neutralize an acid?​
nasty-shy [4]

Answer:

by using a base

Explanation:

when you put base to acid, it will form a salt and base

8 0
3 years ago
In the outer layer of the sun, energy is transported outward by the rising of hot plasma and sinking of cooler plasma. This tran
maks197457 [2]

Answer:

solar flares

Explanation:

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