The answer to the question stated above is cumulus clouds.
<span>When looking up at the clouds, you can usually make out different shapes and figures with cumulus clouds.
</span>Cumulus <span>low-level clouds. They </span>are the puffy, white, cotton-top clouds that look so soft.
If the number of neutrons are changed in an atom, it makes an isotope of that atom. In an atom number of protons is equal to number of electrons.
we can find the number of neutrons by subtracting atomic number from the mass of an atom.
here atomic mass of iron isotope is 55 and we know from periodic table that atomic number of iron is 26 so 55 -26 = 29
there are 29 neutrons.
Answer: (i) blue colour fades away
(ii) Single replacement
(iii) copper sulphate + iron
iron sulphate + copper
Explanation:
Single replacement reaction is a chemical reaction in which more reactive element displaces the less reactive element from its salt solution.
Here iron being more reactive than copper can easily displace copper from its salt solution and form iron sulphate and copper in elemental form.
The blue colour of the copper sulphate solution fades away.
The word equation is :
copper sulphate + iron
iron sulphate + copper
Answer:
0.010g of C-14 would be later after 50,000 years
Explanation:
The kinetics of radioactive decay follows the equation:
Ln (N / N₀) = -kt
<em>Where N could be taken as mass after time t, </em>
<em>N₀ initial mass = 4.30g;</em>
k is rate constant = ln 2 / t(1/2)
<em>= ln 2 / 5730years = 1.2097x10⁻⁴ years ⁻¹</em>
<em />
Replacing:
Ln (N / 4.30g) = -1.2097x10⁻⁴ years ⁻¹ * 50000 years
N / 4.30 = 2.36x10⁻³
N =
<h3>0.010g of C-14 would be later after 50,000 years</h3>
The Structure of polypropylene(C3H6)n is linear.
- The chemical formula for polypropylene is (C3H6)n.
- It is a polymer with complex structure and also known as polypropene.
- Polypropylene is similar to polyethylene which belongs to polyolefin groups.
- Generally the polymers are synthesized from the polymerization process.
- What is polymerization?
The process in which atom or small molecules joined together repeatedly to form a polymer with complex structure is called as polymerization.
The repeated unit of atom or small molecule is called monomer
<h3>
Structure of polypropylene</h3>
Polypropylene is synthesized from the polymerization of propylene which is the monomer unit.
It has a linear structure made of propylene hydrocarbon units.
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