When sulfur trioxide gas reacts with water, a solution of sulfuric acid forms.Express your answer as a balanced chemical equatio
1 answer:
Answer:
Explanation:
According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.
The phases are represented as (s) for solid sate, (l) for liquid state, (g) for gaseous state and (aq) for aqueous state.
Thus the balanced chemical equation for :sulfur trioxide gas reacts with water, a solution of sulfuric acid forms is :
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The smallest observable object for an electron microscope is 6.6nm.
<h3>Calculation of smallest observable object for an electron microscope :</h3>Given,
Speed of electron (u) = 5.5 x 10⁴ m/s
De Broglie's formula,
wavelength, λ =h/mu
where,
h = Planck's constant = 6.626 x Js
m = mass of electron, 9.11 x kg
λ =h/mu
= 6.626 x Js /9.11 x
kg x 5.5 x 10⁴ m/s
= 0.132 x m
= 13.2 x m
It is well known that the smallest thing that can be observed under any microscope is identical to the radiation's wavelength for the smallest object that can be seen under an electron microscope.
Therefore, 13.2 x m/2
= 6.6 x m
= 6.6 nm
Hence, the smallest observable object for an electron microscope is 6.6nm.
Learn more about electron microscope here:
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