A chemical company makes pure silver by reacting silver nitrate with Zinc. the company needs to make 800 grams of pure silver fo
1 answer:
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The change of energy : 4.8744 x 10⁺¹⁹ J
<h3>Further explanation</h3>Radiation energy is absorbed by photons
The energy in one photon can be formulated as
Where
h = Planck's constant (6,626.10⁻³⁴ Js)
f = Frequency of electromagnetic waves
f = c / λ
c = speed of light
= 3.10⁸
λ = wavelength
The wavelength is 4078 A = 4.078 x 10⁺⁷ m
Answer: 11.25 moles of will be required to completely react with 2.25 moles of
.
Explanation:
The balanced chemical equation is:
According to stoichiometry :
1 mole of require = 5 moles of
Thus 2.25 moles of will require=
of
Thus 11.25 moles of will be required to completely react with 2.25 moles of
.