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Sophie [7]
3 years ago
13

4. Complete the reaction : Copper Sulphate (Cuso.) + Iron (Fe)-> + Copper ( Cu) ,1. Zinc Sulphate ( ZnSO2) ,

Chemistry
1 answer:
Margaret [11]3 years ago
4 0

Answer:

3.ferrous sulphate (FeSOA)

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18

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the numbers at the top tell you

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A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.05 nm. It then gives off a photon having a wave
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Absorbed photon energy
Ea = hc/λ.. (Planck's equation)
Ea = hc / 92.05^-9m 

<span>Energy emitted
Ee = hc/ 1736^-9m </span>

Energy retained ..
∆E = Ea - Ee = hc(1/92.05<span>^-9 - 1/1736^-9) </span>
<span>∆E = (6.625^-34)(3.0^8) (1.028^7)
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<span>Converting J to eV (1.60^-19 J/eV)
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∆E = 12.70 eV </span>

<span>Ground state (n=1) energy for Hydrogen = - 13.60eV </span>

<span>New energy state = (-13.60 + 12.70)eV = -0.85 eV </span>

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3 years ago
How Does The Modern Periodic Table Arrange Elements? By Atomic Mass By Atomic Number
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In the Penny Lab that we ran, what is the independent variable? Question 1 options: the soap the number of water drops the penny
motikmotik

Answer:

I'd say it's the number of water drops.

Explanation:

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