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Sergeeva-Olga [200]
3 years ago
10

What is the velocity of a electron whose wavelength is 100 pm?

Chemistry
1 answer:
Anni [7]3 years ago
5 0

Answer:

v = 7.3 × 10⁶ m/s

Explanation:

Given data:

Velocity of electron = ?

Wavelength = 100 pm

Solution:

Formula:

λ = h/mv

λ = wavelength

h = planck's constant

m = mass

v = velocity

Now we will put the values in formula.

100 ×10⁻¹² m = 6.63 × 10⁻³⁴ j.s / 9.109 × 10⁻³¹ kg ×  v

v = 6.63 × 10⁻³⁴ kg.m²/s /  9.109 × 10⁻³¹ kg ×100 ×10⁻¹² m

v = 6.63 × 10⁻³⁴ m/s /910.9 × 10⁻⁴³

v = 0.0073  × 10⁹ m/s

v = 7.3 × 10⁶ m/s

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2. The rate of disappearance of O_2

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Learn more about rate law

brainly.com/question/13019661

https://brainly.in/question/1297322

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If you have 6 moles of reactant A and excess of B and C, how much product E would be formed
pychu [463]
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Hope this helps!
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3 years ago
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