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CHEM 1A (149)
Lecture 6

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Department
Chemistry
Course
CHEM 1A
Professor
Amanda Brindley
Semester
Winter

Description
Heisenberg Uncertainty Principle - we canʼt know both the momentum and position of a particle w/ exact certainty - momentum = mass x velocity (p = m * v) - uncertainty of momentum decreases => your measurements of position will increase // vice versa - uncertainty in position increases when uncertainty in velocity decreases EX. delta(x)delta(p) > h/(4pi) ▯ p = m*delta(v) ▯ delta(x) = 0.5m position ▯ m = 1300 kg mass ▯ delta(v) = ? velocity => 0.5m(1300kg)delta(v) > h/(4pi) ▯ = delta(v) = 8.112 x 10^ (-38) m/s Debroglie Wavelength - describing matter as a w
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