Exam 4 Flashcards
Titration is ____
the way to figure out the unknown concentration of a solution using the measured addition of a solution the concentration(molarity) is known for
Molarity
(mol solute/L solution)
a wave is ____
a repeating pattern of motion that transfers energy from place to place without overall displacement of matter
frequency is _____
number of wave cycles that pass a fixed point in 1 second
Speed of a light wave equation ?
velocity = wavelength x frequency
speed of light?
3.00 x108 meters/second
photon is?
a particle of light
energy of a photon is directly proportional to its_____
frequency
E≈V
energy of a photon equation?
E= H x V
H(planks constant)= 6.626 x10-34 J•S
planks constant (h)=
6.626x10-34 J•S
Wave-Particle duality is ___
electromagnetic waves have→particle like properties
particles have →wavelike properties
ground state is___
electrons are all in the lowest-energy orbitals available
Excited State is_____
electrons are in higher enery orbitals than ground state
zero energy for a hydrogen atom is set at____
the farthest point from the nucleus
Rydberg constant (RH)=
2.18x10-18 J
De Broglie said ___
“all particles, particles of light and particles of matter, experience wave-particle duality”
the smaller the mass of a wave?
(in relation to length)
the longer the length of a wave
Hiesenburg said____
you cannot precisely measure the postion and velocity of a electron in a wave at the same time
orbitals are___
electron probability densities
