Heat Flashcards
what is Planck’s constant?
6.63 x 10^-34
solving for EM radiation, what is energy equal to?
E=hv (h is Planck’s constant & v is frequency)
solving for EM radiation, what is speed equal to?
C=λv (C is speed & λ is wavelength & v is frequency)
what is speed equal to?
3.0 x 10^8
according to Neil’s Bohr model, what is the equation for calculating energy transfer as electrons jump?
(-2.18 x 10^-18) (1/n^2 final - 1/n^2 initial)
what does it mean if nfinal > ninitial or vise versa?
nfinal > ninitial (absorb photon)
nfinal < ninitial (emit photon)
what is calorimetry?
g -> mol -> heat
what are the steps of calorimetry?
qrxn = -qwater
if qrxn is exothermic, temperature of water will increase
if qrxn is endothermic, temperature of water will decrease
what is the EM spectrum from largest wavelength to smallest?
Radio < Microwave < Infrared < Visible < UV < X-ray < Gamma