Chemistry, 27.05.2021 20:50 arturocarmena10
What is the wavelength, in meters, of light with an energy of 7.92x10-19 j? The value of
Plank's constant, h, is 6.626x10-34 J s and the speed of light, c, is 2.998x108 m/s. The
formulas you will need: wavelength= speed of light/ frequency AND energy= plank's
constant x frequency.
Answers: 2
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How would the number of moles (n) of o2 change if the atmospheric pressure doubled but all other variables stayed the same
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Balance and in which category does it fit in? single or double displacement or synthesis or decomposition? (a) k2 o → k + o2 (b) na + i2 → nai (c) cu(no3 )2 + naoh → cu(oh)2 + nano3 (d) kclo3 → kcl + o2 (e) ca(no3 )2 + hbr → cabr2 + hno3 (f) sn(oh)2 → sno + h2 o (g) p4 + n2 o → p4 o6 + n2 (h) fe + al2 (so4 )3 → feso4 + al (i) alcl3 + na2 co3 → al2 (co3 )3 + nacl (j) c3 h6 + o2 → co2 + h2 o
Answers: 1
What is the wavelength, in meters, of light with an energy of 7.92x10-19 j? The value of
Plank's co...
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