What is the energy of a photon with a frequency of 1.7 x 1017 hz? planck's constant is 6.63 x 10-34 jos.
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1.1 10-17)
1.1 * 10-16
8.3 x 10-16 j
8.3 x 10-15 ]

Which of the following would have less momentum than a 52 kg cheetah running at 10 m/s?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

What must occur for air masses to form fronts