Be sure to answer all parts. in a future hydrogen-fuel economy, the cheapest source of h2 will certainly be water. it takes 467 kj to produce 1 mol of h atoms from water. what is the frequency, wavelength, and minimum energy of a photon that can free an h atom from water? enter your answers in scientific notation. frequency = 7.05 × 10 -32 s−1 wavelength = 4.26 × 10 -25 m minimum energy = × 10 kj/photon

Explanation:

c = Speed of light =

= Avogadro's number =

= Frequency

= Wavelength

The minimum energy is given by

The minimum energy is

The energy of a photon is given by

The frequency of the photon is

Wavelength is given by

The wavelength is

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answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )