reese12345
04.12.2020 •
Chemistry
If a star is getting closer, the spectra will become red-shifted (the spectral lines will move towards the side of the red wavelengths). Will the wavelengths be longer or shorter?
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Ответ:
6.02x10^22 atoms
Explanation: 1.4 grams is (1.4g/28 g/mole) = 0.05 moles of N2.
(0.05 moles)*(6.02x10^23 molecules/mole) = 3.01x10^22 molecules
(3.01x10^22 molecules)(2 atoms/molecule) = 6.02x10^22 atoms