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14 godz. temu · Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth. The velocity of the galaxies has been determined by their redshift, a shift of the light they emit toward the red end of the visible ...
11 godz. temu · (a) A given gas mixture consists of 2.24 mol of nitrogen and 1.37 mol of oxygen; (a) Use the ideal gas equation to calculate the total pressure of 10 m3 of the gas mixture at 273 K. (b) Use the mole fraction of the respective components of the gas mixture to calculate the corresponding partial pressures. 11
