Chemistry, 11.01.2020 14:31 amourrrblackkkk
The sun is composed mostly of hydrogen. the mass of the sun is 2.0x10^30 kg, and the mass of a hydrogen atom is 1.67x10^-27 kg. estimate the number of atoms in the sun.
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If two objects at different te,peraure are in contact with each other what happens to their temperature
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What is the energy in joules of a mole of photons associated with visible light of wavelength 486 nm?
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The sun is composed mostly of hydrogen. the mass of the sun is 2.0x10^30 kg, and the mass of a hydro...
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