Chemistry of Mars NASA's 1997 mission to Mars included a small robot, the Sojourner, that analyzed the composition of Martian rocks. Magnesium oxide from a boulder dubbed "Barnacle Bill" was analyzed and found to have the following isotopic composition: Mass (u) Natural Abundance (%) 39.9872 78.70 40.9886 10.13 41.9846 11.17 If essentially all of the oxygen in the Martian MgO sample is oxygen-16 (which has a mass of 15.9948 u), is the average atomic mass of magnesium on Mars the same as on Earth (24.31 u)?
Chemistry of Mars NASA's 1997 mission to Mars included a small robot, the Sojourner, that analyzed the composition of Martian rocks. Magnesium oxide from a boulder dubbed "Barnacle Bill" was analyzed and found to have the following isotopic composition: Mass (u) Natural Abundance (%) 39.9872 78.70 40.9886 10.13 41.9846 11.17 If essentially all of the oxygen in the Martian MgO sample is oxygen-16 (which has a mass of 15.9948 u), is the average atomic mass of magnesium on Mars the same as on Earth (24.31 u)?
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
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Transcribed Image Text:Chemistry of Mars NASA's 1997 mission to Mars included a small robot, the Sojourner,
that analyzed the composition of Martian rocks. Magnesium oxide from a boulder dubbed
"Barnacle Bill" was analyzed and found to have the following isotopic composition:
Mass (u)
Natural Abundance (%)
39.9872
78.70
40.9886
10.13
41.9846
11.17
If essentially all of the oxygen in the Martian MgO sample is oxygen-16 (which has a
mass of 15.9948 u), is the average atomic mass of magnesium on Mars the same as on
Earth (24.31 u)?
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