The boundary between cold and warm air masses is called a .
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front
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Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?
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Give the orbital configuration of the phosphorus (p) atom.
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Which liquid (h2o, h2o + soap, or h2o + salt) has the strongest cohesion and adhesion? (need now plz)
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