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Chemistry, 21.06.2019 16:50
What is the composition, in atom percent, of an alloy that consists of 4.5 wt% pb and 95.5 wt% sn? the atomic weights for pb and sn are 207.19 g/mol and 118.71 g/mol, respectively.(a) 2.6 at% pb and 97.4 at% sn(b) 7.6 at% pb and 92.4 at% sn(c)97.4 at% pb and 2.6 at% sn(d) 92.4 at% pb and 7.6 at% sn
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Chemistry, 21.06.2019 20:00
Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star
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Which are forms of frozen water? check all that apply. dew frost hail rain sleet
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Rutherford calculated that a gold atom is about 10,000 larger than its nucleus. Thinking about his e...
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