Equal chemical equations!
H2 + Cl2 > HCl
P4 + O2 > P4O10
Na + Cl2 > NaCl
CH...
Answers: 3
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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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What are the similarities of physical and chemical change ?
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Air can be considered a mixture. which statement does not explain why?
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