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Chemistry, 21.06.2019 22:30
Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?
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In saturated organic compounds, all the bonds between carbon atoms are called?
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According to periodic trend, which of the following most likely has the highest ionization energy? kr be ni sc
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Chemistry, 22.06.2019 22:00
4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.
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Xà phòng hóa hoàn toàn 10,56 gam CH3COOC2H5 bằng 1 lượng dung dịch NaOH vừa đủ. Cô cạn dung dịch sau...
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