74.0 MB (5.1 MB compressed)
5877 x 4400 pixels
49.8 x 37.3 cm ⏐ 19.6 x 14.7 in (300dpi)
GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY GIPHOTOSTOCK / SCIENCE PHOTO LIBRARY
Aluminum is more reactive than copper. Hence, when copper coil was added to a test tube containing a 0.2M aluminum sulfate solution, no displacement reaction took place (left frame). On the contrary, when aluminum coil was added to a test tube containing a 0.2M copper (II) sulfate solution, a single-displacement reaction occurred (right frame). Copper metal and aluminum sulfate formed as a result: Al + CuSO4 -> Cu + Al2(SO4)3.
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