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Chemistry, 21.06.2019 20:30
Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground
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Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
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Chemistry, 23.06.2019 01:20
Use the de broglie's wave equation to find the wavelength of an electron moving at 7.3 × 106 m/s. show your work. note: h = plank's constant (6.62607 x 10-34 j s)
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Which equation is balanced? Na+F2→2NaF 2Mg+O2→2MgO Al+3F2→AlF3 2Al+3O2→Al2O3...
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