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Chemistry, 22.06.2019 01:30
There are main groups in the modern periodic table of elements
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Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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Chemistry, 22.06.2019 14:30
Connect the whole numbers on the periodic table to indicate what they represent?
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What is the wavelength of a 3*10^12 hz infrared wave a 3*10^20m b 1* 10^4m c 3*10^-3m d 1*10^-4 m
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Consider a situation in which 136 g of p4 are exposed to 144 g of o2.what is the maximum number of m...
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