How do scientists know what is the composition of something
How do scientists know what is the composition of something? i.e. when they mention that "oxygen was obtained" how can they identify the element or compound without a doubt?
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an isomerisation reaction of a substance a to form substance b is first order in a laboratory class one student group
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how do scientists know what is the composition of something ie when they mention that oxygen was obtained how can they
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1 you have a 22 g sample of ethanol with a density of 07893 gml what volume of ethanol do you have2 what mass of lead
an inductor with an inductance of 260h and a resistor with a resistance of 140ohms are connected to the terminals of a
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