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Explain why chemical changes are useful. Chemical changes are useful
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Chemistry, 22.06.2019 12:00, daytonalive83481
Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.
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Chemistry, 22.06.2019 15:40, alleshia2007
Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n
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Chemistry, 22.06.2019 16:00, anferneebcoleman
How many moles of oxygen react with 12 moles of aluminum
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