Chemistry, 23.01.2020 10:31 FailingstudentXD
When energy is added or removed, is it a physical change, a chemical change, or both?
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Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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State one important difference between a physical change and a chemical change?
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Carbon-14 undergoes radioactive decay in the reaction above. determine the type of radiation emitted in this reaction and describe what is happening to the nucleus during this reaction.
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When energy is added or removed, is it a physical change, a chemical change, or both?...
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