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Chemistry, 22.06.2019 18:30
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
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Chemistry, 23.06.2019 07:30
The compound formed from 2 atoms of hydrogen and one atom of oxygen is
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An iron atom has a mass of 9.27(10)^-23 g and a cooking pot...
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