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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 00:00
What does an electron configuration for an atom relate to the atoms placement on the periodic table
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Chemistry, 23.06.2019 16:00
Water is called the universal solvent because more substances dissolve in water than in any other chemical. this has to do with the polarity of each water molecule. the hydrogen side of each water (h2o) molecule carries a slight positive electric charge, while the oxygen side carries a slight negative electric charge.
Answers: 3
If the atomic mass of 1 oxygen atom is 15.9994 amu, how much mass does of oxygen have?...
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