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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 01:00
The primary products of complete combustion of fossil fuels are a. carbon dioxide and water b. methane and water c. carbon monoxide and water d. carbon dioxide and carbon monoxide
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Chemistry, 23.06.2019 03:30
The molar mass of nickel(ni) is 58.7 g/mol. how many moles are in an 88 gram sample of nickel?
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History, 06.07.2019 19:30
History, 06.07.2019 19:30
Biology, 06.07.2019 19:30
History, 06.07.2019 19:30
Mathematics, 06.07.2019 19:30
Biology, 06.07.2019 19:30
Mathematics, 06.07.2019 19:30
Mathematics, 06.07.2019 19:30