Chemistry, 29.11.2021 23:10 dewayne16641
A compound is a substance composed of two or more elements in a fixed ratio. true or false?
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How have the greenhouse gasses increased from the year 2000 to 2018
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Chemistry, 22.06.2019 13:50
Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.
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Chemistry, 22.06.2019 21:30
Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h
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Chemistry, 23.06.2019 04:20
Calculate the mass of 0.750 mol of the following substance. na3po4.
Answers: 1
A compound is a substance composed of two or more elements in a fixed ratio. true or false?...
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