Chemistry, 30.07.2019 13:40 docholiday
Apiece of magnesium ribbon reacts with hydrochloric acid to produce magnesium chloride. what is the empirical formula of the compound, that is 25.3% magnesium and 74.7% chlorine.
Answers: 1
Chemistry, 22.06.2019 10:10
When water dissociates, each water molecule splits into a hydroxide ion and a) h 3 o + b) a hydrogen atom c) a hydrogen ion d) h 2 o e) oh —
Answers: 2
Chemistry, 22.06.2019 14:50
Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
Answers: 1
Chemistry, 22.06.2019 22:30
Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.
Answers: 1
Chemistry, 23.06.2019 10:00
An uncovered pot of water lies out in the sun. which statements correctly describe what happens at the surface of the liquid water? 1. the vapor pressure remains constant regardless of the water temperature. 2. the vapor pressure is produced by water molecules that have evaporated. 3. the vapor pressure increases as the sun heats the water in the pot. 4. evaporation stops once the vapor pressure reaches a certain point. 5. evaporation and condensation both occur on the liquid’s surface.
Answers: 3
Apiece of magnesium ribbon reacts with hydrochloric acid to produce magnesium chloride. what is the...
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