Chemistry, 12.03.2021 23:10 melodeelathrom
Please help me understand this "Drag and drop each element symbol to its correct location on the dichotomous key".
Symbols
Br Li As Ca Sb Mg Mn V Na K Sc I S Y
Answers: 2
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How do scientists think that gravity affected the formation of our solar system?
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Chemistry, 22.06.2019 06:30
The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Chemistry, 22.06.2019 10:50
How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
Answers: 2
Please help me understand this "Drag and drop each element symbol to its correct location on the dic...
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