Robin and Alex are discussing how water molecules form when hydrogen and oxygen atoms combine. Robin writes the following chemical equation to explain the formation of water.
However, Alex has a different opinion and suggests that the chemical reaction can be better represented by using the equation below.
Why does Alex’s equation better represent the reaction?
Answers: 3
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Modern weaponry has increased the number of deaths in wars and violent conflicts.
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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
Robin and Alex are discussing how water molecules form when hydrogen and oxygen atoms combine. Robin...
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