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likoan [24]
3 years ago
14

What was one idea Dalton taught about atoms

Chemistry
2 answers:
gogolik [260]3 years ago
4 0

The main points of Dalton's atomic theory, as it eventually developed, are: Elements are made of extremely small particles called atoms. Atoms of a given element are identical in size, mass and other properties; atoms of different elements differ in size, mass and other properties.

USPshnik [31]3 years ago
3 0

According to Dalton's atomic theory :

  • All matter is made up of atoms which are indivisible and indestructible.
  • Atoms of the same element have the same property and same mass.
  • Compounds are made up of atoms of different elements.
  • Atoms are rearranged in a chemical reaction.

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Using the Hoffman apparatus for electrolysis, a chemist decomposes 2.3 moles of water into its gaseous elements. How many grams
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Answer:

2.318032g

Explanation:

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2H_2O_{(l)}->2H_2_{(g)}+O_2_{(g)}

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Mass=moles\times molar \ mass\\\\\=2.3\times 1.00784\\\\=2.318032\ g

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5 0
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Read 2 more answers
What is the necessary voltage to power the electrolysis of molten sodium chloride?
sammy [17]

4V  is the necessary voltage to power the electrolysis of molten sodium chloride.

To create sodium metal and chlorine gas, molten (liquid) sodium chloride can be electrolyzed. A Down's cell is the name of the electrolytic cell utilised in the procedure. The liquid sodium ions in a Down's cell are converted to liquid sodium metal at the cathode. Liquid chlorine ions are oxidised to chlorine gas at the anode. Below is an illustration of the reactions and cell potentials:

oxidation: 2Cl^{-} (l) → Cl_{2} (g) + 2e^{-}                                  E°= -1.36V

reduction: Na^{+} (l) + e^{-} → Na (l)                                    E°= -2.71V

overall : 2Na^{+} (l) + 2Cl^{-} (l) → 2Na(l) +Cl_{2} (g)              E°_{cell} = -4.07V

For this electrolysis to take place, the battery needs to supply more than 4 volts. The only means to obtain pure sodium metal is by this reaction, which also serves as a significant source of chlorine gas generation. Swimming pools and other surfaces are frequently cleaned and disinfected with chlorine gas.

Learn more about sodium chloride here;

brainly.com/question/9811771

#SPJ4

6 0
2 years ago
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