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erica [24]
3 years ago
11

State which separation method you would use to separate potassium iodine solution​

Chemistry
1 answer:
navik [9.2K]3 years ago
3 0
Could be separated by distillation.
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Choose the element that IS NOT in the same period as Potassium.
Lesechka [4]
E. sodium is the answer

8 0
4 years ago
Fill in the chart to describe and give examples of physical changes.
frosja888 [35]

Answer:

here are some examples of physical change!!!

Explanation:

-An ice cube melting into water in your drink.

-Freezing water to make ice cubes.

-Boiling water evaporating.

-Hot shower water turning to steam.

-Steam from the shower condensing on a mirror.

8 0
3 years ago
Read 2 more answers
By the reaction of carbon & oxygen , a mixture of CO &CO2 is obtained. What is the composition by mass of the mixture ob
Hatshy [7]
M(O₂)=20g
M(O₂)=32.0 g/mol
n(O₂)=20/32.0=0.625 mol

m(C)=12 g
M(C)=12.0 g/mol
n(C)=12/12.0=1.0 mol

   2C     +     O₂      →    2CO
1 mol    0.625 mol        1 mol
         0.625-0.5=0.125 mol

      2CO    +         O₂       →        2CO₂
0.250 mol       0.125 mol       0.250 mol

n(CO)=1 mol - 0.250 mol = 0.750 mol
M(CO)=28.0 g/mol
m(CO)=0.750*28.0=21.0 g

n(CO₂)=0.250 mol
M(CO₂)=44.0 g/mol
m(CO₂)=0.250*44.0=11.0 g
4 0
3 years ago
What is the auf bau principle?
jolli1 [7]
The rule that says electrons are added to the lowest energy level first.
3 0
3 years ago
50 compounds in chemistry<br>​
Lana71 [14]

Answer:

\Large \boxed{\mathrm{view \ explanation}}

Explanation:

Chemical compounds are substances that contain two or more elements that are chemically bonded together.

Here are 50 chemical compounds:

  1. Hydrogen peroxide
  2. Fructose
  3. Sulfur hexafluoride
  4. Glucose
  5. Sulfuric acid
  6. Calcium nitrate
  7. Nitrous oxide
  8. Calcium sulfate
  9. Ammonia
  10. Hydrochloric acid
  11. Potassium nitrate
  12. Potassium nitrite
  13. Sucrose
  14. Methane
  15. Carbon dioxide
  16. Dihydrogen oxide
  17. Putrescine
  18. Chloroform
  19. Ethene
  20. Hydrazine
  21. Sodium bicarbonate
  22. Sodium chloride
  23. Acetate
  24. Magnesium sulfate
  25. Urethane
  26. Butyne
  27. Nicotine
  28. Maltose
  29. Propene
  30. Tartaric acid
  31. Nitrogen dioxide
  32. Butane
  33. Butene
  34. Propane
  35. Pentane
  36. Hexane
  37. Benzene
  38. Isobutane
  39. Ovalene
  40. Coronene
  41. Pyrene
  42. Chrysene
  43. Napthalene
  44. Acetic acid
  45. Barium iodide
  46. Aluminium oxide
  47. Aluminium fluoride
  48. Styrene
  49. Toluene
  50. Vinyl chloride
5 0
3 years ago
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