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In order to make chemistry lessons more interesting, 111 chemistry videos are being developed by scientists and lecturers from Chemicum of University of Tartu, Estonia.
NON-METALS:
->Reactions with oxygen:
1. Preparation and verification of oxygen
2. Combustion of coal in melted potassium nitrate
3. Combustion of sulphur in melted potassium nitrate
4. Combustion of coal in air and oxygen
5. Combustion of sulphur in air and oxygen
6. Combustion of red phosphorus in air and oxygen
7. Self-ignition of white phosphorus in air
8. Electrolysis of water
9. Changes in pH during water electrolysis
->Reactions with
hydrogen:
10. Preparation and combustion of hydrogen
11. Lightness of hydrogen
12. Reduction of copper(II)oxide with hydrogen
->Reactions with carbon dioxide:
13. Carbon dioxide as heavier gas than air
14. Preparation of CO2 from copper- hydroxidecarbonate
15. Carbon dioxide as a fire-extinguisher
16. Carbon dioxide in exhaled air
17. Preparation of carbon dioxide from a vitamine pill
18. Preparation of CO2 from lime scale and acetic acid
19. Preparation of carbon dioxide from carbonated water
20. Carbon dioxide reaction with alkali
21. pH change in the dissolution of carbon dioxide
22. Experiments with solid carbon dioxide
23. Combustion of magnesium in carbon dioxide
->Reactions with nitrogen and ammonia:
24. Nitrogen as a fire-extinguisher
25. Preparation of ammonia and dissolution in water
26. pH change in the dissolution of ammonia
->Reactions with chlorine:
27. Reaction between ammonia and hydrogen chloride
28. Preparation and verification of chlorine
29. Reaction of chlorine and iodide
30. Photochemical reaction: chlorine and hydrogen
31. Combustion of sodium in chlorine
32. Reaction of chlorine and copper
33. Combustion of antimony in chlorine
34. Reaction of chlorine and iron
METALS:
->s_metals:
35. Reaction of sodium and water
36. Reaction of lithium and water
37. Reaction of potassium and water
38. Reaction of calcium and water
39. Reaction of sodium and sulphur
40. Burning of magnesium
->p,d_metals:
41. Burning of iron powder
42. Burning of zinc powder
43. Aluminothermy
44. Reaction of aluminium and alkali
45. Reaction of iron and sulphur
46. Reaction of zinc and iodine
47. Reaction of zinc and acids
48. Reaction of copper and nitric acid
49. Deposition of copper on iron
50. Deposition of mercury on copper
->Flame tests:
51. Flame-test of a sodium salt
52. Flame-test of a potassium salt
53. Flame-test of a lithium salt
54. Flame-test of a barium salt
55. Flame-test of a strontium salt
56. Flame-test of copper
Characteristics of reactions:
57. Charateristics of a chemical reaction
58. Color changes
59. Evolution of gas
60. Formation of insoluble compound
61. Generation of light
62. Sound effect
63. Release of heat
64. Absorption of heat
65. The Pharaoh's Serpent
Separation of mixtures:
66. Filtration
67. Vacuum filtration
68. Separation of immiscible liquids
69. Sublimation
70. Distillation
71. Centrifugation
72. Chemical purification of gasses
Reaction rate,
equilibrium:
73. The effect of concentration on rate of reaction
74. Dependence of reaction rate on primary substance
75. Temperature influence on chemical equilibrium
76. Chromium(III)oxide as a catalyst
77. Water ignites fire
Solutions, pH:
78. Influence of mixing on the speed of dissolution
79. Temperature dependence of salt solubility
80. Solubility of a gas
81. The color scale of universal indicator
82. Strong and weak acids and bases
83. Determination of pH for consumer goods
84. pH of salt solutions, hydrolysis
85. Basic oxide reaction with water
86. Magical color changes
Experiments with organic compounds:
87. Burning of carbohydrates
88. Burning of alcohols
89. Reaction of sodium and ethanol
90. Reaction of sulphuric acid and carbohydrates
91. Combustion of nitrocellulose
92. Combustion of boric acid ethyl ester
93. Chemiluminescence
94. Time fuse
Electrochemistry:
95. Chemical current source
96. Hydrogen-oxygen fuel cell
97. Storing wind energy in hydrogen
98. Storing solar energy in hydrogen
99. Tic-Tac supercapacitor
100. Electrochemical deposition of copper
112. Homemade aluminium-air battery
113. What is inside a Li-ion battery
114. Supercapacitor development in Chemicum
115. Electrosynthesis of sodium
Demonstration videos:
101. Reaction of rubidium and water
102. Reaction of caesium and water
103. Thermoreactive compounds
104. Volcano
105. Oxidizing properties of manganese(VII) oxide
106. Preparation and combustion of silane
107. Chemical clock
108. Fire as an artist
109. Silicate garden
110. Pyrophoric iron
111. Combustion in potassium chlorate
116. 100 experiments in chemistry trailer
117. EXPLOSIONS in slow motion
118. With and without eyebrows"
119. Letting the Gin out
120. Cesium and water (new)
Green links open full videos, blue links open short videos without explanations. We continue producing new ones ... :)
The licence for pictures is CC BY-SA 3.0 - anyone can copy and use images and screenshots. The licence for the videos is CC BY-NC-ND 3.0 - you can embed or link the videos at your website (the code is available by pressing ? button in the right-top of the videoplayer during video play).