Видео 28
Просмотров 59 341

0:47

Formation of a Precipitate

0:32

Baking Soda and Vinegar

0:34

Borax Bead Test Demo - Cobalt Ion

4:01

Reaction 7 - Decomposition of Potassium Chlorate

4:09

Reaction 9 - Decomposition of Copper (II) Carbonate

2:15

Aluminum and Cupric Chloride Solution

Aluminum and Cupric Chloride Solution

Видео

0:47

Bromthymol Blue/Acid and Base Reactions

Просмотров 1,3 тыс.2 года назад

A few drops of bromthymol blue indicator are added to sodium hydroxide (NaOH) solution and hydrochloric acid (HCl) solution.

0:32

Formation of a Precipitate

Просмотров 492 года назад

Several drops of barium nitrate solution are added to a well plate. Sodium sulfate solution is then added.

0:34

Baking Soda and Vinegar

Просмотров 242 года назад

A small sample of sodium bicarbonate (baking soda) is placed in a well plate. Vinegar is added.

4:01

Borax Bead Test Demo - Cobalt Ion

Просмотров 40 тыс.3 года назад

A solution of cobalt (II) nitrate is tested using the borax bead test. Cobalt ion produces a distinctive blue bead.

Reaction 7 - Decomposition of Potassium Chlorate

4:09

Reaction 7 - Decomposition of Potassium Chlorate

Просмотров 10 тыс.3 года назад

"13 Reactions Lab"- A sample of potassium chlorate is heated in a test tube. As the sample decomposes, the gas that is produced is tested by inserting a glowing wood splint into the test tube.

Reaction 9 - Decomposition of Copper (II) Carbonate

2:15

Reaction 9 - Decomposition of Copper (II) Carbonate

Просмотров 1543 года назад

"13 Reactions Lab" - A sample of copper (II) nitrate is heated in a test tube. The gas that is produced is bubbled through a smaller test tube of limewater.

Reaction 6 - Decomposition of Lead (II) Nitrate

1:26

Reaction 6 - Decomposition of Lead (II) Nitrate

Просмотров 1023 года назад

"13 Reactions Lab" - A sample of lead (II) nitrate is heated.

Reaction 13 - Double Replacement Precipitates

2:56

Reaction 13 - Double Replacement Precipitates

Просмотров 983 года назад

"13 Reactions Lab" - Several solutions are mixed. Insoluble precipitates are formed for two of the three combinations.

Reaction 5 - Concentrated Hydrochloric Acid and Concentrated Ammonium Hydroxide

3:04

Reaction 5 - Concentrated Hydrochloric Acid and Concentrated Ammonium Hydroxide

Просмотров 3023 года назад

"13 Reactions Lab" - A few drops of concentrated hydrochloric acid solution are placed one one side of the beaker. A few drops of concentrated ammonium hydroxide solution are placed on the other side of the beaker.

2:51

Reaction 11- Calcium and Water

Просмотров 953 года назад

"13 Reactions Lab" - A piece of calcium is placed in a test tube of water. The gas is ignited and the solution is tested on red and blue litmus paper.

Reaction 2 - Potassium Bromide and Chlorine Water

2:11

Reaction 2 - Potassium Bromide and Chlorine Water

Просмотров 1,3 тыс.3 года назад

"13 Reactions Lab" - Potassium bromide is dissolved in chlorine water solution. Hexanes are added to form two layers. Note the color of the top layer.