Chemistry, 21.12.2020 19:50 kameronmouton
Station #1: Lead Nitrate and Potassium Iodide solutions. Shower of yellow
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #2: Potassium Chlorate and Gummy bear. Gummy
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #3: Elephant toothpaste. Elephant toothpaste
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #4: Copper and Nitric Acid. Cu + Nitric acid
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #5: Carbon Disulfide and Nitrogen Oxide. Copper Disulfide and Nitrogen Oxide
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #6: Chemiluminescence. Chemiluminescence
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #7: Color changing milk. Milk
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #8: Silver nitrate and Hydrochloric acid. Silver Nitrate and HCl
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #9: Ammonium Thiocyanate and Barium Hydroxide Octahydrate. Watch this!
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #10: Salt Crystal Garden. Salt crystals
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #11: Combustion of iron in pure oxygen. Combustion
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #12: Genie in a bottle. Genie
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #13: Halloween clock reaction. orange and black
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #14: Fun with Sodium Acetate. Sodium Acetate
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Station #15: Cold but Sublime. Cold
INITIAL APPEARANCE:
OBSERVATIONS:
TYPE OF CHANGE:
CLUE:
Additional Responses
1. Do any of the procedures give a clue that a chemical change occurred, but are not chemical changes? Which ones?
2. Develop a definition of chemical change using atoms and molecules in your definition. Use complete, grammatically correct sentences.
Answers: 2
Chemistry, 22.06.2019 14:00
In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2
Answers: 1
Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
Answers: 2
Chemistry, 22.06.2019 19:20
15. which of the following is not human-caused groundwater pollution? a. water in an aquifer dissolves elements such as arsenic and mercury from surrounding rock. b. water in an aquifer is contaminated by leachate that seeps into the ground from a landfill. c. water in an aquifer becomes polluted with chemicals used in hydraulic fracturing, or fracking. d. water in an aquifer absorbs harmful bacteria from the drainage field of a septic tank.
Answers: 1
Station #1: Lead Nitrate and Potassium Iodide solutions. Shower of yellow
INITIAL APPEARANCE:
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