Case Study:
Captain Crusoe was stranded on a deserted island and to survive, he needed to obtai...
Case Study:
Captain Crusoe was stranded on a deserted island and to survive, he needed to obtain fresh water.
To simulate his situation, you will be provided with some materials, and you will need to produce
not more than 10 ml of fresh water.
e
ERA
200 ml sea water
Aluminum foil (30cm x 30cm)
Cotton gloves x 1 pair
A towel x 1
10g weights x 4
Some nails
500mL Beaker x 1
250mL Beaker x 1
Tripod x1
Bunsen burner x 1
Heat proof mat x 1
L
Answers: 1
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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