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Chemistry, 22.06.2019 11:00
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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Chemistry, 22.06.2019 15:20
An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.
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Chemistry, 22.06.2019 23:00
Condensation happens when water vapor cools. true or false? ?
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Chemistry, 23.06.2019 01:00
What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.
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Can light from the sun cause ink to become visible...
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