Chemistry, 23.08.2021 14:50 Angeldelissa
The mass of an atom of element x is equivalent to the total mass of 7 hydrogen atoms
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How does a hydroelectric power plant converts energy into energy.
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 10:30
Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space
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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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The mass of an atom of element x is equivalent to the total mass of 7 hydrogen atoms...
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