Chemistry, 14.06.2021 09:50 GoAheadAndSmileToday
The frequency of an X ray is 6.5 x 1018 Hz. What is the X ray’s wavelength?
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Chemistry, 21.06.2019 22:30
Which feature do highland climates have that lower elevation areas do not?
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Chemistry, 22.06.2019 07:30
The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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Chemistry, 22.06.2019 10:30
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
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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 frequency of an X ray is 6.5 x 1018 Hz. What is the X ray’s wavelength?...
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