Chemistry, 26.04.2021 22:20 cristian592
23.5 g ZnCl2 in solution is added to a solution containing 42.1g Pb(NO3)
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Which are forms of frozen water? check all that apply. dew frost hail rain sleet
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Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
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Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?
Answers: 3
23.5 g ZnCl2 in solution is added to a solution containing 42.1g Pb(NO3)...
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