Elements heavier than uranium in the periodic table do not exist in any appreciable amounts in nature because they have short half-lives. Yet there are several elements below uranium in the table that have equally short half-lives but do exist in appreciable amounts in nature. How can you account for this?

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Q: Name: 1) Calculate the pH of the following solutions: a) 3.7 x 105 M HCI b) [OH-] = 2.6 x 10-³ 2)…

A: pH is defined  as negative  log of hydrogen ion concentration.  pH = -log[H+]

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A: Required information

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Q: 니 [H+] HO-NH2 -H2O Draw Your Solution ? N

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A: Molarity of HClO3 = 5.81 ×10-3 M

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Q: Complete the table where necessary: a) When Barium chloride solution and potassium sulphate solution…

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A: We have fund out the reaction mechanism.

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A:

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Q: оте оте H30+ ?

A: The hydrolysis of ketal gives corresponding ketone and alcohol.

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Q: 2-Chloro-3-disilanyl-4-methylhexasilane: H₂Si H₂Si H₂ Si. H. Si CH3 ŞiH₂ SiH IS Si CH3 ŞiH3 SiH CI

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Q: Give the products of the reactions.

A: To write the products of the given reactions.

Q: Pls answer asap . Pls provide accurate answer. Help me thank uuu. Handwritten thank u.

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Q: Provide the correct IUPAC name for the compound shown here.

A: The given compound is We have to give the IUPAC nomenclature of the given compound.

Photochemistry

Photochemistry is the part of chemistry that studies the various mechanisms of reactions that are triggered by the presence of light energy. It also helps to study the changes involved in a molecule that can undergo the absorption of radiation.