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Q: 1a) How long will it take for 30 g of 222Rn to decay to 7.5 g? 1b) How many grams of 1°N will be…

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Q: (a) (b)

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Q: The solubility of lead chromite, the artist's pigment chrome yellow is 4.3 x 10 ^-5 g/L. Calculate…

A: Solubility of lead chromite = 4.3 × 10-5 g/L

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Q: How many moles of argon, Ar, are in 1.55 x 10 Ar atoms? 1.55 x 10 Ar atoms= + TOOLS

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Q: Co,CH2CH3 CO,CH,CH3 NaOCH,CH3

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Q: What are the units of the rate constant for a first ordereaction? M-sec M sec sec O M2

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Q: Find the pH of a 0.0025 M HCl solution.

A: pH of a solution = -log[H+]

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A: The correct option is  C)metallic character decreases as you move right to the periodic table and…

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A: This Question based upon Inorganic Mass Spectrometry.

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A: Here we are required  to find product of the reaction.

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Q: Calculate the AH for the following reaction: 2 N2 5 02 → 2 N2O5 ren the following information: N2O5…

A: 2N2 + 5O2 ----> 2N2O5

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Q: MgBr A Mg, THF Br ? В ОН CI ? CH3NH2 NHCH3 D ?

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Q: The rotational constant of NH3 is 298 GHz, show that the value of B̃ is consistent with an N-H bond…

A: NH3 is an oblate symmetric rotor.

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Q: These reagents can produce ketones with alkynes A. BH3, THF, H2O2 B. KMnO4 C. O3 D. H2SO4, H2O,…

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Q: 7. Two extra ingredients that go into the tablet are Bucrose and mineral oll, whose Lone structures…

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Q: HO. .CI NH HO НО НО HO HO A В C D

A: Given compounds are :  Arrange in order of increasing acidity. Explain.

Q: TRUE OR FALSE: Allylic carbons can be a substrate for halogenation via electrophilic addition.

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Q: HO. + H NOs / H2 S04 ? ->

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Q: What is the pH of a solution with [H3O+] = 4.5 x 10-5M?

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Q: 5) Discuss the physical interpretation of any one Maxwell relation.

A: Maxwell equation describes How a electromagnetic field behaves in a generel medium. The main…