ⒸMacmillan Technetium-99m, an important radionuclide in medicine, has a half-life of 6.0 hours. What percentage of a sample of technetium-99m will remain undecayed after each of the given times? 18.0 hours: 1 day: 6 half-lives: % de % %

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A: Balanced chemical equation is2C(s) + O2 (g) ----> 2CO(g)

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Q: (K) 1-bromobutane кон, н,о (A) Na (B) CH, CH₂Br (C) Mg, ether (1)CH,…C…CH,CH, (2) H₂O+ (J) (D)…

A:

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Q: 4. (i) On the structure below, add all missing lone pairs of electrons, assuming that all of the…

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Q: Q.4. Draw a structure (condensed or line structure) of a secondary alcohol with molecular formula…

A: Question 4:Molecular formula of the compound is C4H10OWe have to draw (condensed or line structure)…

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A: Given,The water sample with a hardness count of 175 mg CaCO3/L

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Q: F TA

A: When Carbon form all four single bond, it's hybridization is sp3.When carbon form one double bond,…

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A: Answer :---- Inputs of glycolysis are :-Glucose (6 carbons)2 ATP molecules (energy)2 NAD+ molecules…

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A:

Q: Can you please show me the step by step solution on how to compute the (y) in this formula using the…

A: Ka = 4.786300923 x 10-13 [H+] = 1 x 10-12 [HA] = 0.10M - Y

Q: Which of the following is a valid ionic compound formula? O A. MgAs OB. AIP OC.Li4S2 OD. Ba2N3…

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Q: If you took 17.6 mL of a 0.277 M silver carbonate solution and diluted it to a total volume of 133.8…

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Q: Draw the two major products obtained in the reaction shown. + Br₂ (one equivalent) CH₂Cl₂

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Q: Do any of the atoms in the above compounds have a formal charge?

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Q: At 298 K, the Henry's law constant for oxygen is 0.00130 M/atm. Air is 21.0% oxygen. At 298 K, what…

A: Objective :

Q: HO se 1) NaOEt 2) BnBr [H*] Dean-Stark HS OH [H*] SH H3O+ H₂O (excess) 1) NaOH 2) H3O+ H₂ Raney Ni…

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Q: Briefly explain the terms efficiency and selectivity are used in chromatography. How

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Q: a. b. d. x B. S- -

A: Resonance structures are the collection of Lewis structures which indicate the distribution of…

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Q: Perform the calculation and record the answer with the correct number of significant figures.…

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Q: 4. To what do the terms P, Q, and R branch refer to in a rotational-vibrational spectrum?

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Q: Draw condensed structural formulas for all compounds with the molecular forr C4H8O that contain (a)…

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Q: Macmillan Learning The radius of a single atom of a generic element X is 185 picometers (pm) and a…

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A: 37.2 % HCl means that 37.2 g of HCl is present in 100 g of solution.

Writing and Balancing Nuclear Equations

A nuclear equation is a symbolic representation of a nuclear reaction using certain symbols. It is studied in nuclear chemistry and nuclear physics.