Gallium-67 is used medically in tumor-seeking agents. The half-life of gallium-67 is 78.2 hours. If you begin with 36.9 mg of this isotope, what mass remains after 112 hours have passed? mg

Q: At 100.0°C, K. = 0.135 for the reaction 3H2(g) - N2(s) = 2NH3(g) Inareaction mixture at equilibrium…

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Q: The rate constant for this first-order reaction is 0.0330 s at 400 C. A products After how many…

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Q: 28 Which is more acidic, a beer with [H,0*)= 3.16 × 10-5 or a wine with [H,O'] = 5.01 x 10 4? %3D

A: Value of pH tells the acidity of solution. Lesser the value of pH, more is the acidity.

Q: 사hem Hoot mgBY inTHE'?

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Q: What is the solubility of La(IO₃)₃ in a solution that contains 0.100 M IO₃⁻ ions? (Ksp of La(IO₃)₃…

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Q: Write the condensed (noble-gas) electron configuration of barium.   Write the condensed (noble-gas)…

A: Note : As per our company guidelines we are supposed to answer only first 3 sub-parts. Kindly repost…

Q: aromatic, antiaromatic, or non aromatic molecule?

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Q: What is the pH of a 0.100 M solution of generic diprotic acid, which has a Kat of 2.1 x 10-5 and Ka2…

A: Given: The Ka1 of a generic diprotic acid = 2.1×10-5 The Ka2 of the acid = 3.1×10-9 We have to…

Q: In the given electrochemical cell, what is the cathode half-reaction? Zn(s) | Zn2+(aq) || Fe3+(aq),…

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Q: 2,900 cc sample of gas at a pressure of 5.0 atm and a temperature of 50.0 °C decreases in…

A: V1 = 2900 cc P1 = 5.0atm T1= 50.0°C = 50.0 + 273 = 323 K V2 = 2400 cc P2 = 3.0 atm T2= ?

Q: 10) For bromine, AH°vap = 30.91 kJ/mol and AS°vap 93.23 JK-1mol-1 at 25°C. What is the normal…

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Q: rite a balanced nuclear equation for the following: The nuclide carbon-14 undergoes beta decay to…

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Q: EIO 1. 2. он OH OE! 3. NO, 5. ???? OEI Remember - can't use simple enolate enol 7. for SN2 type…

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Q: Calculate H3O*| of the following polyprotic acid solution: 0.135 M H3C6H5O7. (Kal = 7.4 x 10 4, K2=…

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Q: The controlled addition of a liquid into a vessel to measure the volume that reacts with a substance…

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Q: Use bond energies to calculate the H for the following reaction: N,H4 + H2O ---> NH,OH + NH3 N--H =…

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Q: Consider the following two reactions for the production of ethanol. (1) C2H4(g) + H20(g) →…

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Q: Identify the reactant that gets oxidized in the following reaction 5C2O4^2- (aq)+ 2MnO4^-(aq)

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Q: For the theoretical reaction: A+2B → D+ Fa plausible 2-step reaction mechanism was determined to be…

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Q: Calculate [H*] for an aqueous solution that contains [OH] = (8.80x10^-7) M.

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Q: Give a clear handwritten answer and explain

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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.