If you are given 150 mg of Technetium-99 to treat brain cancer, how much of it will remain in your body after 30 hours? (t½ = 6.0 hrs)

Q: d.S a solution where the concentration of undissociated acid particles is high and the relative…

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Q: Using the thermodynamic information in the ALEKS Data tab, calculate the standard reaction free…

A: It is an example of Hess's Law Here we are required to find the standard reaction free energy of the…

Q: What volume (mL) of the prepared low alcoholic elixir is needed if the prescription requires 120 mL…

A: Given: %(v/v) of the final solution = 35 % Volume of final solution required = 120 mL. %(v/v) of low…

Q: Which of the following statements is true regarding permanganimetry?   a) Permanganate solution can…

A: Permanganate ion, MnO4-is an extremely strong oxidizing agent. It has the ability to oxidize water…

Q: Identify the lettered compounds in each reaction sequence.

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Q: What is the pH of the hypothetical diprotic HydroRoseburgic acid with a concentration of o.75M? You…

A: Assume diprotic acid as H2A First dissociation of acid is         H2A (aq)+ H2O(l) -->HA-(aq) +…

Q: Which of the following is NOT true about constant weighing in the experiment? A A proportionality…

A: Weighing is an important and necessary part of the experiment. If the amount of compound is not…

Q: Give 5 differences of Terminal alkenes and internal alkenes

A: In alkenes, carbon atom is sp2 hybridized. Alkene contain the double bond between two carbon atoms.

Q: 1. What are the differences and similarities between an ionic compound and a molecule? Include…

A: (1) There are following differences between ionic compounds and Molecule -  Ionic compounds…

Q: Which would elute first in thin layer chromatography, isatin (1H-indole-2,3-dione) or acetylbiphenyl…

A: TLC separates compounds based on the polarities of the constituents.

Q: 21.) Calculate the enthalpy of hydrogenation of benzene to cyclohexane from the following reactions…

A: The reactions given are, 1) C6H6 (l) + 15/2 O2 (g) → 6 CO2 (g) + 3 H2O (l)                        ΔH…

Q: Enthalpy Entropy (AH)? Spont.? (-AG)? Reaction Туре (AS)? Yes, No, or Maybe (TD*) Celaelg).t 802(g)…

A: By seeing nature of the reactants and products, the supply or evolution of heat energy, we can…

Q: or the following reaction, AP(C6H14)/At was found to 6H14(9) → C6H6(g) + 4H2(g) etermine AP(H2)/At…

A: Which one of the following is correct

Q: s the mode of decay for strontium-81 ?

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Q: Give 5 differences of common name and IUPAC name

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Q: What is the absolute configuration of the carbon in the photo?

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Q: Provide the correct IUPAC name for the compound Provide the correct IUPAC name for the compound…

A: For IUPAC naming of acid halide following steps are required-> Name the longest chain  Change…

Q: Given the volume of 0.4810 M NaOH used determine the concentration of 19 ml sample each from…

A: Given that, The concentration of the NaOH is 0.4810 M. The volume of the aqueous layer and the…

Q: The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy…

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Q: The rate constant for the decay of a radioactive element is 6.70 × 10⁻³ day⁻¹. What is the half-life…

A: Half life is the time taken for a radioac Radioactive decays are first order reaction.

Q: Given the Ksp values of the 3 Ag-salts, which will precipitate second using Ag* as the precipitating…

A: Solubility product is used in predicting whether a precipitate will form under specified conditions.

Q: Instruction: Find the following ΔH for the reaction below. 2SO2 + 2P + 5Cl2 → 2SOCl2 + 2POCl3 ΔH =…

A: Given that, the enthalpy change of the reactions are SOCl2 + H2O → SO2 + 2HCl…

Q: how to solve normality using molarity, volume, and grams?

A: To explain: A relationship between the normality with molarity, volume and mass.

Q: 1. What is the difference between dye and pigment?

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Cl, 2 2C1- (6-12a) + CO CIĊO (6-12b) + Cle CIĄCO + Cl- (6-12c)

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Q: The solubility of Fe(OH)2 in water at 25°C is measured to be 5.2x10^−4gL. Use this information to…

A: Solubility of Fe(OH)2 = 5.2 × 10-4 g/L  Ksp for the Fe(OH)2 = ?

Q: Distribution coefficient (KD) is the sum of the concentrations of a substance in the distinct and…

A: The distribution constant (or partition ratio) (KD) is the equilibrium constant for the distribution…

Q: Which of the following characterizes an alpha ray? Choose all that apply. O is less penetrating than…

A: Alpha ray is also identified as helium nuclei. Which is donated by 4He2.

Q: Provide a mechanism for the following transformation: 1. PPh 2. Buli Ph Br Ph 3.

A: THIS IS BASICALLY WITTIG REACTION,WHERE FIRST WE GENERATE THE WITTIG REAGENT WITH: PhCH2Br,PPH3,BuLi

Q: Rank the C-H bond strength of the indicated hydrogen atoms in the following molecules strongest to…

A: Since you have asked multiple questions, as per guidelines we will solve only the first one for you.…

Q: 3 С вс — сHа— сH —с — сHz—С 3с — соо—CH CH2OH H3C – C-CH3 CH3

A: The compound given is,

Q: Which of the following will result in an increase in the calculated Ksp of Ca(OH)2? Receiving flask…

A: Let's check all the given statements.

Q: The rate constant for the decay of a radioactive element is 2.03 × 10⁻³ day⁻¹. What is the half-life…

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Q: What is the half-life of phosphorus-28 if 0.537 seconds are required for the activity of a sample of…

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Q: B. heat NAOH Br product or B) forms in the reaction below: Propose echanism nd se -dimensional…

A: This is an Elimination reaction . In this reaction the NaOH react with the alkyl halide and…

Q: A 22.69 g sample of a substance is initially at 28.5 °C. After absorbing 1481 J of heat, the…

A: Given, mass of the substance (m) = 22.69 g Amount of heat absorbed (Q) = 1481 J Initial temperature…

Q: Find the Ksp of  0.200 M MgCl2 with Mg(OH)2 as its salt (solubility:1.51121E-05 M) MgCO3 as its…

A: We have asked to find the Ksp of 0.2 M MgCl2 in  1) Mg(OH)2 as its salt (solubility:1.51121E-05 M)…

Q: Calculate the concentration of all the ions in solution after mixing 100.0 mL of 0.0200M KF (aq)…

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Q: Write a balanced nuclear equation for the following: The nuclide bismuth-210 undergoes alpha…

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Q: N2(g)+2O2(g)⟶2NO2(g)ΔH=+66.4 kJ    Use Reaction 3.   How much energy (in kJ) is absorbed when…

A: Recall the reaction, N2 + 2O2 ------> 2NO2  ∆H = +66.4 KJ  Volume of NO2=159 L  Energy absorbed =…

Q: 10. Provide a mechanism for the following transformation: soc, OH

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Q: A solution is prepared at 25 °C that is initially 0.43 M in propanoic acid (HC,H,CO,), a weak acid…

A: Given :-  [HC2H5CO2] = 0.43 M  [KC2H5CO2] = 0.11 M  Ka for HC2H5CO2 = 1.3 × 10-5  To calculate :-…

Q: At 22 ∘C, an excess amount of a generic metal hydroxide, M(OH)2, is mixed with pure water. The…

A: Given-> pH = 10.38

Q: A 50.0 mL of 0.100 M Cu(NO3) solution and a 50.0 mL of 0.100 M NaBr solution are mixed. If the Ksp…

A: Given,  Molarity of Cu(NO3) = 0.100 M  Volume of Cu(NO3) = 50.0 mL  Molarity of NaBr = 0.100 M…

Q: Give 5 differences of Functional groups and hydrocarbons.

A: Difference between Functional group  and hydrocarbon  The main difference is in the presence of a…

Q: For each chemical reaction listed in the first column of the table below, predict the sign (positive…

A:

Q: Provide the structure of the product and write the mechanism of its formation for the following…

A: Given reaction are carbocation formation reaction. In all three reaction intermediate is…

Q: Given the volume of 0.4596 M NaOH used determine the concentration of 19 ml sample each from…

A: The partition coefficient Kd is defined as the ratio of concentration of a substance in organic…

Q: How many grams of H+ are needed to replace 1 g NH4+?

A: Given::  Mass of NH4+ = 1g molar mass of NH4+= 18 g mol-1 Grams of H+ = ? molar mass of H+=1 g mol-1…

Q: With the titration curve of a weak acid, which part of the curve is the buffer capacity seen to be…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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.