then Br then Br Br

Q: The radioactive isotope gallium-67 is used in medical imaging as indicated on the table above. If…

A: Given data,Half life of Gallium-67=78.3 hInitial amount of Gallium-67=60.3 mgTime= 391.5 h

Q: 2. Discuss the effect of temperature to density.

A: The density of a substance is it's mass per unit volume

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A:

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A: trans-stilbene is a non-polar compound.

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A:

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Q: Table 4:Reactions and Reaction Stoichiometry Show calculations separately. HCl + NAOH → HC,H,O, +…

A: To complete table 4.

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A: Given that -  Mass of ethylene glycol containing Solution = 100 g  Then, mass of ethylene glycol ,…

Q: Each of the IR spectra below corresponds to one of the aromatic compounds listed below.…

A: Ir spectrum provides information about the functional group present in given compound.

Q: A reaction has AH° = +193 kļ/mol and AS° = +112 J/mol-K. At what temperature is the value of AG°…

A: According to the second law of thermodynamics, the spontaneous nature of the reaction is determined…

Q: 0.024 grams of solid silver chromate (Ag2CrO4) were added to 250 mL of water (final vol). How many…

A: Given: Mass of Ag2CrO4 taken = 0.024 g. And volume of solution= 250 mL = 0.250 L

Q: Each of the IR spectra below corresponds to one of the aromatic compounds listed below.…

A: IR spectrum provides information about the functional group present in given compound. Here in the…

Q: 9. Circle the compound that has the most acidic C-H bond. Indicate which C-H bond is acidic in that…

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

Q: Write a detailed mechanism for this transformation. .O. HCI HO но HO НО H20

A: Carbonyl compound (aldehyde and ketone) reacts with an alcohol to form hemiacetal in the presence of…

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A:

Q: A piece of metal at 20°C that weighs 60.0 g is dropped into 200. g of water at 100°C. The specific…

A:

Q: OH NaOH H3C CH3 H3C CH3 Alkyl halides undergo nucleophilic substitution and elimination reactions.…

A: A question based on introduction to organic chemistry that is to be accomplished.

Q: In both examples below the reactants shown are combined to bring about a nucleophilic substitution…

A:

Q: Differentiate the use of Shelf-life and PAO.

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Q: *19. Following are the NMR spectra of three isomeric esters with the formula C;H14O2, all derived…

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Q: This question has multiple parts. Work all the parts 20 15 0 mM fructose-2,6-bisphosphate I mM…

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A:

Q: Is there a relationship between the final mass of the marshmallow and an increase in temperature of…

A: The relationship between the mass of burnt marshmallow and the change in the temperature of the…

Q: CH3 CHz OH'

A:

Q: LAL test results could be determined based on ________? I. Color development II. Cloudiness III. Gel…

A: LAL test is used to detect the presence of endotoxins.

Q: What will be the height of a column of chloroform (density = 1.49 x 103 kg/m3) that will be…

A:

Q: Complete the balanced chemical equation for the following weak base and a strong acid. NaC2H3O2…

A: The unbalanced reaction is: NaC2H3O2aq+HNO3aq→

Q: [References] Use the References to access important values if needed for this question. For the…

A:

Q: For items 13-15, refer to this problem: What is the heat of reaction of Carbon monoxide if the…

A:

Q: Which of the following describes the reaction: 230 Th → He + ®Ra 88 90 Obombardment reaction beta…

A: Radioactive decay is the nuclear process in which an unstable atomic nucleus loses energy through…

Q: 2. Find the density in pound per cubic feet of ammonia gas at 100C when confined by a pressure of…

A: Answer: Ideal gas equation in density form is shown below: P=dRTMPMRT=dd=PMRT Here: d=density of the…

Q: 2. Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

A:

Q: A concentration cell is created using two copper electrodes and 0.0002 M Cu(NO3)2(aq) and 1.7 M…

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Q: List all the quantum numbers for the last 10 electrons in krypton. а. b. с. d. е. f. g. h. i. j.

A:

Q: Draw the most stable Lewis's diagram for 2RO; that follows the octet rules and include the formal…

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Q: The simplest guess wave function for H2* has two coefficients, c1 and c2. How big would be the…

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Q: Discuss and provide examples of the top, middle and base notes.

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Q: Which of the following statements is true about the reaction described in the energy diagram below?…

A: GIVEN:-

Q: Use ligand group orbital approach to describe the bonding in [CO3] 2- . Include schematic…

A: Carbonates [CO3] 2-are polyatomic ligands. They are found to bind to two or three metals…

Q: Which of the following describes the reaction: 218 Po →°,e+ 218 At 85 At 84 positron emission alpha…

A: As a result of positron emissions atomic number decreases by one in product side , and as a result…

Q: . A 0.137 m solution of sodium ferrocyanide (NaFe(CN)6.10H20) in water has a freezing point…

A: Given-> Molality = 0.137 m Freezing point depression = 0.755 °C Kf = 1.86 °C/m

Q: What is a monoprotic acid ? What is the stoichiometric ratio of its reaction with NaOH solution?

A: Acid is a substance which is related by the transfer of hydrogen ion.

Q: *18. Draw the structure of an ether with formula C5H12O2 that fits the following NMR spectrum:

A:

Q: =1,0°H]

A:

Q: You will prepare 5 cuvettes with different concentration of sodium phosphate (Pi) using the stock…

A: For calculating the volume of 1 mM Pi, we use the dilution equation, MstockVstock=MfinalVfinal

Q: Determine ΔH in kJ/mol for the following reaction: 2NO(g) + O2(g) --> 2NO2(g) The standard…

A: Given that:  2NO(g) + O2(g) <......> 2NO2(g)  dH°NO = 90.4 KJ/mol  dH°NO2 = 33.9 KJ/mol

Q: In an ideal situation, what would the slope of a calibration curve be for an ISE experiment…

A: To determine the  slope of a calibration curve be for an ISE experiment measuring K+, NO3-, Sc3+

Q: 7. H2 Pt 8. 1. BH3 2. H2O2, OH

A: