What is the mass of the isotope is arsenic-73

Q: Gamma radiation is used to treat certain types of tumors deep in the brain that cannot be accessed…

A: Gamma radiation is used to treat certain types of tumors deep in the brain which cannot be accessed…

Q: For a certain chemical reaction, the standard Gibbs free energy of reaction at 25.0 °C is 56.5 kJ.…

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Q: What kind of amine shoul be reacted with BSC produces a sulfonamide that is insoluble in NaOH?

A: Answer= ( secondary amine)

Q: 7. Calculate the speed of light in a sugar solution. The index of refraction for the sugar solution…

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Q: Determine the switching potential in the following voltammogram 20.0 B 7.5 -5.0 -17.5 -30.0 Current…

A: The correct answer about switching potential is given below

Q: IR Spectrum (KBr disc) 4000 100 80 ................ % of base peak 10 3000 20 40 80 13C NMR Spectrum…

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Q: How many mL of 0.300 M NaF would be required to make a 0.0775 M solution of NaF when diluted to…

A: In the given question we have to calculate the volume of stock solution  consider,  0.300 M NaF as…

Q: A 50.25 g sample of Ca(OH)2 is dissolved in some water. Determine how many mL of 0.525 M HClO4 will…

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A: Answer - The correct option is (2) Remains the same , remains the same Explanation - According to…

Q: What volume of 0.10 moldm-3 sulphuric acid would be required to neutralise a mixture of 1.06 g of…

A: Recall the given reactions,H2SO4  +  2 NaOH  →  Na2SO4  +  2 H2OH2SO4  +  Na2CO3  →  Na2SO4  +…

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A: In general ,the boiling point increase per -CH2 increase in the chain is different for different…

Q: What is the benefit of using fluted filter paper instead of not folding it?

A: “Fluted “ filter paper (LEFT) is used when we wish to separate a liquid and a solid, keeping the…

Q: Repeat Experiment 3 for the Burg method of linear prediction.

A: The solution is shown below

Q: CO(g) + Cl₂(g) → CoCl₂(g) The above reaction obeys the mechanism: Cl₂ 2CI Fast equilibrium Cl + CO =…

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Q: The process under which an atom gains electrons is called Redox Reduction O Oxidatio

A: Given statement is :  The process under which an atom gains electrons is called ?  Options are :  a.…

Q: Q2/Compute the pH of 75.0 ml 0.15 M Ammonium Hydroxide at addition of 0, 15,30,37.5,75 and 82.5 ml…

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Q: A certain catalyzed reaction is known to have an activation energy . Furthermore, the rate of this…

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Q: Sa. Name and draw the appropriate geometric isomers for Pt(NH3)4Cl-

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Q: Identify the charge on the iron in Mn3N2

A: Here in Mn3N2 Charges on nitrogen is -3 Let the charge on Mn is x Then,  3x  +  2×(-3) = 0 x = +2

Q: give the degree of unsaturation of the compounds: Vanillin(C8H8O3) and ethyl ethocyacetate…

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Q: How many atoms of O there in 30.6 grams of cadmium (II) phosphate?

A: Ans : 2.79 × 1023 atoms of O

Q: NH4I(aq) + KOH(aq)= can you tell me the product, complete ionic equation and net ionic equation?

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Q: An atom changes its oxidation number from -5 to -3. Was it oxidized or reduced? Oxidized Reduced…

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Q: ilicon has three common isotopes, with the masses and isotopic abundances shown elow: licon-28 --->…

A: Given-> M1= 27.98 u.        P1=0.882% M2=28.98u.           P2=0.018% M3=29.97 u.

Q: Write the net ionic equation and eliminate spectator ions: a) Identify the following and acids or…

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Q: Alkene reacts with chlorine to form chloride alcohol O ● False O True

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Q: O 26 1 0 18. 12Mg + On le+. 27 11Na 27 13 Al 27 12Mg 26 11 Na

A: In this type of reaction just do the Mass number and atomic number balance both the sides.

Q: Give the correct answer for the underlined words if incorrect.  4-methylbenzaldehyde yields a…

A: Fehling's solution: Fehling's solution and Tollens' reagent are used to distinguish between aldehyde…

Q: From a 50.0 mL drink sample suspected to be spiked with cyanide (CN-), an 10.0-mL aliquot was taken…

A: A question based on concentration terms that is to be accomplished.

Q: Gulose is a C3 epimer of Galactose and a C2 epimer of Idose. Modified True or False

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Q: Carbon dioxide gas can be pumped into coal seams underground to release trapped methane gas.…

A: We have find out the molar volume of carbon dioxide gas at 700 °C and 6500 kPa.

Q: Write the balanced net ionic equation describing the phosphate buffer system.

A: The net ionic equation is a chemical equation that indicates the ions that are directly involved…

Q: 2. Different marker inks were analyzed using a simple paper chromatography experiment. Two marker…

A: To calculate the retention factor of each spot from A to E.

Q: what kind of test/reagent should be used to differentiate the two compounds in the photo? what will…

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

Q: 75.0 mL of each solution reacts. The concentration of the acid is 0.65mol/L and the concentration of…

A: Given-> Volume of each reactant = 75.0 ml Concentration of acid = 0.65 mole/L Concentration of…

Q: Students were tasked to perform the ideal gas experiment with some modifications. Instead of…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: An alternative solvent to alkylate saccharin nucleophile could have been another OA. protic; ethanol…

A: Given statement is :  An alternative solvent to alkylated saccharin nucleophile could have been…

Q: If 3.5 cups have a mass of 632.0g what’s the density in grams per ml. 1 cup= .236 L

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Q: An unknown sample containing citric acid (C6H8O7) was analyzed using 0.2347N NaOH. The following…

A: 0.2347 N NaOH   Mass of Unknown = 0.4232 g Initial reading of NaOH = 2.50 mL Final reading of NaOH =…

Q: (b) Draw and explain the cyclic voltammo- gram of Fe (n5-C5H5)2 in CH₂Cl₂, where [NBU4] [PF6] is…

A: The correct answer is given below

Q: 5) A nephrolith is formed due to Ca (II) oxalate, phosphate or urate precipitation. Will CaC₂O4…

A: The balanced equation for the dissociation of CaC2O4(s) is: CaC2O4(s) ⇌ Ca2+(aq) + C2O42-(aq) ; Ksp…

Q: 4-Methylbenzaldehyde Test the compound in Fehling's test, then what is the observe result and it's…

A: Fehling's solution: Fehling's solution and Tollens' reagent are used to distinguish between aldehyde…

Q: O KINETICS AND EQUILIBRIUM = Valentina V Solving problems that mix equilibrium ideas with gas laws…

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Q: As you investigate the relationship of oil and plastic, add “zoom out boxes” to the images below.…

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Q: Q1/ Calculate the concentrations of the an ions species in (0.1 M H₂ASO4): [H], [OH'], [H₂ASO₂],…

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Q: s_engine.html?ClassID=926617676# t Orie... Calculate the enthalpy for 1 mole of NO bonds using the…

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Q: Suppose titration of 100.00 mL mixture of 0.0500 M in Br +0.08 M CI with 0.4000 M AgNO3. What is pAg…

A: Please find the below attachments.

Q: In column chromatography, the following statements are true except-* The stationary phase is held in…

A: Three questions based on analytical separations that is to be accomplished.

Q: What type of solid-liquid extraction is done when the tea leaves is boiled in water?

A: Answer. Tea leaves boiled in water undergo two separations 1. hydrophilic contents absorbed in…

Q: 101 S 1 OA. 4 pi-electrons OB. 10 pi-electrons Oc5 pi-electrons OD.8 pi-electrons E6 pi-electrons

A: Double bond has 2 pi electrons and lone pair on an atom in a ring which are participating in…

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.