Explain the meaning of the term critical mass in relation to the use of a chain reaction for the production of nuclear power.

Q: View Policies Current Attempt in Progress Calculate to five significant figures the binding energy…

A: Neon -20 Observed mass = 19.9924 amu

Q: What volume of a 0.350 M KCl solution will completely react with 0.125 L of a 0.185 M Pb(NO3)2…

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Q: CH,CH Cl2, H2O SAWHORSЕ H3CH2C CH3

A: In the case of the sawhorse projection formula, a molecule is observed from an angle rather than…

Q: Indicate which of the two filtration techniques, gravity ( G ) or vacuum ( V ), is suitable for each…

A: Given operations are  a) Hot filtration b) Removal of decolourising carbon  c) Isolation of…

Q: CH3 NO2 O2N. NO2 2,4,6-trinitrotoluene 2-methyl-1,3,5-nitrobenzene 1-methyl-1,3,5-trinitrobenzene…

A: In the iupac nomenclature, first select the longest parent carbon chain which must include main…

Q: QUESTION 13 Which of the following substituted benzoic acids is the weakest acid? O aspirin…

A: 12, Tertiary amine (3o amine): An amine in which the nitrogen atom is directly bonded to three…

Q: Calculate the Molarity of 0.0786 moles Aluminum dichromate, Al>(Cr,07)3 when dissolved in 2 L…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Br2 ? How many moles of Br are required to completely halogenate the alkene? A. Three moles B. Four…

A: Here we have to write properties of addition of Bromine to the following alkene.

Q: At 20 °C, the following concentrations were found for the gases in an equilibrium mixture for the…

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Q: Consider the figure in Chapter 7 of your textbook which shows the periodic trends in electron…

A: The electron affinities of the Group 4A elements more negative than the electron affinities of the…

Q: 5. If a hydrocarbon compound has a formula mass of 16.04g, what is its empirical formula? О СН2 O…

A: Given :-  Empirical formula  CH2  CH4  C2H2  CH3 Empirical Formula mass = 16.04 g  To identify :-…

Q: 0.5000 g sample containing NaCl (58.44 g/mol), BaCl2 (208.23 g/mol), and 11.56% by mass of…

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Q: This is the belief that organic matters can only be synthesized by the living systems since they are…

A: Theory of Vitalism was proposed by Aristotle in 16th Century.

Q: which are electron-withdrawing? A. Structures 1, 2 and 4 B. Structures 2, 3 and 5 C. Structures 2,…

A: Ques.1a. in structure 3 there is a steric hindrance between the hydroxy functional group and the…

Q: The reagent KMn04 is used to completely oxidize acetylene. What is an expected property of the last…

A: When acetylene ,C2H2 is oxidised with potassium permanganate, KMnO4 then initially glyoxal is…

Q: ? O3 a. b. Zn, H*

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Q: 国 Classify the following amino acids based on the polarity of their R-groups. Enclose the non-polar…

A: we need to classify given amino acids as polar or nonpolar on the basis of R group

Q: How many grams of nitrogen are present in a 0.25 g sample of adrenaline, a hormone secreted into the…

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Q: pH pOH 4.2 x 105 A В C 6.8 x 107 E F G 9.54 K L 8.13 ND OFF ANSWERS TO FOUR (4) SIG FIGS. NO NEED…

A: From the formula, pH + pOH = 14 pH = -log([H+]) pOH = -log([OH-)] [H+] = 10-pH [OH-] = 10-pOH

Q: A sample of CO2 was confined to a container at a constant temperature. When the pressure applied to…

A: Given :-  Initial pressure = 2.50 atm  Initial volume = 4.50 L  To calculate :-  Final pressure if…

Q: In a study of the rearrangement of ammonium cyanate to urea in aqueous solution at 50 °C…

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Q: If a positron is to be emitted spontaneously, how much more mass (as a minimum) must an atom of the…

A: Parent nuclide  = Daughter nuclide + positron

Q: The concentration of a 1500mL aqueous KCl solution was increased from 25.0 M to 80.0 M by…

A: Given: Before evaporation: Concentration of KCl solution = 25.0 M = 25.0 mol/L Volume of the…

Q: Question 24 A colorless solid that melts at 103 to 105°C was subjected to IR Spectroscopy to…

A: Ans : Primary amine and alkane. 3366 cm-1, 3190 cm-1 are N-H stretch of primary amine. 1663 cm-1…

Q: 1) A 1.728 in' of a substance has a mass of 36 grams. What is the density of the substance in g/cm'?…

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Q: nyl-2-decacen-6-yne nyl-2-dodecen-6-yne nyl-10-decacen-6-yne nyl-10-dodecen-6-yne

A: The iupac nomenclature, first select the longest parent carbon chain which must include main…

Q: A solution contains 3.86g of magnesium chloride and 250g of water. Compute for the freezing point…

A: Freezing point of solvent is greater than freezing point of solutions

Q: Given: 372.000 is the molecular weight of disodium ethylenediaminetetraacetate 6.119 grams to…

A: Given: Mass of disodium ethylenediaminetetraacetate i.e. Na2EDTA = 6.119 g. Volume of solution =…

Q: he viscosities of acetone are T, °C -60 -30 0 30 Ƞx102, poise 0.932 0.575 0.399 0.295…

A: Solution- Data given- The viscosities of acetone are Ƞx102, poise     T0C 0.932                -60…

Q: 73. The reagent KMN04 is used to completely oxidize acetylene. What is an expected property of the…

A: According to Q&A guidelines of Bartleby, we are supposed to answer only the first question out…

Q: When alkenes are oxidized initially, they form what types of compounds? A. Aldehydes B. Alcohols C.…

A: It is asked in the question that what forms when alkene are oxidised initially.

Q: What is the molarity of a solution in which 150g of CaO are dissolved in 1900mL of solution? (Use…

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Q: What mass of HCI is needed to make 3000g of 3% solution? (MW: H = 1g/mol, Cl = 35g/mol) A. 0.09 gram…

A: Given:: Make mass of HCl = 3000 g % solution = 3% mass of HCl = ?

Q: Find the molality of a solution made by adding 8g of NaOCI to 5000g of water. (MW: Na=23 g/mol, 0-16…

A: 14.  Given ;- mass of NaOCl = 8 g  Mass of water = 5000 g  MW: Na = 23 g/mol, O = 16g/mol, Cl =…

Q: How was the precipitate obtained after filtration?   By scraping from the filter paper and…

A: Filtration is used to separate an insoluble solid from a pure liquid or a solution

Q: What mass of HCI is needed to make 3000g of 30% solution?MW: H=1g/mol, CI=35g/mol

A: Given, mass % of HCl = 30 % Mass of the solution = 3000 g mass of HCl needed = ?

Q: INSTRUCTIONS: Choose the letter of the BEST answer for each item. 1. How many lone pairs are…

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Q: Find out the first row transition metals (M) for the following compounds (all of them obey 18e rule)…

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

A: Answer: To find out the partial pressure of gases modified form of ideal gas equation will be used…

Q: I didnt get the answer right.

A: Given:  Radius = 149 pm= 1.49 × 10-10 cm The volume of the unit cell is needed to be find out if X…

Q: A copper rod was purified using an electrolysis method consisting of a 1.0 M solution of copper (II)…

A: The correct answer is given below ?

Q: What is the binding energy in kJ/mol In for indium-115? kJ/mol 49,H+ 66,n→115 In 40 The required…

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Q: The reaction N204(g) = 2NO2(g) has a K, = 0.140 at 25 °C. In a reaction vessel containing the gases…

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Q: Which of the following was used in excess in the gravimetric method of analysis experiment? (A) HCI…

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Q: which structure do you expect two products after alkylation? A. Structure 1 B. Structure 2 C.…

A: 53) structure 1 will give two products after alkylation one at ortho position and other at para…

Q: Which of the following organic compounds is the least soluble in water? A. CH3CH2COCH2CH3 B.…

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Q: Write the Lewis structures with lowest formal charge for the following materials: NO21- ;  NO31- ,…

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Q: Which of the following mixtures can be titrated with separate endpoints? a. two strong acids b.two…

A: The mixtures that can be titrated with separate endpoints is

Q: For the gas phase decomposition of hydrogen iodide at 700 K 2 HI- H2 + I2 the average rate of…

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Q: D. None of the above 11. A 315mL of water was added to 2100 mL of 19M NaCI solution. What is the new…

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