Use the dropdowns to create a correct and complete isotope notation. An isotope has 108 neutrons and 74 protons. The correct isotope is: [ Select ] [ Select ]

Q: Br +bu- Ok DMSO Ph Me Ph Me A Ph H Me Me w Br Ph 4 Br Br Me (1) th Br Me Ph (2) (B) (4)

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Q: When [Hg2+] = 1.16 M, the observed cell potential at 298 K for an electrochemical cell with the…

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Q: Q3: An equimolar liquid mixture of ethanol and water is in equilibrium with its vapor at 50° C.…

A: Given:Temperature of vapor = 50 C = 323 K Molecular mass of water = 18 g/mol Molecular mass of…

Q: A voltaic electrochemical cell is constructed using the following reaction. The half-cell components…

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Q: N,N-Dimethyltryptamine (DMT) is a powerful hallucinogenic that is being trialled (in low doses) to…

A: The given molecule, DMT is highly non-polar and hence very less soluble in the bloodstream and gut.

Q: [References] For each structure on the left, pick an identification on the right. Clear All HN CH-…

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Q: M Potta sium eiest When 25.0mL of a 3.16 X15 Carbanate solution is combined uwith 15:0mLof a…

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Q: A- demonstrate the crystal structures of Bi2Te3   B- provide the figures of Miller planes 100,…

A: The crystal structure of Bi2Te3 is rhombohedral tetradymite-type with the space group R-3m, and is…

Q: A mixture of hydrogen, nitrogen, and ammonia is brought to equilibrium at 25 °C. Analysis of the…

A: The reaction is as follows: 3H2(g) + N2(g) ⇌ 2NH3(g) The equilibrium concentration is as follows: H2…

Q: Instructions: Answer the following and show your solution. Round off all numerical answers to three…

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Q: 54.3 g of potassium bromide are dissolved in 32.0 mL of water. What is the concentration of the…

A: Given, mass of potassium bromide = 54.3 g Note: assuming no change in the volume Volume of water =…

Q: In the LCAO method, the energy versus separation for a diatomic molecule revealed that a bonding…

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Q: Chemistry All of the following complexes have an octahedral structure. Fill in the blanks in the…

A: To solve this question it is very important to get an idea about the oxidation state and electronic…

Q: NO3. R' - NO2 R'

A: pericyclic reactions

Q: What pressure will be exerted by 0.450 moles of a gas at 25°c if it is contained in a vessel whose…

A: We can calculate the pressure of gas using the ideal gas equation. PV = nRT

Q: Calculate the Keg if all are gases. 5 2 NH3 1.000 atm 0.600 atm 0.400 atm N2 3 H2 heat start: equil:…

A: For an equilibrium reaction , expression for Keq is written in terms of concentration of gaseous…

Q: Calculate AG° for the following reaction at 25°C: 3P62*(aq) + 2Al(s) 2 3Pb(s) + 2A*(aq) kJ/mol

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Q: Consider the atomic centers in the system below, in point group Dah- Develop a transformation matrix…

A: Character is developed for a particular symmetry element by operating that symmetry and after…

Q: Br meso-2,5-bromohexane Br not isomers at all identical constitutional isomers enantiomers…

A: Here we are required to find the relationship between two compound

Q: The formation constant of a complex ion [M(NH3)4]2+(aq) is 1.8E8. If a solution is prepared by…

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Q: Suggest the enzymatic pathways that are involved in the metabolism of heroin and codeine.

A: Enzymes can be defined as biological catalysts that increases rate of many biological processes in…

Q: Determine the pH and percent ionization for a hydrocyanic acid (HCN) solution of concentration 6.2 x…

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Q: 1. How many moles are present in the 5.00 g of sodium bicarbonate you used for this experiment?

A: Moles of molecule can be calculated using given mass divided by its formula mass.  Moles = Given…

Q: Solid ammonium carbonate is slowly added to 150 mL of a 0.0645 M magnesium acetate solution. The…

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Q: The following is a table of water vapor pressure in millibar (mbar) vs Temp in °C. In your own…

A: We are given the vapor pressure of water in mbar at different temperature(oC) values in increasing…

Q: A=B When a curved arrow starts from an bond and points to an adjacent atom, the n bond breaks and…

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Q: Calculate the kinetic energy of a 311. kg car moving at a speed of 10.8 Round your answer to 3…

A: kinetic energy of an object is defined as the energy that the object possesses due to its motion.

Q: Would you expect the bond between the carbon and oxygen atoms to be stronger in CO32- or CO2?…

A: Carbon dioxide has more strong carbon oxygen Bond than carbonate ion.  The bond order for CO2 is 2…

Q: Que- Pro posea two reaction sequenie to con vert each of the fallowing Subs trates in to the…

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Q: How long will it take to plate out 1.0 g Ni from aqueous Ni2+ with a current of 119.9 A? HOW DO WE…

A: Redox reaction is process in which both oxidation and reduction occur simultaneously.

Q: The half life for the radioactive decay of carbon-14 to nitrogen-14 is 5.73 × 10° years. Suppose…

A: Carbon 14 →Nitrogen-14 Half life t1/2 = 5.73×103 years In a nuclear reaction Nitrogen-14 is 0.524…

Q: Chemistry 1. CH3MgBr H 2. H30 What is the stereochemistry of the product of the above reaction? O…

A: ->Grignard reagent is reagent which has nucleophilic part which give nucleophilic addition…

Q: 04 Question O See page 510 100.0 mL of a solution of physiological saline (0.92% NaCI by weight) is…

A: Answer: Formula to calculate osmotic pressure is shown below: π=ιCRT Here: π=osmotic pressureι=von't…

Q: The following reaction is studied in the laboratory: 3X4 → 12Y8 + 4Z It is determined that at…

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Q: 05. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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Q: (c) Explain how activity (a) is related to concentration (C) and state why at very low salt…

A: Activity of a solution is the exact of effective concentration of a matter that participate in…

Q: This question has multiple parts. Work all the parts to get the most points. Balance the following…

A: Here we have to balance the above reaction in basic medium by ion- elctron method.

Q: 1- How can you prepare 5% NaOH solution

A: can be solved by mass by volume concept

Q: A) Order the substances below from lowest to highest entropy at 25oC. HCl(g) H2O(l) H2O2(l)…

A: Answer: Entropy of a system is the measure of its disorderliness or randomness. In more possible…

Q: Correctly identify the structure for this molecule: 3-chloropentanoic acid Select one: О а. HO. ČI…

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Q: A chemist fills a reaction vessel with 0.894 M lead (1) (Pb") aqueous solution, 0,424 M bromide (Br)…

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Q: formula of the oxidizing agent

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Q: What is the molarity of toluene in a solution that is prepared by adding 57.9 g of toluene (C7H8)…

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Q: EAS Reaction 2 16 Choose the product(s) of the sulfonation of acetanilide: Fuming sulfuric acid is a…

A: It is an electrophilic aromatic substitution reaction

Q: Calculate Ksp for zinc sulfide from the following data: ZnS(s) + 2e¯ –→ Zn(s) + S²- (aq) ɛ° = -1.41…

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Q: 1. Illustrate a balanced chemical equation to synthesise aldehyde/ketone from the selected organic…

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Q: Chemistry All of the following complexes have an octahedral structure. Fill in the blanks in the…

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Q: Review Topica) (References Use the References to access important values if neede The pH of an…

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Q: Solid silver acetate is slowly added to 50.0 mL of a 0.126 M potassium sulfide solution until the…

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Q: a 16.7 g polystyrene foam cup containing 31.0 mL coffee changes in temperature from 18 degrees…

A: Given: Mass of polystyrene foam cup = 16.7 g Volume of coffee = 31 mL = 31 x 10-6 m3 Change in…

Group 14 Elements

The following elements come under group 14 of the periodic table.