Fill in the information missing from this table. nuclide protons neutrons Z A 0 67 98 0 0 0 0 0 0 0 21 45 128 54 Xe X

Q: A solution is prepared by adding 500 mL of 0.30 M NaCN(aq) to 500 mL of 0.40 M HCN(aq) at 25 degrees…

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Q: For the reaction bellow: CnH(2n+2) + a(0₂ +3.76 N₂) → nCO₂ + (n + 1)H₂0 +3.76a N₂ If the heat of…

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Q: The reaction Na₂SO4 10H₂O → Na₂SO4(s) + 10H₂O(g) has a K₂ = 5.38 × 10-¹2 at 21.3°C What is its Ke? R…

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Q: Octane is a primary constituent of gasoline, burn in air according to the following reaction: C8H18…

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Q: Mailings Review 3. a) Draw the following structures on a piece of paper, take a picture of them and…

A: The chemical structure represents the arrangement of atoms in the compounds.

Q: Synthesize the product starting from benzene. CH3 CH₂ C1 Cl₂ [A] AIC13 FeCl3 KOC(CH3)3 [C] [G] A [D]…

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Q: Rank the following compounds in order of their basicity, from most to least basic: NH₂ most least…

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Q: The water in a certain pool has a concentration of 3.38 mg/L of Fe^3+ ions. Express this value as…

A: Given  Concentration of Fe3+ = 3.38 mg/L Concentration in parts per billion =?

Q: (Q122) Which of the following is a unit used for measuring the biologically effective radiation dose…

A: Hence option (c) is correct answer

Q: If you have 155 mL solution of a 0.762 M FeCl, solution, how many moles of FeCl, are contained in…

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Q: A chemist adds 305.0 mL of a 0.41M barium chloride (BaCl₂) solution to a reaction flask. Calculate…

A: Given,  Volume of solution = 305.0 mL                                     = 0.305 L  Concentration…

Q: Coefficients in the balanced equation give a mole ratio that allows the needed amount of NaBH4 to be…

A: Reaction between NaBH4 to form B2H6 is given as,2NaBH4+I2→B2H6+2NaI+H2

Q: Given the electrochemical reaction, Mg/ Mg 2(aq) // Zn²(aq)/Zn, E = +1.61 V. If the standard…

A: The Ecell of the reaction is the difference between the reduction potential of cathode and reduction…

Q: Results from a conductivity test B If each of the following substances were tested with a…

A: Solution: In both the condition , the current is flowing but in Case A the intensity is more than in…

Q: how many orbitals can have the following set of quantum numbers n = 3    l = 2   ml = -2 1, 2, 5, 7…

A: Given: The set of quantum numbers: n = 3,    l = 2,   ml = -2 We have to find the number of orbitals…

Q: A sample of seawater contains 1.9 g of calcium ions in 5364 kg of solution. What is the calcium ion…

A: Given  Mass of solute (calcium ions) = 1.9 g Mass of solution = 5364 kg = 5346×103 g Concentration…

Q: f RNA polymerase III and DNA polymerase III in E

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Q: A 0.77 mol sample of PCs is put into a 2.4 L vessel and heated. At equilibrium, the vessel contains…

A: Equilibrium constant can be defined as the ratio of concentration of products to concentration of…

Q: A saturated solution of a metal hydroxide with the chemical formula X(OH)2 was filtered and 25.00 mL…

A: Given :  Volume of saturated solution of X(OH)2 = 25.00 ml  Concentration of HCl solution = 0.0050 M…

Q: The weedkiller propanil used in the rice fields is an amide. Write the analysis and synthesis this…

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Q: (23) The first five steps of the californium-252 decay chain consist of three a-decay steps,…

A: we have to find the daughter nuclide

Q: Hypochlorous acid (HCIO) is a weak acid with pK, 9.21. For a 0.10 M aqueous solution of nitrous…

A: Given :  Concentration of HClO = 0.10 M  pKa of HClO = 9.21

Q: 10) Give the number of lone pairs around the central atom and the C) 2 lone pairs, bent D) 3 lone…

A: As mentioned, let us discuss 11th question. We have to find out the hybridization of OBr6.

Q: Suggest a reasonable Geranylgeranylpyrophosphate. GPP معة biosynthesis of diterpene OPP…

A: By ionizing, the diphosphate functionality, followed by a 2,3 double bond isomerization, a tertiary…

Q: 54. How and why do chemical reaction rates depend on temperature?

A: The rate of the reaction depends on the temperature.  For more than one question, we are asked to…

Q: N2 (g)    +          3H2 (g)                          2NH3 (g)           DH is negative   From the…

A: Le Chatelier's principle: According to the Le Chatelier's principle when a change in concentration…

Q: A certain reaction A -> B + C proceeds in second order overall. Which of the following…

A: For the second-order reaction, the sum of the exponents in the rate law is two. The rate of…

Q: Calculate the solubility of lead(II) iodide, PbI2, in 0.025 M KI. For PbI2, Ksp= 7.9x10^-9

A: Given :  Concentration of KI = 0.025 M  Ksp of PbI2 = 7.9 x 10-9

Q: 1. Consider the voltaic cell in which the reaction is 2Ag+ (aq) + Cd(s)→ 2Ag(s) + Cd+2 (aq) Use…

A: Given-> 2Ag+(aq) + cd(s) ----------> 2Ag(s) + cd2+(aq)

Q: N

A: Under acidic condition ring opening of epoxide occurs from the more hindered site.

Q: A 1.37 M aqueous solution of citric acid (H3C6H5O7) has a density of 1.10g/cm^3. What is the mole…

A: Assume you have 1 L of the solution. That 1 L will contain 1.37 mol citric acid, and the solution…

Q: Date: Name: 6. The decomposition of H₂O₂ as a function of time is shown in the following table.…

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Q: Write about the potential for human exposure to lead

A: Lead is a naturally occurring toxic metal found in the Earth's crust. Exposure to high levels of…

Q: Black Forest Biologicals, a biotech startup, has a promising Alzheimer's drug candidate Compound…

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Q: 9) Which of the following is a tertiary alcohol? a. CH₂-CH-OH b. CH₂ CH₂-CH-OH C. d. CH₂ CH₂-C-OH…

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Q: 20) Which molecule is a primary amide? A) CH,CH2NH(CH3)2 B) CH3NHCOCH3 C) C6H5CONH2 D) CH3NHCH₂CH3

A: Dear student , since you have posted multiple questions we will allow to solve only first question…

Q: 2+ The binding constant for the Mg²+ ion to ATP is about (0.1 mM)¹. How much energy is required to…

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Q: Aqueous sulfuric acid (H₂SO4) will react with solid sodium hydroxide (NaOH) to produce aqueous…

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Q: ----) A vessel has content 0.2 of C₂H6 & 0.6 Oxygen as at 2000K, find the time to consumption all…

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Q: Draw the product(s) of the following reactions. CH3CH₂CH₂-CEC-H 1. BH3/THF 2. H₂O₂ / aqueous NaOH

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Q: QUESTION 7 According to the chemical reaction shown below, which of the following is true if H2 was…

A: we have to identify the true statement

Q: 10.) A 0.6025 g sample was dissolved and the Ca 2+ and Ba 2+ ions present were precipitated as…

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

Q: all hydrogens are homotopic for which of the following conditions -just structure A -just structure…

A: Stereochemistry is branch of chemistry in which we deal with three dimensional arrangement of atoms…

Q: Complete the following table, which lists information about the measured acid dissociation constants…

A: pKa value: pKa value negative logarithm of the acid dissociation constant (Ka). pKa = -logKa Low pKa…

Q: 300.0 mL of a 0.440 M solution of Nal is diluted to 700.0 mL. What is the new concentration of the…

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Q: Radioactive decay is usually. Select one: O a. second order Ob. first order O c. zeroth order O d.…

A: The process in which an unstable atomic nucleus releases energy in the form of radiation is known as…

Q: 3. How many milliliters of 0.1 N sodium hydroxide will be needed to neutralize a 25.00-mL solution…

A: this can be solved by considering that at equivalence point when the acid is completely neutralized…

Q: please answer, d, e, f, g, h, i

A: Esters are alkyl derivatives of carboxylic acids. IUPAC name of ester is alkyl alkanoate as it…

Q: Given the balanced redox reaction is as follows: 2Cr(OH)3(s) + 6ClO-(aq) → 2CrO42-(aq) + 3Cl2(g) +…

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Q: 3.Propene can be reacted with hydrogen gas through an addition reaction to form propane. Estimate…

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