Mg3(PO4)2 (s) Mg2*(aq) + _ PO43- (aq) Mg2* (aq) PO43 (aq) initial change eqm Write Ksn in terms of x. 36 x5 12 x3 3x4 108 x5

Q: 1) A buffer solution contains 0.350 M ammonium bromide and 0.400 M ammonia. If 0.0452 moles of…

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

Q: According to the Bohr model for the hydrogen atom, the energy necessary to excite an electron from n…

A:

Q: A 0.037 M solution of a weak acid (HA) has a pH of 4.59. What is the Ka of the acid?

A: Given :-  Concentration of weak acid = 0.037 M  pH of solution = 4.59  To calculate :-  Value of Ka

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Q: ance the following equations: NH, (g)+O, (g) → NO, (g) +H,0 (g) А.) Al(NO,); + Na,S → Al,S, + NaNO,…

A: To balance the chemical equation we first need to count the number of atoms of each element on both…

Q: Spectra quality in ATR-FTIR is dependent on sample material. True O False

A: Option A is correct answer. True.

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A:

Q: out the chemical reaction between the acetic acid in the vinegar and the sodium bicarbonate in the…

A: Vinegar contains generally 4% acetic acid.

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A: Given that concentration of OH- is each solution as, a. OH- = 10-5 M b. OH- = 10-12 M We have to…

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Q: A certain reaction has an activation energy of 60.78 kJ/mol. At what Kelvin temperature will the…

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Q: e percent dissociation

A:

Q: Arrange the following in order of increasing ionization energy. Ar Cl Li Na P

A: we need to arrange the elements in order of increasing ionization energy

Q: ATR works by measuring the changes that occur in an internally reflected IR beam when the beam comes…

A: We have to tell the given statement is either true or false.

Q: Explain, with the help of structures and curved arrow mechanisms, why trans-2-chloro-…

A: Given:

Q: Draw Your Solution please explain the steps alsd

A: ->Diels-alder reaction is cycloaddition reaction between Diene and dienophile.

Q: Which of the following aqueous solutions are good buffer systems? O 0.14 M hypochlorous acid + 0.18…

A: Buffer solution is combination of weak acid or base with salt of weak acid or base respectively.

Q: Part A A solution is made by combining 15.0 mL of 17.0 M acetic acid with 5.58 g of sodium acetate…

A: Given: Mass of sodium acetate i.e. CH3COONa = 5.58 g. Concentration of acetic acid i.e. CH3COOH =…

Q: How many grams of nickel may be formed by the passage of 4.77 amps for 2.67 hours through an…

A:

Q: 7. In aqueous solution, hydrazine is a base that can accept two protons: N2H4(aq) + H2O(1)…

A: #7 (a): Since Kb2 << Kb1, the OH-(aq) contribution is mainly due to the 1st hydrolysis…

Q: salicylic acid point groups and symmetry detailed explanation

A: The point group of salicylic acid is

Q: places it in a hypertonic aqueouS following best describes what will happen after one hour? A) Water…

A: Correct option is B.

Q: A generalized, unbalanced chemical equation for the synthesis of a compound is given below. A + BC…

A: Limiting reagent is the reagent which controls the reaction. When the amount of limiting reagent…

Q: A solution is made by dissolving 0.706 mol of nonelectrolyte solute in 781 g of benzene. Calculate…

A: Given: The number of moles of the nonelectrolyte solute dissolved in benzene = 0.706 mol The mass of…

Q: equilibrium will _________.   decrease the amount of product   increase the amount of reactants…

A: Equilibrium is affected by temperature.  For endothermic reaction, by increasing temperature…

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Q: Find the percent dissociation of a 0.130 M solution of a weak monoprotic acid having K 1.5 x 10 3.…

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Q: 54 What ester is formed when each carboxylic acid is treated with 2-propanol [(CH),CHOH] in the…

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Q: Calculate the pH of a solution in which one normal adult dose of aspirin (670 mg ) is dissolved in…

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Q: Why does the addition of bromine to fumaric acid require a high temperature for the reaction while…

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Q: Hydrogen can be prepared by suitable electrolysis of aqueous rubidium (Rb) salts   A. True   B.…

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Q: 8.) What is the identity of the unknown gas if it effuses through an orifice 2.55 times faster than…

A: Z= PV/ nRT is known as compressibility factor...

Q: 7 Explain what will happen to the magnitude of the repulsive force between 2 colloidal particles as…

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Q: What is the equation for the reaction of AL(s) and 6MHCl(aq)?

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Q: Calculate Keq for the reaction below given the following information: initial partial pressure of…

A:

Q: Use the data given below to answer the next three questions. 2 N20 (g) + 3 02 (g) → 4 NO2 (g) AH° =…

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Q: If the vaccine effectiveness towards providing protection from hospitalization is 90% which of the…

A: The statement is dealing with only vaccinated people so we can ignore the options related to…

Q: 21.A researcher was asked to prepare butylbenzene from benzene. They chose to use chlorobutane and a…

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Q: During dehydration reactions, the hydrogen atom maybe removed from an oxygen atom whereas in a…

A:

Q: In using ATR-FTIR, liquid samples need no additional pressure because it is always in optimal…

A: True. Option A is correct.

Q: How many grams of NaOH are there in 333. mL of a 0.90 M NaOH solution?

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Q: 23. SYNTHESIS! Show how the two compounds below can be synthesized from benzene. You may use any…

A: Benzene undergo different types of electrophilic substitution reactions-  1- nitration 2-…

Q: Draw the products of each acid-base reaction. a. + NaOH OH bmou

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Part A A step-up transformer increases 19 V to 240 V What is the current in the secondary coil as…

A: We know that, power = voltage difference × electric current P = VI

Q: Draw the products expected from the addition of bromine to an alkene and to an alkyne.

A: The product of bromination of alkyne and Alkene is given below

Q: H3C,,, + enantiomer CH3 H3C CI

A: ->First of all there occur elimination reaction in presence of base and alkene formed. -> Then…

Q: High-pressure ATR is used to analyze very hard sample. O True O False

A: Option A is correct answer True.

Q: 17. (5 pts.) Given the following balanced net ionic equation: Mn + Cr+2 (aq) → Mn*2 (aq) + Cr (s)…

A: Oxidation and reduction reaction: A oxidation reaction is the loss of electrons during a reaction by…

Q: Find the pH of a 0.145 M HCIO2(aq) solution. For HCIO2, Ka = 0.011. O 0.84 O 1.46 O 1.34 O 1.40

A: Given: Concentration of HClO2 = 0.145 M And Ka of HClO2 = 0.011