For a given substance, which of the following phase transition is not exothermic? O Gas to solid O Gas to liquid O Solid to gas O Liquid to solid

Q: A solution is made by mixing 14.14 mL of 4.00 M acetone, 21.39 mL of 1.00 M HCl, 10.00 mL of 0.0500…

A: We are given a solution of 14.14 mL of 4.00 M acetone 21.39 mL of 1.00 M HCl 10.00 mL of 0.0500 M I2…

Q: 2. Give the color in solution of each of the following: stotiqlo White to gray ppt AgCl when exposed…

A: Given AgCl PbCl2 Hg2Cl2 PbCrO4  Hg HgNH2Cl  Ag(NH3)2 Cl

Q: 15.91 Classify each of the following species as a Lewis acid or a Lewis base: (a) CO₂, (b) H₂O, (c)…

A: -> Lewis acid is acid which can accepts loan pair from donar compound. -> Lewis base is base…

Q: Suppose a 500. mL flask is filled with 1.7 mol of Cl₂, 0.50 mol of CHCl3 and 1.5 mol of HCl. The…

A: Here we are required to find the equilibrium molarity of CHCl3 when the equilibrium constant value…

Q: Question 16 16. Calculate the mass% of N in (NH4)2CrO4. N=14.00 g/mole, H 1.008 g/mole, Cr-52.00…

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Q: Ionic compounds are formed when a metal reacts with a nonmetal.

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Q: Fish Kills High concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill…

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Q: Draw a picture of a wave with a wavelength of 200nm on a number line like the one illustrated below.…

A: The first image is seems like incomplete question( there is first part of the question).So I solve…

Q: 2. Write in the reagents need to transform benzene into this product. Benzene

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Q: For which of the following gases is the Principle of Corresponding States least likely to be…

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Q: 6. Which of the following structure(s) is/are chiral? Br Br Br 1 Br 2 Br Br 3 Br Br 4

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Q: Draw the substituents of compound A in their proper orientations in the fused chair skeleton on the…

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Q: Calculate the energy (in Joules) for light with the frequency of 3.1 × 10^4 Hz.

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Q: Write the mass-balance expressions for a solution that is a. 0.38 M in HNO₂. M= b. 0.44 M in…

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Q: μmol L A chemist must prepare 125. mL of 31.0 µM aqueous mercury(II) iodide (HgI₂) working solution.…

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Q: What is the relationship between the following pairs of structures? H₂C CH3 H H H H and H H3C CH3…

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Q: Multiply or divide the following measurements. Be sure each a digits. 0.934 cm x 3.825 cm = 339.9…

A: For the correct number of significant figures in multiplication and division ,the least number of…

Q: Suppose a 0.022M aqueous solution of phosphoric acid (H3PO4) is prepared. Calculate the equilibirum…

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Q: to access important values if needed for this question. The boiling point of ethanol, CH3 CH₂OH, Iis…

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Q: 7 Calculate the percent ionization of benzoic acid having the following concentrations: (a) 0.20 M,…

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Q: 2. Which solution would have a higher percent hydrolysis, 0.1 M KC₂H302 or 0.1 M NH4C2H302? Explain…

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Q: d. CuS, CdS e. Bi³+, Cd²+

A: Copper , Cadmium and Bismuth captions belongs to II-A  group.

Q: 4. Reactivity considerations suggest that an unknown compound, which has the mass spectrum shown in…

A: Here Cl (M= 35) or Br (M = 79) atom can be present as halide because molecular weight of the…

Q: Consider the following data on some weak acids and weak bases: name nitrous acid acid hypochlorous…

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Q: through an acid-base reaction? Choose all that apply. A) Water B) Diethyl ether C) Ethanol D…

A: Organic reactions are those in which organic reactant react to form organic products. Grignard…

Q: 3. The substitution of Co²+ for Zn²+ in metalloproteins is an example of a substitu- tion probe,…

A: Zn2+ is really a good metal center for enzymes where it can act as hydrolyzing, amino acid cleaving…

Q: 30 atoms of calcium weigh

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Q: What are the different solubility, polarity and boiling points of functional organic compounds:

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

Q: You want to make a 100 mM buffer at pH 6.0 using succinic acid.  How many moles of [HA] and [A-] do…

A: Concentration of buffer solution= 100mM = 100 ×10-3 M  (1 mM = 10-3 M)  pH = 6.0

Q: [References] Use the References to access important values if needed for this question. The boiling…

A: Given, mass of TNT (trinitrotoluene) = 11.96 g Molar mass of TNT (trinitrotoluene) = 227.1 g/mol…

Q: 2.24 What are the partial half-lives for the two major modes of decay for Cl?

A: 2.2 Partial half-lives for the two major modes of decay for 36Cl are 3.06 x 105 years and

Q: Consider the following data on some weak acids and weak bases: name acid hydrocyanic acid nitrous…

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Q: A compound is composed of the elements, carbon, hydrogen, and oxygen only. Combustion of the…

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Q: What is an example of the success of eusocial insects? O Only 2% of insects are eusocial but they…

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Q: The density of water at 40.0 °C is 0.9922 g/mL. If the specific gravity of acetic acid is 1.035 at…

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Q: What is the wavelength of a light with a frequency of 7.26 * 10¹4 Hz? What region of the EM spectrum…

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Q: Calculate the pH of a 0.78 M KOH solution. Be sure your answer has the correct number of significant…

A: pH is defined as the negative logarithm of H+ ion concentration in solution.It is expressed as  pH =…

Q: The following chemical reaction takes place in aqueous solution: Cu(NO3), (aq)+Na₂S(aq) → CuS(s)+2…

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Q: Solution 1 Number Volume 10.0 9.5 9.0 8.0 6.0 HOAc (mL) Volume NaO Ac (mL) Volume Total (mL)…

A: This is a problem based on acid base concept. We will be using the Henderson's equation to find out…

Q: name nitrous acid hydrofluoric acid 0.1 M KF solution 0.1 M NaNO₂ Ka formula HNO2 4.5 × 10 0.1 M…

A: pH is defined as the negative logarithm of H+ ion concentration and expressed as pH = -log [H+]…

Q: However, while helium and krypton are very close to ideal gases, they are not exactly ideal.  What…

A: For gas atoms/molecules to be ideal, we consider that there is no intermolecular force of attraction…

Q: 6. You prepare a 0.25 M solution of alanine at pH = 2.75. What are the concentrations of the species…

A: Given the molarity of alanine = 0.25 M pH of the solution = 2.75  Alanine is an amino acid without…

Q: Calculate the mass of forsterite (Mg₂ SiO4) that contains a billion (1.000 × 10³) magnesium atoms.…

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Q: The combustion of ammonia in the presence of excess oxygen yields NO2 and H2O: 4 NH3 (g) + 7 O2 (g)…

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Q: Why is it important to use the same mass of solution in the neutralization reaction as was used in…

A: Calorimetry: The amount of heat absorbed or evolved by a chemical reaction can be determined by…

Q: Fill in the missing words What is the correct IUPAC name for the following? No capitalization, no…

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Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.293…

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Q: QUESTION 3 State modifier and electrochemical method that can be used for the detection of the follo…

A: Electrochemical analysis is a collection of techniques that use electrical stimulation to analyze…

Q: 24.5mL aliquot of 0.0934M H2SO4 (aq) is to be titrated with 0.0295M NaOH (aq).  What volume (mL) of…

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Q: Why do the hydrogens on the methyl groups have duplets?

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