[OH-] = 2.3 × 10-10 Express the concentration to two significant figures and include the appropriate units. HẢ ? [H3O+] = Value Units

Q: 1.) Given the reaction: PCl3(g) + Cl2(g) ⇌ PCl5(g) Kc = 24.3 Suppose the system at that particular t...

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Q: Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium b...

A: The reaction between HBr and NaOH is HBr + NaOH -------> NaBr + H2O  

Q: Which has the greatest buffering capacity? 0.821 M HF and 0.713 M NaF O 0.121 M HF and 0.116 M NaF )...

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The buffe...

Q: e the percent yield of se

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Q: Liquid hexane (CH; (CH,), CH;) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide...

A: No. of moles = mass/molar mass  Mass = moles × molar mass  Percent yield = {actual yield/theoretical...

Q: What is the conjugate acid of HPO2²- ? Express your answer as a chemical formula.

A: • We need to write the conjugate acid of HPO22-   

Q: ii) Insert the chart of IR spectrum of Ni(DMG)2 160 Precursor 140 120 100 80 60 40 4000 3500 3000 25...

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Q: Photosynthesis in plants converts carbon dioxide and water into glucose (C,H1206) and oxygen accordi...

A: Dear student,  Since you have posted multiple questions, the answer for first question is given belo...

Q: ОН CH,=CH–Ĉ–CH3 CH3-CH2-CH2-C-H A + CH,CH3

A: It is Robinson annulation reaction.  

Q: Nitrogen and oxygen react to form nitrogen monoxide, like this: N2(9)+O2(9) → 2 NO(g9) The reaction ...

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Q: Is the use of an indicator to determine a concentration using titration as good as using a pH meter?...

A: The explanation of the following is:  

Q: This reaction uses 24.1 g of copper(I) sulfide. Determine the volume of sulfur dioxide gas that woul...

A: According to the Law of conservation of mass " all atoms of different elements must be equal on both...

Q: A 0.164 M weak acid solution has a pH of 2.92. Find K, for the acid.

A: Given :- initial concentration of weak acid = 0.164 M  pH = 2.92  To calculate :-  value of Ka  

Q: 1a. Determine the molarity of 500. mL of a solution with 0.35 mol of dissolved solute. 1b. A 200. ml...

A: Molarity = number of moles of solute/volume of solution (L)  Number of moles = mass/molar mass   

Q: When the following equation is balanced properly under acidic conditions, what are the coefficients ...

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

Q: A shell fossil that originally contained 100 mg of carbon-14 non contains 75 mg of the isotope. Dete...

A: Initial amount, [A]0 = 100 mg  Final amount, [A] = 75 mg  Half-life, t1/2 = 5570 years 

Q: Identify the acids, bases, conjugate acids, and conjugate bases in the reaction below. "C." stands f...

A: Given :-  CN1-(aq) + HC2H3O2(aq) <----> HCN(aq) + C2H3O21-(aq)  To identify :-  acid, base, co...

Q: Which order of kinetics does reactant 31 follow? First Third Zero Second

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Q: Annotate the given IR spectrum. Does this IR spectrum match one of chalcone?

A: IR spectrum of a chalcone

Q: A mixture of krypton and neon gas is compressed from a volume of 96.0L to a volume of 86.0 L, while ...

A: Given data : 

Q: Mixing which of the following pairs will make a buffer solution? O CsF, HF O KBr, HBr O Nal, HI RBCI...

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Q: An unknown compound has the following chemical formula: where x stands for a whole number. Measureme...

A: Given molecular formula: PxCl5 Moles of P = 9.9 mol Moles of Cl = 49.60 mol

Q: Liquid hexane (CH; (CH;)¸CH;). reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide...

A: Given: The mass of hexane = 34.5 g The mass of oxygen gas = 64.4 g We have to calculate the theoreti...

Q: You need to make an aqueous solution of 0.176 M zinc iodide for an experiment in lab, using a 250 mL...

A: Volume of Zinc Iodide Solution = 250 ml = 0.25 L Molarity of Zinc Iodide Solution = 0.176 M    

Q: Half-reaction E° (V) Hg2+(aq) + 2e Pb2+(aq) + 2e Hg(I) 0.855V → Pb(s) -0.126V Mg2+(aq) + 2e Mg(s)-2....

A: The species which have greater Eo value of reduction will be reduced by easy means.  So, it will be ...

Q: Но. HO. (а) H. .CH2 „CH2 CH2 H CH3 `CH3 H (b)

A: 1. Carbonyl compound acts as electrophile and nucleophilic attack of KCN gives cyanohydrin as a prod...

Q: Identify the oxidizing agent in the following reaction:   8 H+ + IO4- + 8 Ru2+ → 4 H2O + 8 Ru3+ + ...

A: The oxidizing agent in the above reaction is given below

Q: Lewis structure name of highlighted group H H .. H C -О — Н - н н

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Q: 2D raw the lewis structure.and Specify the molecolar geometry for one Cental atonm pær Structure, In...

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Q: How many MOLECULES of boron trifluoride are present in 2.32 moles of this compound? Answer: Molecule...

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Q: Aqueous sulfuric acid (H,SO,) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium su...

A: To solve this problem we will use the balanced chemical equation . First we calculate the limiting r...

Q: 10) Calculate the moles of magnesium ( Show your calculation

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as...

Q: 1a. How many moles of M9SO, are contained in 50. mL of a 3.0 M solution? 1b. How many grams of CaCl,...

A: Formula of molarity is:-  Molarity = moles ÷ volume(L) 

Q: A voltaic cell is constructed from a standard Cu2+|Cu half cell (E°red 0.337V) and %3D a standard H*...

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Q: The diagram represents the equilibrium state for the reaction X,(g) + 2 Y(g) = 2XY(g) Assuming the v...

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Q: Calculate the kinetic energy of a 109. mg raindrop moving at a speed of 7.9 Round your answer to 2 s...

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Q: When the Pb2+ concentration is 1.30 M, the observed cell potential at 298K for an electrochemical ce...

A: The net cell reaction :  Pb2+(aq) + Zn(s) ---> Pb(s) + Zn2+(aq)  The observed cell potential = 0....

Q: What is the pH of a 1.2 M pyridine solution that has Kp = 1.9 x 10 9? The equation for the dissociat...

A: The concentration of pyridine = 1.2 M  Kb = 1.9 × 10-9  The dissociation equation of pyridine :  C5H...

Q: For an exothermic solution, which of the following statements is true? A) The solute will be more so...

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Q: Determine the percent ionization of a 0.230 M solution of benzoic acid. Express your answer using tw...

A: Given Data :  Initial concentration of acid = 0.230 M  We know , ka for benzoic acid is 6.5 × 10-5  ...

Q: Consider the following nuclear symbols. How many protons, neutrons, and electrons does each isotope ...

A: 3216R - - > Protons = 16 Neutrons =16 Electrons = 16 Element = Sulphur (S)   

Q: Predict whether the following NH4CN solution will be acidic, basic, or essentially neutral. Explain ...

A: In case of salt hydrolysis one acid and one base are generated.  If acid is stronger than base then ...

Q: Gaseous methane (CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (Co,) an...

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Q: Determine the entropy difference between solid and liquid states for a substance melting at 100 °C a...

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Q: The molar absorptivity of a compound at 500 nm wavelength is 252 M-1cm-1. Suppose one prepares a sol...

A: 1.)  We would use formula of Absorbance.        Note : As you have uploaded two questions, I'll ans...

Q: 1. Provide the structure of the final major product for the reaction. AICI3 CI 2. Benzyl bromide is ...

A: 1. AlCl3 is a Lewis acid and reacts with any alkyl halide and captures Cl- ion to form a carbocation...

Q: What is the calculated value of the cell potential at 298K for an electrochemical cell with the foll...

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Q: Which of the following is the C3 epimer of L-idose? но но Но но H- он H- OH но но но H. OH OH H- он ...

A: The C-3 epimer of L-idose is given below

Q: exothermic Is the reaction exothermic or endothermic? endothermic up Does the temperature of the wat...

A: Work is done by the system, sign will be negative.  Work is done on the system, sign will be positiv...

Q: The bromination of stilbene is classified as: Oxidation reaction Saturation reaction Addition reacti...

A: The details about bromination of stilbene is given below.

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.