What is the pH of a 0.660 M solution of NaCN (Ka of HCN is 4.9 × 10-¹⁰)?

Q: At 27 °C, K₂= 1.5 × 1018 for the reaction 3NO(g) N₂O(g) + NO₂(g) If 0.030 mol of NO were placed in a…

A: The given reaction is: 3 NO(g) ⇌ N2O(g) + NO2(g) Kp = 1.5×10^18 at 27°C.

Q: Read each description in the first column of the table below. If any chemical element with atomic…

A: Answer: In the given questions we have to find out if any element with atomic number less than or…

Q: A 0.150 M solution of a weak acid has a pH of 2.51. What is the pKa of the acid?

A: The given information is as follows:     The concentration of weak acid = 0.150 M The pH of the…

Q: For both (i) and (ii) give a qualitative justification for each molecule which of these molecules…

A: A molecule is rotational Raman active only when it shows a change in molecular polarizability. A…

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Q: The Solubility Product Constant for iron(II) carbonate is 3.5 x 10-¹¹. The molar solubility of…

A: Since the each question uploaded is different, we can solve only first two questions. If you want…

Q: Label the functional groups and identify the correct compound based on the IR spectrum. It is hard…

A: The question is based on the concept of IR spectroscopy. We need to identify the compound.

Q: 5) The pKa of hydrozoic acid, HN3, is 4.72. It reacts with water according to the reaction shown…

A: pKa of hydrazoic acid is 4.72. We have to calculate the pH of solution formed 100 mL of 0.900 M of…

Q: draw IR for the following  methyl butanoate benzaldehyde 1-chlorobutane

A: Since you have asked multiple sub-questions, we will solve the first three subparts for you. If you…

Q: The half-life of a reaction, f/2, is the time it takes for the reactant concentration [A] to…

A: Chemical kinetics is branch of chemistry in which we deal with speed at which rate of reaction…

Q: The initial concentration of nitrogen trioxide is 1.785x10¯ M, however after 2.79 h the…

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Q: Draw the organic product(s) formed when CH3CH₂CH₂OH is treated with each reagent. a. H₂SO4 d. HBr b.…

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Q: The pressure P (in kilopascals), volume V (in liters), and temperature I (in kelvins) of a mole of…

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Q: 3) A buffer was made using 0.10 moles of A- and 0.010 moles of HA, to form 1.00 L of solution. If…

A: Buffer solution are those which resist the sudden pH change.  Buffer solution are two types acidic…

Q: Provide the IUPAC name for the compound shown here. SH SH OH

A: Since,Rule of IUPAC-1) Longest chain as parent chain.2) Numbering start from those side where more…

Q: The production capacity for acrylonitrile (C3H3N) in the United States is over 2 billion pounds per…

A: A limiting reagent is the species that is used up first in the chemical reaction. It decides the…

Q: What is the coordination number of the metal atom in the [Cd(EDTA)]- complex? X 5 +

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Q: Draw the skeletal (line-bond) structure of (2R, 3S)-3-chloro-2- pentyldimethylamine. Use a dash or…

A: Bond-line formula is the representation of bond present in the organic compound by line.

Q: based on the structure of compound A and the conditions used, explain in one or two sentences…

A: The given reaction scheme is shown below We have to tell the reaction follows which type of…

Q: Consider the reaction between H3PO4 and NH3 to produce (NH4)2HPO4. (a) What mass of ammonia would…

A: Reaction is  H3PO4 +  2 NH3 → (NH4)2HPO4 In this reaction 1 mole phosphoric acid react with 2 mole…

Q: SA 4A SA 6A 7A He Li Be BC N O F Ne Na Mg 38 48 18 20 Al Si P S Cl Ar K Ca Sc Ti V Cr Mn Fe Co Ni Cu…

A: Hund's rule of maximum multiplicity: According to this rule, pairing of electrons in the orbitals of…

Q: Provide the major organic product for each of the reactions below. If a specific stereochemistry…

A: The reaction of alkene with B2H6 then H2O2 , NaOH is known as hydroboration - oxidation reaction.…

Q: If the concentration of a reactant X, [X] changes from 1.5 M to 0.5 M over 10 seconds, the rate…

A: Initial concentration of X = [X]0 = 1.5 M Later concentration of X = [X]t = 0.5 M Change in time =…

Q: Question 10 of 35 View Policies Current Attempt in Progress At a certain temperature, the reaction…

A: Volume = 1 L Moles of HF = 0.024 mol

Q: The equilibrium constant, K, for the following reaction is 1.20x10-2 at 500. K. PCI 5(8) PCI 3(g) +…

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Q: Construct the expression for Ka for the weak acid, NH4+. NH4+ (aq) + H₂O(1) H3O+ (aq) + NH3(aq) 1…

A: Acid dissociation constant (Ka): it can be define as an equilibrium constant which is related to the…

Q: What is the volume of this graduated cylinder? Estimate your answer to the nearest 0.01 mL. 7 6

A: The image in the question shows a liquid contained in graduated cylinder. The liquid is transparent…

Q: ARTY (a) Show that dq = nCvdT +(") dV is an exact differential.

A: To show that the expression dq = nCv dt + (nRT/V) dv is an exact differential

Q: What is the expected product of the following reaction sequence? O (A) A 00 O OH SOCI₂ py (B) NH₂…

A: The concept used in this question is taken from general Organic Chemistry.  The correct answer of…

Q: Draw the skeletal (line-bond) structure of 3-methoxypentane OH Identify the correct name for the LL…

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Q: Part A 0.100 M in HBr and 0.140 M in HCHO₂ (K₁ = 1.8 x 10-¹) Express your answer to two decimal…

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Q: At a certain temperature, 0.4811 mol of N₂ and 1.601 mol of H₂ are placed in a 3.00 L container.…

A: Since,Equilibrium constant or Kc is the ratio of the equilibrium concentrations of product over…

Q: 9) Which is the most strongly paramagnetic? A) Cl₂2 B) S₂ C) 0₂+ D) N₂t E) H₂

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Q: A 2.78 ✕ 10−4 M solution of a compound has an absorbance of 0.417 at 520 nm in a 1.00 cm cell. The…

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Q: Draw the product of the reaction shown below. Ignore inorganic byproducts. Br NaOH OH I

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Q: Use the following equilibrium. H2(g) + CO2(g)  H2O(g) + CO(g)    K = 16.0 The initial partial…

A: H2(g) + CO2(g) ⇌ H2O(g) + CO(g)    Equilibrium constant (K) = 16.0 Initially Partial pressure of H2…

Q: b.Alkylation Reaction + Br 브

A: A question based on reactions of aromatic compounds. Structure of an organic compound is given for…

Q: The most acidic of the following 0.10 M salt solutions is (a) Na2S; (b) NaHSO4 ; (c) NaHCO3; (d)…

A: Acidity is defined as the ability of a molecule to release protons.  if a compound  easily donate…

Q: What is the atomic mass of a metal (M) if 4.17 g of MCl2 produces 12.55 g AgCl in the following…

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Q: H+ HO HC1 (Excess) OH 1. LiAlH 4 2. H₂O* H₂ Pd/C 1. CH 3MgBr 2. H₂O+

A: LiAlH4: Reduces aldehyde and ketone  to alcohol HCl: adds to alkene to produce chloroalkane MeMgBr:…

Q: Course Contents Graded Homework Oraded Homework Liectrochem... Electrochem IV PIObiem What mass of…

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Q: Consider the titration of 36.0 mL of 0.123 M ammonia with 0.0766 M HCl. (See the Acid-Base Table…

A: Answer:- This question is answered by using the simple concept of calculation of pH at different…

Q: 6.44 L cylinder contains 2.27 mol of gas A and 3.70 mol of gas B, at a temperature of 29.2 °C.…

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Q: What are the factors that affect buffer capacity? Explain in 2-3 sentences.

A: Buffer Solution is a water solvent which consists of a mixture containing a weak acid and the…

Q: Qualitatively predict the sign (positive or negative) for AS sys and AS surr for each reaction.…

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Q: To what temperature must air be cooled to remove 40% of its heptane vapor content? The airstream is…

A: Given  The airstream is presently at 150 C and 1 atm, and contains 50,000 ppm heptan.

Q: НО

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Q: A solution contains Cr³+ and Mg2+. The addition of 1.00 L of 1.52 M NaF solution is required to…

A: l

Q: What is the diagram of the born haber cycle of cesium oxide?

A: The Born-Haber cycle is a theoretical model that helps explain the formation of ionic compounds,…

Q: 11. Write the net ionic equations for the reaction of the strong acid with (a) Fe₂S3 (b) Mg(OH)2 (c)…

A: Here I have taken mainly hydrochloric acid (HCl) & sulfuric acid (H2SO4) as strong acids. These…

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red. 

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.