An unknown weak base with a concentration of 0.0910 M has a pH of 10.90. What is the Kb of this base?

Q: Draw structural formulas for an aldehyde or ketone and alkyl (or aryl) bromide that could be used in…

A: Here, we have to find the structural formulas for an aldehyde (or ketone) and the alkyl bromide (or…

Q: Estimate the IR stretching frequency (in cm³¹) for the indicated bond in the molecule below. Do not…

A: Given ,  Bond under consideration C=O

Q: reaction BH3(aq) + NH3(aq) → BH3NH₂(aq) HCN(aq) + CH3NH₂(aq) → CN (aq) + + CH3NH²(aq) H₂(g) + Br₂(g)…

A: A Lewis acid is a species that accepts a pair of electrons . A Lewis base is a species that can…

Q: Devise a synthesis of (E)-3-octene using one of the starting materials and any of the reagents below…

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Q: What volume of 0.860 M HCl, in milliliters, is required to titrate 2.01 g of Na2CO3 to the…

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Q: OH TH -H H N H3C- Dess-Martin periodinane provides a means to oxidize a primary alcohol to an…

A: here is given a step involved in oxidation reaction of alcohol, where -OH group of alcohol attacks…

Q: Q3: Air undergoes a three-process cycle. if the processes are :1→ 2: constant- pressure expansion…

A: We have to calculate the work done for all the three cycles:

Q: The following are ...... O Identical Stereoisomers Different compounds (not isomers) O…

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Q: What volume of 0.125 M oxalic acid, H₂C₂O4, is required to react with 59.8 mL of 0.570 M NaOH? H₂…

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Q: Potassium perchlorate is prepared by the following sequence of reactions: Cl₂(g) + 2 KOH(aq) →…

A: First of all we will add the recation to get final reaction and then by using unitary method,we will…

Q: An unknown compound has the formula C HyO₂. You burn 0.2072 g of the compound and isolate 0.5059 g…

A: Given, An unknown compound having formula CxHyOz. Mass of the compound = 0.2072 g mass of CO2…

Q: Complete the table. That is, fill in any missing entries in the second and third columns. Round your…

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Q: Calculate the number of protons, electrons, and neutrons if the mass number is 82 and the atomic…

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Q: Which of the following compounds is likely to have an unpleasant odor? CH3CH2OH CH3CH2OCH2CH3…

A: For the first question, we have to find the compound that has an unpleasant odor. For the second…

Q: Check whether the wavefunction =sin(34x) is an eigenfunction of the operator then find the…

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Q: An alloy containing Ni, Fe and Cr was analyzed by a complexation titration using EDTA as titrant. A…

A: Given : Weight of sample = 0.7176 g For 50.0 ml Volume 1)26.14 mL of 0.05831 M EDTA 2)0.05831 M…

Q: What is the common name for 1,3-dimethylbenzene? A) ortho-xylene B) cumene C) para-xylene Question…

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Q: Q3: What is the solubility constant of SeCls(salt) if the Chloris ions concentration is [0.001M]?…

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Q: What volume of 0.210 M HNO3, in milliliters, is required to react completely with 4.25 g of Ba(OH)2…

A: To find the volume of HNO3 needed, • Convert given mass of Ba(OH)2 to moles. • From the balanced…

Q: Br он -Br Н-Br В Br Br 2

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Q: Ammonia gas can be prepared by the following reaction: CaO (s) + 2 NH4Cl(s) → 2 NH³ (g) + H₂O(g) +…

A: Given, the theoretical yield of NH3 = 191 g The actual yield of NH3 = 133 g We have to calculate the…

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

A: According to IUPAC , First provide numbering to the longest carbon chain (4carbon chain). Start…

Q: 2CH3CHO + 5O2 -----------> 4CO2 + 4H2O In the equation above, how many molecules of O2 are required…

A: Given that, 2CH3CHO + 5O2 -----------> 4CO2 + 4H2O then,

Q: Which of the following is NOT a chain isomer of n-hexane? O a. 3-methylpentane O b.…

A: Isomers are those structures which are different in Molecular structure but their Molecular formula…

Q: A 750.0 mL sample of 0.18 M HCIO4 is titrated with 0.27 M NaOH. Determine the pH of the solution…

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Q: QUESTION NO. 17: Gaseous ammonia was introduced into a sealed container and heated to a certain…

A: Here we are required to find the equilibrium concentration of ammonia

Q: Iodine is made by the following reaction 2 NaIO3(aq) + 5 NaHSO3(aq) → 3 NaHSO4 (aq) + 2 Na2SO4 (aq)…

A: Given , Reaction : 2NaIO3(aq) +5 NaHSO3(aq) → 3NaHSO4(aq) + 2Na2SO4(aq) +H2O(I) +I2(aq)

Q: If you dilute 20.0 mL of 1.50 M hydrochloric acid to 700. mL, what is the molar concentration of the…

A: Recall all tha data, Initial volume=20.0 mL initial concentration=1.50M final volume=700. ml Final…

Q: How many grams of silicon are present in 2.78 moles of silicon dioxide?

A: Recall the data, moles of SiO2=2.78 moles mass of Si=?

Q: What mass of Na2CO3, in grams, is required for complete reaction with 59.9 mL of 0.125 M HNO3 ?…

A: This problem is based on stechiomerric calculation. Suppose we have a balanced chemical equation  mM…

Q: Provide the correct IUPAC name for the compound shown here.

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Q: IR is far less expensive the H NMR and a better choice to distinguish molecules when possible.…

A: IR mainly explained the functional groups that are present in a molecule

Q: June the oxidation sot. Iltate of in each place лие сл (9) I dontitfy the ordtation State of cl Ch07…

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Q: Metalloproteases can contain a catalytic triad made up of: D(H₂O)D E(Ln+)S None of the choices are…

A: Metalloproteases are enzymes whose catalytic mechanism for breaking peptide bonds involves a metal.…

Q: 7. List at least 3 examples of objects that are powered by secondary batteries. 8. For…

A: The following electrochemical problem can be solved as follow.

Q: The compound ICl contains   nonpolar covalent bonds. polar covalent bonds with partial positive…

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Q: For the following reaction, 6.80 grams of water are mixed with excess chlorine gas. The reaction…

A: We have to calculate the theoretical yield and percentage yield of hydrochloric acid.

Q: Provide the correct IUPAC name for the compound shown here. O 3- 4- 8- 7- 1- 2- tert- di sec- iso…

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Q: If a system absorbs 155.0 kJ of heat from its surroundings and the system does 95.0 kJ of work on…

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Q: Surfactants and Wettability of Leaves How does the removal of the wax affect the contact angle…

A: The surfactant additives reduce the surface tension to improves wetting and produce a stable, finely…

Q: Complain it ketule's model Suffarts blowing properties of benvine's (1) The shape and brand angles…

A: Here we have to explain the shape ,bond angle and bond length of benzene by using kekule structures…

Q: OD B O A OC Which of the following is an energy diagram for a two-step reaction? free energy. kJ/mol…

A: we have to select the energy diagram that represents a two step reaction

Q: 1. What type of interaction would you expect between the R groups, lysine and aspartic acid, in…

A: We have to identify the interaction present in lysine and aspartic acid R groups

Q: stion 1 Determine the mass (in grams) of 1.08 x 1024 gold (Au) atoms. A) 110 g B) 350 g C) 111 g Q…

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Q: 10.00 mL of a solution containing Fe³+ is titrated with 17.26 mL of 0.1033 M TiCl2 according to the…

A: The molarity of a solution is the ratio between the number of moles of solute to the solution…

Q: Match the following with their corresponding chemical class and/or indication. erythromycin…

A: Antibiotics are compounds which fight against bacteria. Macrolides are compounds which belong to a…

Q: Which of the following statements incorrect? correct about primitive cell There is only one way of…

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Q: You have 250. mL of 0.125 M HCl. Using a volumetric pipet, you take 50.00 mL of that solution and…

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Q: lain this

A: If number of electrons are same for two atoms then their electronic configurations will  be same.…

Q: Find ∆Stotal (entropy change) when 100 grams of water vapor initially at 200 degrees Celsius…

A: ∆Stotal (entropy change) when 100 grams of water vapor initially at 200 degrees Celsius undergoes a…

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.