Calculate the pH during the titration of 30.00 mL of 0.1000 M ammonia with 0.1000 M HCl(aq) after 12.46 mL of the acid have been added.  Kb of ammonia = 1.8 x 10-5.

Q: The reaction: NO (g) + O3 (g) —> NO2 (g) + O2 (g) Is thought to be a second-order reaction with res...

A: Given, NO (g) + O3 (g) —> NO2 (g) + O2 (g) Second order reaction with respect to O3 Initial amoun...

Q: Why is methanol chosen as the solvent for recrystallization? What would happen if the student uses d...

A: The above reaction is Electophilic substitution aromatic reaction. Which is known as Fridelcraft alk...

Q: student runs the reaction with 0.95 mL of o-chlorotoluene (d=1.073 g/mL) and 5.0 g of potassium perm...

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Q: Nitryl fluoride can be made by treating nitrogen dioxide with fluorine according to the reaction: 2 ...

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Q: Calculate the concentration of HC6H6O6- in an aqueous solution of 4.57×10-2 M ascorbic acid, H2C6H6O...

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Q: Write out the expected splitting pattern for hydrogens Ha, Hp and H. 3Jah = 10 Hz На Hb 3Jpc = 7 Hz ...

A: Ans. Ha:Hb:Hc: doublet, doublet of triplets, doublet

Q: I Review | Co Part A The following reaction is exothermic: 2SO2(g) + O2(g) = 2S03(g)- What is the ef...

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Q: R Spectrum of the Starting Material 100 95 1703.5 90 1138.4 85 788.5 1236.5 80- 3328.1 1255.2 844.0 ...

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Q: Determine if the following pairs of compounds are identical, isomers or unrelated CH3CH=CH(CH2)3CH3...

A: Isomers are those compounds which have same chemical/Molecular formula but different structural form...

Q: For the substitution reaction. Draw the structure of the intermediate that forms in the rate determi...

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Q: An industrial factory makes an effort to reduce the amount of nitrogen dioxide (NO2) emissions it re...

A: Correct option is (D) explanation is given below

Q: The equilibrium constant for the reaction A(g) B(g) is 10. A reaction mixture initially contains [A]...

A: Given data : Equilibrium constant Kc = 10 Initial concentration [A] = 1.1 M Initial concentration [B...

Q: oxygen atoms

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Q: Equilibrium Felf Assessment 15.2 - Enhanced - with Feedback MISSED THIS? Watch KCV 15.3, IWE 15.1; R...

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Q: 2. Propose a synthesis for the following compound starting with benzene. NO, CI

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Q: Which statement best describes the characteristics of a home whose residents display sick building s...

A: Correct option is B

Q: How many peaks will show up in the H NMR spectrum of the given compound below. Choose one: A. 9...

A: The proton-NMR spectra of a compound is used to determine the presence of different types of hydroge...

Q: o-chloroiodobenzene 7-ethynyldecatri-1,3,9-triene 2-bromo-2,3-dimethylpetan-2-ol 2-bromo-5-ethylbenz...

A: Given :-  name of compounds :  o-chloroiodobenzene  7-ethynyldeca-1,3,9-triene  2-bromo-2,3-dimethy...

Q: What does PDI means in chemistry, and it affect the polymers. I have 2 samples of PMMA, one of it th...

A: PDI stands for Poly Dispersity  Index which is a ratio of  weight Average molar weight  and number a...

Q: At 25 °C, K. = 0.145 for the following reaction in the solvent CCI4. 2BrCI + Br2 + Cl2 If the initia...

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Q: If 143.56 mL of 0.6653 M ammonium carbonate reacts with 175.37 mL of 0.8732 M chromium(II) sulfate i...

A: Percent yield is the ratio of actual yield to theoretical yield multiplied by 100.

Q: The hydroxide ion concentration of an aqueous solution of 0.482M hydrocyanic acid is [OH-] =

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Q: Determine the moles of Ni needed to react with 4.72 moles of Co according to the following reaction:...

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Q: What is Leucippus contribution atomic theory?

A: Matter can be defined as any substance that has some mass and occupy space. Matter can be solid, liq...

Q: What is the pH of a 0.055 M solution of sodium cyanide? The Ka value for hydrocyanic acid is 6.2 × 1...

A: The pH of a 0.055 M solution of sodium cyanide can be calculated as follows

Q: What is Issac Newton contribution to the atomic theory? Explain in detail.

A: The correct explanation is given below

Q: Calculate the pH for a 284 x 10 M HCIO solution. Consider the activity in your calculation. 1. What ...

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Q: Express your answer using two significant figures. A, a weak acid, with Ka = 1.0 x 10-8, also forms ...

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Q: What molecules are formed when the following molecule reacts with aqueous acid?

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Q: Compound A decomposes according to the equation       A(g) ⇌ 2 B(g) + C (g)   A sealed 1.00−L contai...

A: Calculate equilibrium concentration of B and C. 

Q: The graph shows   A)  Adding HNO3 from buret to HClO in flask   B)  Adding NaOH from buret to NH3 ...

A: the graph starts approximately from pH 10 which is our solution pH before the titration. it indicate...

Q: When 22.0 mL of a 8.35x10-4 M silver acetate solution is combined with 15.0 mL of a 5.74x10-4 M sodi...

A: The reaction quotient (Q) determines by a precipitate will form with a given concentration of ions. ...

Q: Consider the species phosgene or carbonyl chloride (COCI2), iodine trichloride (ICI3), and selenium ...

A: The given compounds: Phosgene (COCl2) Iodine trichloride (ICl3) Selenium hexachloride (SeCl6) The le...

Q: Experiment 3 Repeat the experiment above (Question 2) using a 10 mL pipette to dispense the 10 mL of...

A: The mean weight, standard deviation and the RSD of the water dispensed is needed to be calculated.  ...

Q: If the concentration of a reactant is 6.25%, how many half-lives has it gone through?

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Q: A community member living in a highly populated city has asthma, which increases sensitivity to cert...

A: The table below shows the U.S. Air Quality Index (AQI).The higher the AQI value, the greater the lev...

Q: According to the picture above, Which statement best describes the set of primary air pollutants re-...

A: The primary air pollutants responsible for acid rain is as given below.

Q: 5: Using the following plot as a standard, how would Vmau Km, and the graphs look when.? Sobtrate le...

A: Enzymes are biocatalyst which accelerate the biochemical reactions. Molecules on which enzymes act a...

Q: Chloroform, CHCl3, reacts with chlorine, Cl2, to form carbon tetrachloride, CCl4, and hydrogen chlor...

A: Limiting reactant can be defined as the reactant that get totally consumed in the reaction and there...

Q: What reaction is catalyzed by the enzyme carbonic anhydrase? Which metal ion serves as a cofactor fo...

A: We have to answer the above-mentioned question.

Q: Calculate the volume of concentrated HCl  {which has a specific gravity of 1.18  and 35% (w/w))  nee...

A: We will calculate concentration of concentrated HCl and then find its volume needed.

Q: Use the following Lewis diagram for ethyl acetate to answer the questions: Remember that geometry re...

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Q: which of the following will give a positive tollen's test? a) ethyl methyl ether b) propanal c) e...

A: Ans. b) propanal

Q: The types of intermolecular forces in a substance are identical whether it is a solid, a liquid, or ...

A: The intermolecular forces between the molecules are same whether we talk about solid, liquid or gas ...

Q: How many grams of solid barium sulfate form when 35.0 mL of 0.160 M barium chloride reacts with 58.0...

A: First calculate moles ,then use stoichiometry and limiting reagent. Then find mass of solid barium s...

Q: There is 0.25 mole of CO2 in a bottle of soda. How many grams of CO2 are in the bottle? 2. What coe...

A: We know mole is equal to mass divided by molar mass of given compound.  So, by just putting the valu...

Q: H H. H 4. 2-bromo-2-methylbenzene 3.

A: Here we have to write resonance structures and identify whether the given species are aromatic or no...

Q: Given the following reaction: HNO2(aq) + H2O(l)  ⇄  NO2–(aq) + H3O+(aq) What happens when some HNO...

A: Given -> HNO2 (aq) + H2O (l) --> NO2^-(aq) + H3O^+(aq

Q: c. When 9.5 g of an impure Silver Nitrate (AGNO, mol. wt 170 g/mol) was treated with excess sodium c...

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Q: The pH of an aqueous solution of 0.144 M ammonium perchlorate, NH4ClO4 (aq), is . This solution is

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