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Q: Find the pH and percent ionization of a 0.337 M HF solution. The Ka for HF is 3.5 x 10-4.

A: Given, Concentration of HF solution (C) = 0.337 M Ka for HF = 3.5 × 10-4 pH of the solution = ?…

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A: Resonance structure contains multiple conjugation structure which determines the actual hybrid…

Q: In quantum mechanics, a physically acceptable wave function must be what? a. Have imaginary…

A: An acceptable wave function ia that whose solutions are real and it must be single valued(one value…

Q: What should be used to complete the following reaction? H₂C. O CH3CH₂CH₂O, CH3CH₂CH₂OH 1)…

A: -> Epoxide ring can be opened with nucleophile and alcohol formed . -> Grignard reagent has…

Q: Illinois Central College CHEMISTRY 130 Laboratory Section: Name: Exercise 8 SHOW YOUR WORK PRELAB:…

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Q: Mass Length Diameter Calculated Volume Small Cylinder 6.501 g 2.30 cm 1.55 cm Medium Cylinder 10.749…

A: Use the formula provided to find out the calculated volume of each cylinder.

Q: At 575 K, ∆G = -3.2 kJ/mol for the reaction A (g) → 2 B (g). If the partial pressures of A and B are…

A: I have given the answer in the explanation section. Hope you will understand that.

Q: Predict whether 1.0 M of NaNO2(aq) is acidic, basic or neutral? Why?

A: Well, in order to predict whether the solution of the salt is acidic or basic, we need to see what…

Q: How do you answer question d and e

A: Mole ratio of N to O determines the empirical formula, which helps in finding the mass of nitrogen…

Q: Consider the reaction below. Which best describes the mechanism of this reaction? На SN2 O SN1 0000…

A: This reaction is an example of substitution reaction where at first protonation takes place followed…

Q: Write the balanced chemical equation (including the phase of matter) and chemical equilibrium…

A: Here we are required to find balanced chemical equation and chemical equilibrium.

Q: Use mass and volume to calculate the density of aluminum, in g/cm3. Show your work, and report your…

A: Given the mass of Al, M = 13.796 g Volume of Al, V = 5.0 mL

Q: Which of the following are produced when an unknown sample is heated with concentrated sulfuric acid…

A: 1. When sample is heated with conc. sulfuric acid nitrogen dioxide or NO2 is produced.…

Q: Complete the balanced chemical equation for the following reaction between a weak base and a strong…

A: Please find your solution below : Chemical equation of a chemical reaction is its symbolic…

Q: Which reagents are needed to complete the following reaction? CrO3 O MCPBA O 1)NaBH/ethanol 2)H30* O…

A: We have find out the reagent used  for the reaction.

Q: Calculate the change in enthalpy, Alt for the ff TH=241.8k; mol H+ = 110.5K; /mol H² = 106; /mol,…

A: Standard Enthalpy Change of a reaction is the  reaction Enthalpy. Using the given formation…

Q: option b is correct? [CLO-6] You are asked to create a peptide sequence that would require more…

A: As Cysteine contain three functional group -SH, -NH2, and -COOH. It can able to form cage-like…

Q: please do this typewritten so I will upvote and skip this if you already did this. the big number on…

A: Given as, Mass of HCl = 4052 mg = 4.052 g  Specific gravity of HCl = 1.18  Volume of NaOH = 44.15 mL…

Q: What is the symbol (including the atomic number, mass number, and element symbol) for the oxygen…

A: Given that, 1) Isotope= Oxygen 2) 2145Sc

Q: 3. Draw the tripeptide described by Phe-Trp-Cys. Your drawing can be a Lewis structure, condensed…

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Q: 17.  Consider the following hypothetical acid-base titration where A represents the acid and B…

A: GIven reaction :- 3A + B --> salt + water Hence according to given balanced equation  3 moles of…

Q: Use the measurements for the aluminum foil (in the table provided) along with the true density of…

A: Here we have to calculate thickness of the aluminium foil

Q: Does the answer need 2 sig figs or 3?

A: Estimated Value, EV = 2.8 g/cm3  True Value, TV = 2.702 g/cm3

Q: Q13. In the redox titration experiment, 100.0 mL of 0.010 MFe²+ in the presence of 1.0 MHCIO4 was…

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Q: What is kinetic molecular theory of gases for the behavior of a gas

A: Kinetic molecular theory of gases is used to describe the behavior of gases. There are various…

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Q: A small airplane takes on 312 L of fuel. If the density of the fuel is 0.821 g/ mL, what mass of…

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Q: What is the pH of a buffer made from 0.350 mol of HBrO (Ka = 2.5 × 10⁻⁹) and 0.150 mol of KBrO in…

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Q: a) What is relative volatility? What happens when the relative volatility is 1) equal to "one" ii)…

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Q: 21. what would be the mass percent of a solution made by dissolving 22.1 g of NaCI in 33.4 g of…

A: We have to predict the mass percent of solution.

Q: Which of the following chemical reagents are used in the confirmatory test for nitrate ion? Ozinc…

A: The confirmatory tests are those which are used for the ascertainment of an ion in the solution.…

Q: HCI is added to the epoxide below. On which carbon (A-D) is CI most likely to add to form the major…

A: We have to predict the major product of the reaction.

Q: 1. a. (E)-5-chloro-3-hexen-2-one Nomenclature b. 3-bromopentanal c. 4-bromoacetophenone d.…

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Q: A solution of sucrose (MM = 342.3 g/mol) has the concentration of 0.15 M and a density of 1.018…

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Q: Splitting of a signal in a proton NMR spectrum tells us the number of chemically non-equivalent…

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Q: How many days will it take for ₈₈Ra with half  life of 15 days decay from 2 mole to 0.5 mole

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Q: name the following ether using (Non-IUPAC) CH3CH2CH(CH3)OCH2CH2CH3

A: Ether group ( R - O - R' ) In the Ether group , the Oxygen atom is bonded by the two sides by the…

Q: The secondary structure of a protein is influenced by both hydrogen bonding and London dispersion…

A: In the given question , two kinds of interactions are discussed and asked. First one is hydrogen…

Q: QUESTION 2 Consider the reaction below. Which best describes the mechanism of this reaction? на O…

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Q: A 0.452-g sample of pyrene (C16H10) is burned in a bomb calorimeter and the temperature increases…

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Q: Provide the ranking for each number: 187, 190, 190, 236, 321 187 190 236 321

A: Solution  Given numbers = 187,190,190,236,321,187,190,236,321 Arranging the numbers in ascending…

Q: What is the difference between endpoint and equivalence point in acid-base titration?

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Q: The density of iron is 7.87 g/mL. What is the mass of a 3.00 cm x 3.00 cm x 2.00 cm block of iron?…

A: The given question is based on the concept of density. Density is defined as the ratio of mass of…

Q: 7. Draw the HOMO and LUMO -molecular orbitals of 1,3-butadiene. Show/explain why a [4+4] reaction…

A: In presence of light , [4+4] cycloaddition occur in presence of light because it involves…

Q: A 0.610 mole sample of an element has a mass of 86.0grams . Identify the element and enter its…

A: Given, moles of sample of element = 0.610 mole mass of the element = 86.0 g Identify the element and…

Q: If 2.0 bar of He (g) was introduced to the following closed system at equilibrium what would happen?…

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Q: given by the below pictures question be observed experimentally and how can the rate be deduced? Use…

A: The compound which has fluxionality called scrambling of carboxyl groups present in metal carbonyis.…

Q: Нас- H₂ 1) МСРВА 2) HC1 CH₂ H3C H2 HU С. C

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

Q: Mad NH₂ 1 Meo

A:

Q: 3 A + 2 B --> A2B3 OR 3 A + 2 B right arrow A2B3 The atomic weight of A is 25.0 g/mol The atomic…

A: First we have to find out the limiting reagent. The limiting reagent is the reactant that gets…