Q: plase answer the following chem quesitons
A: Approach to solving the question: Detailed explanation: Examples: Key references:
Q: Knowing that the rotational constant of the heteronuclear diatomic molecule HCl is 10.4367 cm−1 ,…
A: Approach to solving the question: Detailed solution:
Q: Neurotransmitters are small molecules that are produced by the body to send messages from one neuron…
A: Step 1: Step 2: Step 3: Step 4:
Q: A compound has a strong absorption at 8.37x1015 Hz. What is the Amax( in Å (angstroms)) for this…
A: The objective of this question is to calculate the maximum wavelength (Amax) in angstroms for a…
Q: Draw Walsh diagram for a [IrCl 4]3-in Td symmetry undergoing Jahn - Teller distortion to [IrCl 4]3-…
A: The objective of the question is to understand the Jahn-Teller distortion of the [IrCl4]3- complex…
Q: 1:39 PM Sun Apr 14 Question 8 of 8 In this reaction: Mg (s) + 12 (s) → Mgl2 (s) If 1.84 moles of Mg…
A: In this case, for the given chemical reaction, we first identify the limiting reactant by noticing…
Q: Please correct answer and don't use hend raiting
A: Step 1: Step 2: Step 3: Step 4:
Q: The surface of the eye is wet by tears, and to minimize evaporation, the tear layer is coated with…
A: The reaction described involved the condensation of the carbonyl group of oleic acid with the…
Q: Draw the curved arrow mechanism for this Diels-Alder reaction. ✓ 1 pt Draw the Diels-Alderproduct…
A: Step 1: Step 2: Step 3: Step 4:
Q: Predict the major product formed when the compounds shown below react with each other under the…
A: This reaction is called the Diels-Alder reaction. It's a cycloaddition reaction between a conjugated…
Q: Determine the temperature of a reaction if K = 1.20 x 10⁻⁶ when ∆G° = +17.90 kJ/mol.
A: The objective of the question is to find the temperature of a reaction given the equilibrium…
Q: 8.12 Syn Dihydroxylation Which product(s) would form under the conditions given below? cat. OsO NMO…
A: The reaction is syn-dihydroxylation of alkene. OsO4 always gives cis product. So, both the B and D…
Q: dont provide handwriting solution ...
A: Note: HCOO (formic acid) is a Bronsted-Lowry acid and not a Bronsted-Lowry base. It can donate a…
Q: dont want hand writting image i will dislike you in 10 accounts
A: Step 1: This is Corey House reaction. - Bromobenzene reacts with lithium in pentane to form aryl…
Q: Draw a Lewis structure for CH4 in which the central C atom obeys the octet rule, and answer the…
A:
Q: Please correct answer and don't use hend raiting
A: This reaction is a Wittig reaction. The Wittig reaction is a chemical reaction used to synthesize…
Q: Consider a 1.0 M HNO2 solution. Part A: What is the pH of this solution?
A: The objective of this question is to calculate the pH of a 1.0 M HNO2 solution. HNO2 is a weak acid…
Q: Payalben
A:
Q: Determine the structure of the unknown using the data provided.
A: The objective of the question is to determine the structure of an unknown compound using the…
Q: 3. Beginning with the indicated starting materials (plus another starting material of your choice…
A: Step 1: Step 2: Step 3: Step 4:
Q: Please answer in tipping format
A: The reaction presented involves two main organic reactants, chlorobenzene and an organoboron…
Q: Home - Profession... A mixture of nitric and sulfuric acids generates the nitroniium ion, *NO2…
A:
Q: Determine the equilibrium constant for a reaction at 260.0 K if ∆G° =39.50 kJ/mol. (R = 8.314 J/mol…
A:
Q: Please answer in tipping format
A: The objective of the question is to understand the synthesis pathway of a compound and the effect of…
Q: Can you explain the problem? What if it was a base instead?
A: ANSWER ON THE PICTURE: RESPONSE TO : What if it was a base instead?
Q: Question 25 Predict the FINAL (?) product for each of the following reaction or synthetic chain: 1.…
A: Step 1:
Q: NaOH Ph 'Ph Δ Br
A: The objective of the question is to determine the chemical reaction that occurs when sodium…
Q: Using curved arrows, please provide a mechanism for the following reaction. Br H2O
A:
Q: Describe the movement of gas particles.
A: Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of…
Q: 3. Propose a mechanism for the following Aldol addition and beta elimination. 1) 1.1 equiv LDA, -78C…
A: Step 1:LDA is a base that abstracts a proton to give kinetic product i.e from less substituted side…
Q: 1. Provide a mechanism for the following reaction. (You should show all intermediates and curved…
A: Step 1: Step 2: Step 3: Step 4:
Q: Draw the bridged bromonium ion that is formed as an intermediate during the bromination of this…
A: Step 1: Step 2: Step 3: Step 4:
Q: Don't use hand raiting answer please and step by step answer please
A: Step 1: Step 2: Step 3: Step 4:
Q: 5) Fill in the missing reagents for the total synthesis below. For the final step, propose a…
A: Step 1: Methanolysis of the ester to give the methyl ester. Step 2: Reaction of the methyl ester…
Q: What is the IUPAC name for the compound shown in the figure? Br CI
A:
Q: 5. How many grams of CuSO4 * 5 H₂O are needed to prepare 100 ml of a 0.10M solution? (This is like…
A: The target volume to prepare is 100 mL and the concentration is 0.10M CuSO4. So we have…
Q: Strontium hydroxide,Sr (OH)2 , dissolves in water to the extent of 5.24 g per liter. What is the…
A: The objective of this question is to calculate the solubility product constant (Ksp) for strontium…
Q: Scanning electrochemical microscopy was used to study the lifetime of guanosine radical, which was…
A: The objective of the given question is to determine the percentage of tip-generated guanosine…
Q: Show how you would make the target molecule from the provided starting structure. Show all…
A: Step 1: Friedel-crafts alkylation of the benzene to add -CH3 to the aromatic ring. Step 2: The…
Q: Main question to be answered: what is the polarity and solubility of structure 1 and structure 2?
A: The objective of the question is to find the polarity and solubility of the given structure and…
Q: Calculate the pH of a solution that has an ammonium chloride concentration of 0.058 M and an ammonia…
A:
Q: 6. Provide the structure of 2-linoleoyl-3-arachidonoyl phosphatidylserine, where "linoleoyl" refers…
A: The molecule you're asking about, 2-linoleoyl-3-arachidonoyl phosphatidylserine, is a type of…
Q: During an operation, the patient is given a mixture of gas containing oxygen (so the patient can…
A: The objective of the question is to understand the significance of Dalton’s Law of Partial Pressures…
Q: ome years ago, two drug companies marketed a drug under the trade names Dexedrine and Benzedrine.…
A: The objective of this question is to predict why two drugs, Dexedrine and Benzedrine, which have…
Q: The Lewis diagram for SiH4 is: H H-Si-H H The electron-pair geometry around the Si atom in SiH4 is…
A: 1. The electron - pair geometry around the Si atom in SiH4 is TetrahedralThere is/ are…
Q: Question 10 Saved For the following reaction in aqueous solution: HNO2(aq) + NO3(aq) = HNO3(aq) +…
A: Step 1:
Q: If you performed the reaction in question 5/6 and found that you made 165 grams of N2S5, what was…
A:
Q: Please do letter e. Give the major organic product or missing starting material for the following.
A:
Q: 2. a) Calculate the hard-sphere (HS) collision theory rate constant ks for the reaction NO(g) +…
A: The objective of the question is to calculate the hard-sphere collision theory rate constant (ks),…
Q: Limiting Reactant Practice If you were to burn 20.5 grams of methanol, CH3OH, in 35.6 liters of…
A: Step 1:The balanced reaction is:2CH3OH(l) + 3O2(g) -----> 4 H2O(l) + 2CO2(g) Steps to…
Step by step
Solved in 2 steps with 1 images
- A 50.00 (±0.02) mL portion of an HCl solution required 29.71(±0.02) mL of 0.01963(±0.0032) M Ba(OH)2 to reach an end point with bromocresol green indicator. ? of HCL = 29.71?? ? 0.01963 ???? ??(??)2 ?? ? 2 ???? ??? ???? ??(??)2/ 50.00?? = 0.02333 ? Calculate the uncertainty of the result (absolute error).Calculate the coefficient of variation for the result.A student needs to prepare a buffer made from CH3COOH and CH3COOK with pH 5.016. If K₂ for CH3COOH is 1.80 x 10-5, what ratio of [CH3COOH] [CH₂COOT] is required? [CH, COOH] [CH3COO-] F3 Submit Answer $ 4 DOO 000 F4 7 R F V % 5 Retry Entire Group 9 more group attempts remaining T Use the References to access important values if needed for this question. F5 G Cengage Learning | Cengage Technical Support ^ 6 B MacBook Air Fó Y H & 7 44 N F7 U J * 00 8 ►ll FB I M I 9 K F9 O V ) -0 F10 P I' 4) : T i Previous Next> F11 { + [ = Save and Exit 11 F12 deleWhat is the change in pH with the addition of 0.01 mol HCl to a liter of a buffer solution containing 0.05M NH3 & 0.05M NH4Cl? The Kb value of NH3 is 1.80 x 10-5 at 25C. Answer in three decimal places Initial pH = ? pH with HCl = ? pH change = ?
- What is pOH of a solution consisting of 1.05 M NH3 and 0.98 M NH4NO3? Ka of NH4 + is 5.8 x 10-10 Group of answer choices 9.07 4.73 4.93 9.27Listen Consider the following buffer system: 1.04 M H3PO4 and 0.85 M H₂PO4-. What is the pH of such a system (K₂ = 7.5 x 10-³)? Your Answer: AnswerTUTOR Calculate the Ratio of Acid and Base in a Buffer A buffer containing acetic acid and sodium acetate has a pH of 5.05. The Ka value for CH₂CO₂H is 1.80 x 105. What is the ratio of the concentration of CH3CO₂H to CH3CO₂? [CH3CO₂H]/[ CH3CO₂"]= Submit Submit Answer Show Approach Show Tutor Steps Try Another Version 9 item attempts remaining
- How many grams of solid sodium cyanide should be added to 1.50 L of a 0.161 M hydrocyanic acid solution to prepare a buffer with a pH of 9.903? (K₁ (HCN) = 4.00 x 10-¹0) a Mass= g Retry Entire Group Submit Answer 9 more group attempts remaining Previous NextWhich of the following chemicals would be the best buffer for a pH 9.00 solution: NH3 (Kb = 1.75x10-5), C6H5NH2 (Kb = 3.99x10-10), H2NNH2 (Kb = 3.00x10-6), C5H5N (Kb = 1.69x10-9)? Group of answer choices C5H5N H2NNH2 C6H5NH2 NH3Discussion n/sac/7086543#/7086543/19/-1 re: 88.9% Question 20 of 35 - Module 7 Hi X pH = Topic Week 4 Discussion H Resources If a buffer solution is 0.140 M in a weak base (Kb = 6.8 x 10-5) and 0.430 M in its conjugate acid, what is the pH? Hint 61
- What is the Main Content ɔuffer that is 0.452 M HF and 0.404 M LİF? The K, for HF is 3.5 x 10-4. Your Answer: AnswerA 700.0 mL solution is 0.209 M CH₂CH₂CH₂COOH (K₁-1.5 x 10%) and 0.253 M NaCH-CH₂CH₂COO. What is the pH after the addition of 5.00 mL of 0.750 M NaOH? (4) 4.76 B) 4.93 4.89 4.72Incorrect Question 3 0 / 0.5 pts Which statement best explains why the pH at the equivalence point of the titration of a strong acid with a strong base is 7.0 (at or near 25 °C)? A basic salt is formed, but it is neutralized by excess strong acid. All analyte has been consumed. An acidic salt is formed, but it is neutralized by excess strong base. There is no excess titrant. O A neutral salt is the only chemical species present.