Q6: an object its mass of kintlec energy find its velocity lo kg travels by 320 J

Q: 21 - The general formal for alkanes compounds is. A - CnH2n. B - CnHn+2. C - CnH2n+2. B 22- General…

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Q: Consider an E2 reaction between (2-bromoethyl)cyclohexane and base potassium tert-butoxide. Describe…

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Q: Chemistry What is the reason why peptide amide bonds can be in the s-cis or s-trans conformation?

A: Cis configuration means two bulky or lighter groups are present on same side of double bond.

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Q: Match the reaction type with its rate law. Rate = k [RX]¹[Nu]¹ Rate = k [RX]¹[Base]⁰ Rate = k…

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Q: Identify the element with the following orbital notation. NNNII 1s 2s 2p

A: Identify the element with the following orbital notation ?

Q: = (b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK 4.75 CH₂COOH(aq) à CH₂COO (aq) +…

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Q: What are the correct reactions needed to prepare valine using malonic ester synthesis 0 0 Valine H O…

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Q: Use the following atomic masses (in g/mol): As = 74.92; O = 16; K = 39.1; Cr = 52; Na = 23; Cl =…

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Q: What is the change in internal energy in joules when a system releases 154 J of heat and does 125 J…

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Q: Q15- Which of the following combinations would be the best to buffer the pH to 4.5? A) H₂PO4 and…

A: 1. We know at the equilibrium point pH = pKa Now, we know that pKa = -log Ka Hence at the…

Q: A metal sample weighing 43.5g and at a temperature of 100.0c was placed in 39.9g of water in a…

A: Given, For metal, Mass of metal (mmetal) = 43.5 g Specific heat capacity of metal (Cpmetal) = ?…

Q: An oxidizing agent is a reactant that

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Q: General formula of aromatic -224 .compounds are A - CnH2n. O B - CnHn+2. O C- CnH2n-2. O

A: The aromatic compounds or arenes are having the general formula of CnH2n-6m . ,where n = number of…

Q: Q14- A 0.100 M solution of the weak acid HA has a pH of 2.36. Calculate pK, for HA. 2.36 C) 1.66 B)…

A: Given: The pH of the weak acid, Ha = 2.36 The concentration of HA = 0.100 M We have to calculate the…

Q: For this question homework I had to write it in notebook and explain the wrong why it is and right…

A: #Q.1: Given the [OH-] of the solution = 0.0001 mol / L or 0.0001 M So [OH-] = 0.0001 M

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Q: Chromium(III) hydroxide, Cr(OH)3, is a highly insoluble salt. Ksp = 6.70 x 10-31 @ 25 °C Calculate…

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Q: What is the solubility product constant, Ksp? [Ag+] = 2.30 x 10-4 M [CO3-] = 1.15 x 10-4 M Ksp = [ ?…

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Q: 23 - General formula of alkene compounds are. OA - CnH2n+2. O B - CnH2n-2. O C - CnH2n.

A: Alkenes are those compounds which has a double bond in it.

Q: During kinetic resolution, the reaction of a racemic mixture of an N-acetylated amino acid with a…

A: Given that, the reaction of a racemic mixture of an N-acetylated amino acid with a chiral amine,…

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Q: Write the reduction half reaction of this equation. Zn + 2 H+ Zn²+ + H₂ *

A: Oxidation means loss of electrons and reduction means gain of electrons.

Q: Describe if the following reaction is spontaneous or non-spontaneous based on enthalpy, entropy and…

A: Spontaneity of a reaction can be determined by the value Gibbs free energy.

Q: Rank the following aromatic hydrocarbons below in terms of increasing rates of sulfonation via…

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Q: 12. i. What is the function of the burette in a volumetric titration? ii. What is the pH when 49.00…

A: Volumetric analysis is quantitative analysis of sample . In volumetric analysis we measure the…

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A: The cis-tans isomerization is a type of stereoisomerism. The molecule which contains a double bond…

Q: In the chemical reaction used in automotive air-bag safety systems, N2(g) is produced by the…

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Q: 07-13: The diprotic acid Hal. has Kor 1.4 x 10% and Ka 1.2 x 10-¹0 97-Calculate the molarity of H*…

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Q: Consider the following reaction: 3Cu + 2HNO3 + 6HCl → 3CuCl₂ + 2NO+ 4H₂O Which of the following is…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Write the formula for the following compounds: mercurous dihydrogen arsenate stannic perchlorate…

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Q: C. AMINO ACIDS AND PEPTIDES Consider the structure of the peptide, Asn-Gln-Gly-Ala. H₂N. OH…

A: Here we are required to find the C terminal and N terminal present in the given peptide

Q: (b) Calculate the pH of 0.0005 mol dm³ ethanoic acid when its pK 4.75 CH₂COOH(aq) à CH₂COO (aq) + H*…

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Q: 35. The polymer is if heated too much, they burn is. A. Thermoset. B. Thermoplastic.

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Q: Overall Reaction: НО. 2 2 H₂O 2-methyl 2-butanol Chemical Formula: C5H₁2O 2-methyl 1-butene Chemical…

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Q: A sample of water with a mass of 23.31 g and initial temperature of 367.67 k loses 8615 Joules .…

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Q: Free Energy (kcal/mol) 25 20 15 10 M 5 0 Reaction progress Use the reaction energy diagram above to…

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Q: For NH4Cl and NaCH3COO, perform the following calculations: 1. Calculate [H3O+] using the equation…

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Q: a)Using the data provided, determine the mass percent of water and the mass percent of anhydrous…

A: Given, mass of hydrated copper (II) sulfate: 131.4g mass of anhydrous copper (II) sulfate: 130.26g…

Q: 11. The earliest synthetic polymer was developed in 1906, called Bakelite *** O A. Polyethene. OB.…

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Q: 9) If one reaction is a first-order reaction, this reaction should be a _ (a) simple reaction (b)…

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Q: QUESTION 11 Using the following table to calculate the energy difference between the axial and…

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Q: The product from the positron emission of Cs-127 is O A) Cs-126

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Q: Balance the following reaction in BASIC conditions. Use any method of your choice.  * Show all your…

A: Redox reaction is the reaction in which both oxidation and reduction occur together.

Q: 29- The hybridization of carbon atom in alkene is. OA-30+1 πt. n. OB-40 OC-20+21 4 30 - The…

A: 29. Hybridization of carbon in Alkene is 3 Sigma + 1 pie bond , SP2 hybridized.

Q: When two monosaccharides bond to form a disaccharide, the new bond is (A) a peptide bond. (B) an…

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Q: How do you set up the equations needed to solve the chemical equilibrium of methane steam reforming…

A: The reaction for methane steam reforming is: CH4 + H2O <==> CO + 3H2   This is how we can use…

Q: what is the use and application of methyl salicylate

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Q: 2-methyl-2- butanol OH 3-butenol OH benzyl alcohol 2-butenol OH phenol OH

A: The Lucas test in alcohols is a test to differentiate between primary, secondary, and tertiary…