エーO-エ -C-エ

Q: 3

A: Starting with optically pure R or S-2-butanol which method below would give the best yield of the…

Q: Quercetin, a flavonoid found in fruit juice, was quantified by UV-Vis using external calibration.…

A:

Q: Question 16 For the compound Name the compound Identify each chiral conter Are goo metric posible?…

A: In order to write iupac nomenclature we have to follow some rules of iupac  1) first select…

Q: The half-life of selenium-83 is 22.3 min. If a sample contains 24.0g of selenium-83, how long will…

A:

Q: 5. Which one of the following options is the least reactive? F) Magnesium G) Silver H) Tin I) Sodium

A:

Q: What is the pH of a 0.70 M ammonia solution? This is a weak base. Pls show step by using ICE method

A: Given,  The pH of 0.70 M of ammonia solution is:

Q: Which aqueous solution is expected to have the lowest freezing point? a. 0.2m Na3PO4 b. 0.2m CaCl2…

A:

Q: Calculate the pH of a 0.40 M solution of HF (Ka = 3.5 × 10*) before and after lg of NaF is added to…

A:

Q: 37 The average pH of normal arterial blood is 7.40. At normal body temperature (37°C), K, = 2.4 ×…

A:

Q: How many mm are in 3.803 cm? 3.803 x mm 101 10-2 mm 3.803 x 10 mm 3.803 x 10 mm 3.803 x 102 mm

A: Distance is measured in different units such as meters (m) , centimetres (cm) , millimeters (mm) ,…

Q: Starting with any alkene, list a series of steps (you are encouraged to use chemical reactions) to…

A:

Q: Type the condensed structural formula for the missing product formed in the reaction below.…

A:

Q: Which aqueous solution is expected to have the greater osmotic pressure? 2.0m NaNO3 1.0m CH3OH 1.0m…

A: Osmotic pressure is directly proportional to the vant Hoff factor

Q: Consider the following electrochemical cell notation with a cell potential of 1.22 V. Pt(s) | H2(g,…

A:

Q: What is the narrow graduated piece of glass equipment called? Why do you use an Erlenmeyer flask…

A: 1) A volumetric flask (measuring flask or graduated flask) is a piece of laboratory apparatus, a…

Q: Selected Standard Molar Enthalpies of Formation ΔΗ; ΔΗ; (kJ/mol) | Substance | (kJ/mol) Substance…

A: Given ,that the reaction is- 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) Calculate the enthalpy for the…

Q: 8. Phosphoric acid is a triprotic acid, ionizing in the following sequential steps: H,PO, + H̟O…

A: Given equations are :

Q: 5 ml of a 0.2 M NH3 solution are added to 5 ml of a 0.1 M NHẠCI solution (Kb for NH3 is = 1.8 ×…

A: Answer: Buffer solution is a type of solution that resists the change in its pH on adding small…

Q: You dissolved 3g of dextrose (C6H1206) in 6L of water (Mr(C6H12O6) = 180.156). What is the molar…

A: Given,  Mass of dextrose (C6H12O6) = 3 g  Molar mass of dextrose = 180.156 g/mol  Volume of solution…

Q: Question I1 For the reaction at 25°C:Cd)C Determine E° De ter mine AG° De termine K

A: Equilibrium constant of a reaction can be defined as the ratio of concentration of products to…

Q: How much of NaOH (in mg) do you need to make 33ml of a 82% (w/v) NAOH solution (Mr(NaOH) = 40.00).…

A:

Q: A plate A plate with an area with a of 500 cm? is to be coated would layer this take to accomplish…

A: Given: plate area = 500cm2 thickness= 0.01cm density= 19.3g/cm2 current= 5.20 ampere

Q: AMoving to another question will save this response. stion 6 For the following coordination complex…

A:

Q: A chemist dissolves 682. mg of pure potassium hydroxide in enough water to make up 70. mL of…

A: A chemist dissolves 682 mg of pure potassium hydroxide in enough water to make up 70mL of solution.…

Q: In forming a chelate with a metal ion, a mixture of free EDTA (abbreviated Y) and metal chelate…

A: The moles of Ba2+ is calculated as follows: Moles of Ba2+ = (Mass of Ba(NO3)₂ / Molar mass of…

Q: The simplest aliphatic alcohol is methanol (CH30H). How many bonds should exist in methanol to…

A: The given aliphatic alcohol is methanol (CH3OH). The number of bonds that must exist in methanol to…

Q: - Question Completion Status! A Moving to another question will save this response. Question 1 Given…

A:

Q: Both fission and fusion are nuclear reactions, but only one process results in radioactive decay.…

A: Nuclear reactions mainly of three main catagories. They are Nuclear fusion, Nuclear fission and…

Q: Calculate the entropy for the reaction below. 4AI(s) + 3CI2(g) → 2AICI3(s) E Products - Reactants…

A:

Q: Terpineol has 5 isomers. Write their structures and describe why chemically (optically) they receive…

A: IUPAC name and structure: , the nomenclature uses the carbons numbered as α-terpineol is optically…

Q: 1. Original pH of the half neutralized solution: 4.35 2. Calculate K, of the Weak acid:

A: Given  pH = 4.35

Q: explain the importance of iodometric titration methods for the determination of iodine content in…

A: Iodometric titration method is used for the determination of iodine content in salt.

Q: What is the de Broglie wavelength of Usain Bolt with a mass of 79 kg and a speed of 11 m/s? nm What…

A:

Q: The properties of Si are given below. AW = 28.08 g/mol density = 2.33 g/cm3 e- mobility =0.14…

A: Hi! Thank you for the question As per the honor code, We’ll answer the first three part of the…

Q: create an anion flow chart without using heat

A: To create anion flow chart:

Q: hich of the followit Nonpota OBetth ing molecotor ts Covcidevet Fooz

A:

Q: Using the data below, calculate the enthalpy for the decomposition of sodium bicarbonate. 2NaHCO3(s)…

A: In this question we have to tell the change in enthalpy of the given reaction.

Q: Some measurements of the initial rate of a certain reaction are given in the table below. N2 H2…

A:

Q: Chemistry IV. Explain the following observations. ". each.) a. Compound A orients ortho-para while…

A:

Q: For the compoundi Question I Br ci Name the rompound Identify each chiral center Are geom etric…

A:

Q: A Moving to another question will save this response. Question 6 For the following coordination…

A:

Q: 1. Og 23. 2. H202 A. B. C. 애

A: In this question we have to tell the product of the reaction.

Q: The absorbance of a solution containing 5.0 x 10^-3 g/L of a solute in a 1.00 m cell is 1.00.…

A: 5.0 × 10-3 g/L of a solute solution in a 1.00 m cell has an absorbance of 1.00 . The molecular…

Q: uestion 27 "A new element (Rr) has been synthesized and its properties analyzed. When 0.157g of Rro…

A: Answer: Enthalpy change for a reaction is an extensive property, therefore as moles of reactant will…

Q: (a) Discuss the role of carbonic anhydrase in CO2 transport. (b) Discuss the cause of ‘cold…

A: Protein can be defined as a macromolecule which is made up of amino acids. For example enzymes.

Q: Identify the monosaccharide shown below. Do not worry about alpha, beta, D or L notation. Но-СН, о…

A: Given furanose structure is fructose. Fructose is monosaccharide

Q: Question 7 for the compound. Name the compound Ideatify each chiral center Are geometric isomers…

A:

Q: Calculate the pH of the following: 1. 0.050 M HCIO4 2. 6.0 M HCI 3. 4.0 M KOH 4. 0.010 M Ca(OH)2

A:

Q: Under certain conditions the rate of this reaction is zero order in ammonia with a rate constant of…

A: Given, 2NH3(g)  ➝ N2(g) + 3H2(g) Zero order kinetic. Rate constant (k) = 0.0097 Ms-1 Volume of the…

Q: Erythromycin is a weak base with a pka of= 5.2 What will be the ionisation state of the drug in…

A: Actually Erythromycin is a weak base with pKb = 5.2  Hence pKa = 14 - pKb = 14 - 5.2 = 8.8  The…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.