How would you prepare a series of dilutions to get a final dilution of 10–10? Outline each step.

Q: Which of the following species does not contain tetrahedrally coordinated B? [B3O6]³- [B3O3(OH)4]* O…

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Q: Q1. Name parts a through d - draw parts e through CH3-CH2-CH-CH2-NH, CH3 а. b. CH3 `N' H3CH2C с. 0=

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Q: A Moving to another question will save this response. Question 26 SHOW WORK Given the following…

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Q: Draw the monomer that  is used to create the following polymers.

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Q: tify a polysaccharide that is related to each statement below. a. Makes up about 80% of starch and…

A: Polysaccharide can be defined as the macromolecule that consist of several monosaccharides units

Q: At pH = 7.0, generally speaking amine groups will be found as which of the following?

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Q: 6. How many molecules of C3H8 are in a sample of 1.5 mol? 7. How many molecules of carbon dioxide…

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Q: Will entropy increase or decrease for each of the following processes? burning coal In burning of…

A: Entropy (S) :-  Entropy is a thermodynamic quantity which is a measure of randomness or disorderness…

Q: 6. 4 12 4.4Вe + 2Hе 6С+ le On 2 1H 0. 1H

A: We know that

Q: Protein Z has an absorptivity (e) of 0.56 mL·mg1.cm 1 at 280 nm. You measure the absorbance at 280…

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Q: Calculate the cell potential (E) for the half-reaction of a silver-silver chloride reference…

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Q: of the product from the first step (Product-1 uct-2) for the two-step reaction sequence si OSO 4.…

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Q: A buffer solution of HCN/NaCN has a pH = 10. Knowing that this solution contains a concentration of…

A: First we would Calculate Concentration of NaCN using Henderson Hasselbalch equation and given pH,…

Q: Trials A Volume of Vinegar used (ml) 25.00 diluted to 250.00 mL Volume of Aliquot used (ml) 50.00…

A: CH3COOH + NaOH    gives     CH3COONa + H2O So, 1 mol NaOH neutralises 1 mol of acid.

Q: Question 3 Using your PHET simulator #1, which of the following species is most prevalent in the…

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Q: Q2. Using a series of steps, show how you would synthesize N-ethylpropanamide. You are given…

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Q: Which of these would have the lowest boiling point

A: Boiling point is the temperature at which vapor pressure of liquid is equals to atmospheric pressure…

Q: 6. What is the pH of a solution with a hydrogen concentration of 2.3x10-5M?

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Q: A chemist dissolves 601. mg of pure barium hydroxide in enough water to make up 190. mL of solution.…

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Q: 14 14 1. 6C 7 N+ 1H 14 1N -le le

A: In this question we have to find the missing part in the radioactive decay.

Q: For the compund Br Name the compound 3-bromo-4-chloro-5-methylhe Identify each chiral center Three…

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Q: In the case of homogeneous catalysis a catalyst and reactants form a а. single phase Ob. different…

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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: What is the equilibrium constant K at 25°C for an electrochemical cell when E° = +0.0230 V and n =…

A: Equilibrium constant is calculated by help of standard Gibbs free energy change

Q: A solution is supersaturated if: Select one: a. QKsp- d.

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Q: A Moving to another question will save this response. stion 1 A 0.1 M solution of C6H5CO2H is at…

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Q: Write the reaction involved in Ferrox Test.              a. What is the species responsible?…

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Q: Al chan 4. A book held 1 meter above the floor has potential energy. The book is dropped and hits…

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Q: Calculate the equilibrium constant, Keg, for the galvanic cell performing the following reaction at…

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Q: Substance "C" is identified to have a specific heat capacity of 0.452 J/(g.°C). Which substances…

A: Answer: Specific heat capacity of the substance is defined as the amount of energy added into the…

Q: II. Draw the structure for the major 8ly Remember to transfer verbatim to your sheet of answels 13.…

A: Here we have to write the structure of major product formed in the following reactions.

Q: Bolts of Ohmi Akinbak fabric, which are woven in Sacralstan, are sold in Sacralstanian units of 43.8…

A: To Calculate the square disc , we would use dimensional analysis method. For this we use the given…

Q: What is the pH of 10mL aliquot of toluic acid (with a concentration of .1837M) after 21.05 mL of…

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Q: CHO Meo PPh OMe Brz (1 eg) AIBr3 CO,H 1) Na, NH3(), CH,OH 2) H3O* OMe 1) NANH,. NH3 (1) 2) H,O* 1)…

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Q: State the functional group that will be produced in the reaction below. heat CH3-CH2-CH2-COOH + NH3…

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Q: What is the change in thermal energy, when 250g of water is heated by 10.0°C? (specific heat…

A: Change in thermal energy is calculated by using following formula Change in thermal energy=m×C×∆T…

Q: Question 21 What reaction type is the following reaction? HCI H2 + Cl2 acid-base reaction O…

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

Q: Why is ethanol least acidic?

A: In this question, we will discuss about that which factors effect on the acidity of ethanol to make…

Q: n Completion Status: Moving to another question will save this response. n 2 new element (Rr) has…

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Q: Would you increase or decrease the pressure (via a volume change) of each of the following reaction…

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Q: Practice Exercise How would you prepare a liter of “carbonate buffer" at a pH of 10.10? You are…

A: The pKa values of carbonic acid, H2CO3 are pKa1 = 6.37 and pKa2 = 10.32  Since the given pH is…

Q: (i), (ii), [ii), [iv], [v], [highest] and [lowest] I. CH;NH2 CH;CH;CH3 „CH3 II. CH,OH II CHCCH, V.

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Q: Practice Exercise Calculate the pH of the 0.30 M NH/0.36 M NH,Cl buffer system. What is the pH after…

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Q: 16.57 The acid-dissociation constant for benzoic acid (CH$COOH) is 6.3 x 10-5. Calculate the…

A: The reaction, C6H5COOH(aq)+H2O(l) ↔ H3O+(aq)+C6H5COO-(aq) Ka=6.3×10-5 Initial concentration of…

Q: How many moles of NaCI are in 1.85 L of a 0.458 M NaCI solution ?

A: Given- Volume=1.85L  Concentration of NaCl=0.458M  Moles of NaCl=?

Q: Convert the following measurement. mol 8. mol 4.86 x 10 2 kg m g.cm

A: The conversion of quantity from one unit to another unit is known as unit conversion. During the…

Q: Redox is a portmanteau of reduction and oxidation A True B False

A: Given statement,  Redox is a portmanteau of reduction and oxidation.

Q: half-reaction standard reduction pote Br,(1)+2e + 2 Br (aq) +1.065 V %3D (red NO, (aq)+4 H"(aq)+3e ¯…

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Q: the half reaction method. 2.Fill in following questions Applying Rules for Balancing Redox Reactions…

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Q: 16.57 The acid-dissociation constant for benzoic acid (CgHsCOOH) is 6.3 × 10-$. Calculate the…

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