Balance the following redox reaction in basic solution. MnO,(s)+Br,(1) MnO,(aq)+Br (aq) Mno,(s) + Br, (1) → Mno, (aq) + Br (aq)

Q: The absorbance for a dye sample of unknown concentration is measured and the corrected absorbance is...

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Q: You are trying to make a 6mL solution with a agar concentration of 0.2mg/ml. The stock solution is 5...

A: M1V1=M2V2 is the dilution formula where M1, V1, M2 and V2 are concentration of stock solution, volum...

Q: If red and green solutions were mixed would you expect an orange color result?

A: Red solution + green solution = yellow solution We would not expect an orange color result. 

Q: b. . According to the Arrhenius Theory, the ion that is produced in theg HCl is dissolves in distill...

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Q: 100mL of 0.200 M AgNo3  is mixed with 100mL of 0.100M Na2S04. How many grams of Ag2SO4 will precipit...

A: To calculate the grams of Ag2SO4 precipitates , we would first write a balanced chemical equation.  ...

Q: Consider the following chemical reaction: 2H2O(1) → 2H2 (g) + O2(g) What mass of H2 0 is required to...

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please re...

Q: 2. Suggest a reason that K, is influenced by ionic strength. 3. Explain the difference between "endp...

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts fo...

Q: The UV spectrum for which of the following compounds would have the largest value for λ max? A. (CH3...

A:  λ max depends upon the type of transition  and the conjugation  present in the compound  

Q: Which indicator is found in a solution with a pH of 10? a. Phenolphthalein turns colorless C. Thymol...

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Q: Which of the selections below correctly describes the bond angle and hybridization for the carbon, h...

A: Given that: methanal  It is also called as formaldehyde. Structure :

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A: Chemical bonds are formed when two atoms are come close to forms bonds by either donating electrons ...

Q: 1. 25.00 mL of 0.2M acetic acid and 3.81 mL of 0.20 M NaOH were mixed together. The resulting soluti...

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Q: Vill precipitation occur if 250 ml of 0.12 M Pb(NO3)2 is mixed with 250 ml of .070 M NaCl ? Ksp PbCl...

A: Concentration of Pb(NO3)2 = 0.12 M Volume of Pb(NO3)2 = 250.0 mL Concentration of NaCl = 0.070 M Vol...

Q: Give three objects in your home that are considered as organic compounds. Identify whether it is an ...

A: Home used objects : 1)LPG gas  2) Polythene  3)Fruit juice  4) perfumes  

Q: Calculate the pH of a 0.506 M solution of NaF. The K, for the weak acid HF is 6.8 × 10-4. pH =

A: The PH of NaF can be calculated as follows

Q: . A sample of sodium chloride (NaCl) weighs 5.84 g. solid sample is dissolved in 725 mL of water. Wh...

A: Question-1:-

Q: polar or at nonpolar?

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Q: + 'CI

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Q: The value of K, for acetylsalicylic acid (aspirin) is 3.00x104. What is the value of Kp, for its con...

A: Ans. 3.33*10-11

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Q: While examining the conformations of Butane, youould have seen the Eclipsed (120° dihedral angle) an...

A: Butane has three type conformer  ->Anti ->Gauche ->Eclipsed      

Q: Determine the average rate of change of B fromt 0s to Time (s) Concentration of A (M) t = 362 s. 0.7...

A: Given- t1=0s t2=362s

Q: A nitrogen gas (MW = 28) occupies a volume of 5ft3 at 2550 lb/ft2 abs and 755oR. What are its specif...

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Q: Binary Covalent Polyatomic or ionic or ion? acid name If ionic, charge on the cation and anion formu...

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Q: You are asked to prepare 304 µL of a 1/38 dilution solution from your collected sample. How much yo...

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Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H H ...

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Q: Determine the [H3O*] of a solution prepared by adding 0.100 moles of NaF to 1.4 L of a 0.30 M HF sol...

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Q: Calculate the molality of a solution containing 14.3 g of Nacl in 42.2g of water. Na=23,C= 35.5,H=1,...

A: Given mass of NaCl (solute) = 14.3 g Mass of water (solvent) = 42.2 g = 0.0422 Kg  (1 Kg = 1000 g)  ...

Q: b. hydrogen ion d. hydride ion 4. In a laboratory activity, LIOH) is completely dissolved in distill...

A: 4.  LiOH is a strong base Nad HCl is a strong acid.  Therefore, neutralization reaction between stro...

Q: a. What alkene monomer is required to form this polymer? b. Give the stepwise mechanism for the synt...

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Q: Partition (or Distribution) Coefficient I best way to think about this is to start with a solute tha...

A: In the given problem we have to describe why the set of liquids used during the solvent extraction s...

Q: CH3COOH II IV O II OIV Ov

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Q: HCI(aq) + Ba(OH)2(aq) --> Bacl2(aq) + 2 H20(1) AH= -118 kJ Calculate the heat when 114.0mL of 0.50OM...

A: a)  Moles of HCl can be calculated as., 0.500 M HCl = 0.500 moles/ 1 L we have, 114 mL, which is 0.1...

Q: Organic product Inorganic product Br H.

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Q: Rank the substances from in order of expected melting point, based on the relative strengths of the ...

A: If the molecules have stronger force of attraction between their atoms then the requirement of force...

Q: 150.0 mL of 2.50 M NaOH is added to a 200.0 mL solution of 1.80 M HF. Assume that the volumes are ad...

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Q: 3. In the following unbalanced equations, identify the following a) The oxidized element and the red...

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Q: How to tell if a molecule is polar or non-polar without electronegativity?

A: Can be explained by using symmetry....

Q: AH =?

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

Q: conjugate acid conjugate base

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Q: molarity

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Q: A) OH B) НО. ОН Molecule A is achiral and molecule B is chiral Molecule A is chiral and molecule B i...

A: We have to predict the nature of molecules.  

Q: Need solution urgently

A: The number of peaks in 13C-NMR depends on number of different carbon. The equivalent carbon have sin...

Q: Consider the rate law. rate = k[A]* Determine the value of x if the rate doubles when [A] is doubled...

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Q: Calculate the number of hydronium ions in 51.70 ml. of an aqueous solution with a pll of 10.8. numbe...

A: Given- pH=10.88 Volume =51.70mL=0.0517L  Number of hydronium ion=?      

Q: 3. The following tests or reagents could differentiate 2,3-dimethylheptane and 2,3-dimethylhepta-1,5...

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Q: O ELECTRONIC STRUCTURE AND CHEMICAL BONDING DOMINGO V 3/5 Predicting whether molecules are polar or ...

A: Molecule or polyatomic ion polar or non-polar  atom closest to negative side    CH3Cl   Polar     ...

Q: e functional groups fo

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Q: Calculate the   pH   and  percent ionization of 0.05 M acetic acid Ka = 1.8 x 10 -5.

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Q: Reagent Concentration (Molecular weight) Amount Needed Bicine 5.00 mM (163.17) NaCI 500.0 mM (58.44)...

A: Amount needed calculated by the concentration