Which of the following aqueous solutions are good buffer systems? U0.36 M barium iodide + 0.29 M calcium io lide 0.19 M hydrocyanic acid + 0.19 M potassium cyanide 0.20 M sodium hydroxide + 0.27 M sodium bromide 0.29 M ammonia + 0.36 M barium hydroxide 0.27 M perchloric acid + 0.23 M potassium perchlorate

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Q: Technetium-99m (gamma emitter, t1/2 = 6.02 hr) is widely used for diagnosis in medicine. A sample…

A: [Ao] = 4.52 × 10-6  t1/2 = 6.02 hr

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Q: Describe

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A: Given: Reaction is as follows: NaOH + H2O  ----->   Na+  +  OH-  + 10.6 KJ This is an exothermic…

Q: Give the IUPAC names of the following(skip e) CI 2-chloró-4-ethylheptane a) b) c) d) = f)

A: IUPAC name are as follows:

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Q: A glass containewas initially charged with 2.00 moles of a gas sample at 3.75 atm and 21.7°C. Some…

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Q: If a solution is red in color, which of the ff. is INCORRECT? 1. Red light is absorbed. II. Green…

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Q: A student ran the following reaction in the laboratory at 1083 K: 2S03(g)2s02(9) + 02(9) When she…

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Q: Chemistry If you prepare a 500 mL phosphate buffer solution using 3.00g Disodium Phosphate Dihydrate…

A: Given :  Volume of buffer solution = 500 ml  Mass of Disodium Phosphate Dihydrate = 3.00 gm  Mass of…

Q: All macromolecules, except are polymers. O RNA O carbohydrates O proteins O lipids O DNA

A: Monomers combine together to form polymers . All macromolecules including proteins , carbohydrates…

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A: Reducing sugar has free hydroxy group at alpha position. If hydroxy group is below at alpha position…

Q: An acid-base titration is used to standardize a solution of NaOH. A student adds 25.00 mL of a…

A: KHP + NaOH →NaKP + H2O At equivalence point Number of moles of KHP = Number of moles of NaOH

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A: This question belong to nucleophilic substitution reaction. Nucleophilic substitution reaction…

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A: Consider the given redox reaction, answer the following questions---

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Q: Calculate the standard reaction enthalpy for the reaction between NO and O3. NO(g) + O3(g) → NO2(g)…

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Q: a) Draw the product of the reaction of Compound L below. a bne Abnue 1. O3 2. (CH3)2S OucHe below.

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Q: 4. a) Draw and label the E and Z isomers of 3-methyl-2-pentene: CH,CH=C-CH,CH, b) Draw the all the…

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Q: Question 7 Which of the following is NOT a strong electrolyte? O CCI4 O NaCl O HCI O KOH

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A: The solution is given below -

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A: ∆G for reaction can be calculated using formula  ∆G = ∆G° + RTlnQ So, first we need to calculate ∆G°…

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Q: How many calories 5000 Joules are?. No computation, no points

A: There are different units of heat-  1- joule 2- calorie

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Q: What types of intermolecular forces exist between water and HF?

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Q: Consider the following reaction where Kc = 1.20×10-2 at 500 K. %3D PCI5(g) PPCI3(9) + Cl2(g) A…

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Q: reaction is a reaction that O releases energy into the surrounds. O decreases the temperature of the…

A: Energies are of two types  1. Endothermic  2. Exothermic

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A: In acid-base reaction, we need to tell the products formed.

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A: Entropy is the measurements of randomness.

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A:

Q: 9. 2) Would you expect the entropy of CH,OHm to be greater than, less than, or equal to the entropy…

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.