Many operations in the chemical laboratory use “salting out” in the procedure. What do the purpose of this technique?

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A: 1. A buffer is an aqueous solution composed of two weak acids.  False  Reason-  A buffer is simply a…

Q: Make a table of the physical properties (molar mass, MPT, BPT density and mass used/needed) for the…

A: Benzophenone is reduced to benzhydrol.with NaBH4.

Q: For the first blank select an answer with a (1) in front. For the second blank, select an answer…

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Q: Compute for the PCl5 concentration in the following reaction at 78°C equilibrium. PCl3(g) +…

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Q: Calculate the equilibrium constant at 250.0 °C.

A: Given data :

Q: Complete the following reactions (in structural formula) CH₃CHO + Schiff's Test --->…

A: Schiff test , Tollen's test and Fehling's test are used to detect the presence of aldehyde in…

Q: By Volume, % By Mass, and Parts Per Million 6 By Volume 100% par (CH COOH HUUSolUion with a volume…

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Q: If the Ksp of Ca(IO)2 is 4 x 10-9 and the [Ca2+] is found to be 0.001M, then the [103'] is: O 6.5 x…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: Question 3 For each compound on the left, which compound on the right can be combined with it to…

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Q: what is the ratio of effusion rates of krypton and neon at the same temperature and pressure?

A: The process of escaping the gas molecule through a very small hole is known as effusion. During…

Q: 1.243 grans di bm ne ( dissolved ina 2ohkolaquedus olunon How manyP DABA

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

Q: acidic, basic or neutral.

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Q: Which acids are not considered polyprotic? Select all that apply. H;PO3 HNO2 O H2SO3 HBr HE O HCIO4…

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Q: Assume the heat capacity values in Table 2.3 apply at all temperatures unless otherwise stated. (1)…

A: The answer is given below

Q: (3) For the reaction: CO(g) + 02(8) Co2(8) Calculate the standard enthalpy change at 473 K given…

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Q: For the redox reaction given below complete the following: 4AI (s) + 302(g) → 2AI2O3 (s) (a) What is…

A: The addition of electrons or decreases in the oxidation state is known as a reduction reaction and…

Q: Differentiate axial and equatorial. Draw of methylcyclohexane. Indicate axial and equatorial…

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Q: For the decomposition of hydrogen peroxide, shown below, the free energy change at 25oC is - 28…

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Q: Determine if the following substances act as an acid or base in the given reaction. 02- + SiO2…

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Q: Question 17 A beaker contains 100 mL of a 2.27 M HCN, 2.27 M CN buffer solution. Then, 25.6 mL of a…

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Q: 3. A lactory is pumpingihiercury bydroxide (Hg(OH)inta the Vocal lek a1,250 kilogram sample bf lake…

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Q: Calculate the AS° in J mol K-1 of the following reaction from the values in the table. 3 Fe(s) + 2…

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Q: Predict the sign of AS°rxn (positive or negative) for the following reactions: - v isopropanol…

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Q: can you help label peaks 100 2156 91am-1, 100 53%T 95 08.79om-1. 07 60NT 3011.71om-1, T 960…

A: IR spectra deals results from the interaction of infrared radiation with matter by absorption. IR…

Q: Provide the structure of the product(s) with stereochemisty if appropriate. If multiple products…

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Q: Conjugated cyanine dyes are commonly used to label proteins and nucleic acid for spectroscopic…

A: We have find out correct statement.

Q: What would be the van't Hoff factor (i) for a potassium sulfate, K2SO4 (100% dissociation) and why?…

A: Here we have to calculate van't Hoff factor for potassium sulfate(100% dissociation) and reason…

Q: 3. Predict possible products like Major/Minor products and write the mechanism (SN1, SN2, E1, E2)…

A: Reaction mechanism based problem.  Products are formed according the type of reagent used and…

Q: A total of 0.03295kg of zinc was placed into a graduated cylinder containing 50.0mL of water. By…

A: 0.03295 Kg of zinc is placed in 50.00 mL of water. After placing zinc into the cylinder, the water…

Q: lasswork for 5 Che x E Water and Solutions x = Roland Morris - %By x…

A: 1. The higher the pull for electrons the stronger the oxidizing agent. So the element with the…

Q: Can an electron be described by the ff.set of quantum numbers?if not identify which quantum number…

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Q: The molar volume of a certain solid is 142.0 cm3 mol-1 at 1.00 atm and 427.15 K, its melting…

A: Given that, The molar volume of a certain solid is 142.0 cm3/mol at 1.00 atm. Its melting…

Q: 2. At 630°K the heat of sublimation of ZrBrą is 25,800 cal/mole, while the vapour pressure is 1 atm.…

A: Given,  Heat of sublimation, ∆H = 25800 cal/mol  Sublimation pressure at temperature, T1 = 630 K ;…

Q: Write the wave function of the orbital occupied by the last electron in the 47Ag atom

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Q: 4.) The dissociation energy of a carbon-bromine bond is typically about 276 KJ/mol. What is the…

A: Given, the bond dissociation energy of a carbon-bromine bond = 276 kJmol We have to find the maximum…

Q: Q.2. Calculate the number of atoms of Copper in 32.8 grams of Cu;S.

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: yas Ul uikHoWh mólécular mass was allowed to effuse through a small opening under constant pressure…

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Q: The base protonation constant K, of lidocaine (C„H2,NONH) is 1.15 × 10 °. 14 Calculate the pH of a…

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Q: Calculate the total amount of energy per unit mass for parcels of air with the following properties:…

A: GIVEN:-

Q: Draw the Lewis structures for the following molecules. For each molecule, determine its (a)…

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Q: s as conjugate acid (CA), conjugate base (CB), a

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Q: Calculate the potential of the solution in the titration of 50.0 mL 0.100 M Fe2+ in 1.00 M HClO4…

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Q: ne standard reaction entropy of

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Q: Naming Cycloalkane

A: NOTE: The compounds given are not cycloalkanes but are rather alkynes due to the presence of…

Q: in the esterification of acetylsalicylic acid phosphoric acid was used as a catalyst. Hydrochloric…

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Q: Chemistry please explain: what is the difference between the composition of hydroxyapatite and…

A: Answer of the question given below,

Q: Convert each number to standard notation. 3.4x108 5.8220x10-5 3x102 6.860x10-8

A: Standard notation is the normal way of writing numbers as we generally use it. In this we neither…

Q: Given a 1,000 kg iron ore consisting of Fe2O3, Fe3O4, SiO2, Mn, and Al2O3, calculate for the weight…

A: Given that -  Mass of total mixture = 1000 kg Mixture containing = Fe2O3, Fe3O4, SiO2, Mn, and Al2O3…

Q: An engineer turns the temperature of a gas down, holding the volume constant at 1,250 L. Initially,…

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Q: Create a solution that describes one way to shift equilibrium so that organisms can again build…

A: The most effective way to limit ocean acidification is to act on climate change, implementing…