1. A solution was obtained by dissolving 25 grams of nonelectrolyte in 1000 grams of water. The freezing temperature for this solution equals as to - 1.55 °C. Determine the molar mass of dissolved substance. Cryoscopic constant for water equals to 1.86 K.Kg/mol.

Q: In the generic chemical reaction at equilibrium and given below, the value of the equilibrium…

A: Given :  K = 0.43  Concentration of Z = 0.033 M  Initial concentration of A & B  = 0

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A: Given reaction is : 2X (g) <-----------> Y (g)  At equilibrium [Y] = 3[X]  If equilibrium…

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A:

Q: 1-Write the chemical formulas and reactions for the method of removing lead from water using…

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A:

Q: Write the lewis electron dow structure of Magnesium Iodide. Determine also whether Magnesium Iodide…

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A: Answer : Regioselectivity:   Markonikov's addition reaction is a type of reaction that involves…

Q: The refining of nickel from nickel oxide is shown in the following reaction: NiO + H₂-> Ni + H₂O…

A:

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A: There is more than one question,and as per answering guidelines I can answer first three…

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Q: What volume of water will you need to make a .50% glucose solution with 2.75 x 10 to the negative…

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Q: othermal by

A: Given as  The comparison as,

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Q: 3. List two major sources of error associated with pH measurements.

A: Two major sources of error in pH are : 1. Storing the Electrode Dry : Electrode should be in…

Q: How many moles are there in 685.58 g of Hexane (C6H14)? 0.13 O 7.97 O 13.71 O 0.07

A:

Q: I. FAD is an example of a coenzyme. II. FAD is a coenzyme used in * the oxidation and reduction type…

A: ---> From DNA to MRna coversion the thymine is replaced with uracil. As the RNA has its 4 bases…

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Q: Describe the trend in atomic size:     Describe the trend in atomic radius:

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Q: Study the equilibrium "e" shown below. What happens if an amount of calcium oxide is removed in a…

A: Since we can see that CaO is in the product side of reaction e  And it is in the solid form so any…

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A: we have to write the IUPAC name of the given compound

Q: Mg(s)-> Wire (V) Voltmeter Salt bridge Wire Mg2+(aq) Ni2+(aq) Mg(s) + Ni2+(aq) →→→ Mg2+(aq) + Ni(s)…

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Q: For the question that follows, consider the following equation. 2Mg +02-2MgO The number of grams of…

A: According to Bartlby guidelines I solve only first question. Second question post separately.

Q: major product of dehydration reaction using H2SO4

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Q: Chemistry Whats the product to this? анд О осиз 1) на осно 2)H2O+ work up

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Q: Determine the pH and pOH of a solution at 25C with a hydronium ion, H₂O*(aq), concentration of…

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Q: The diagrams 1 to 3 below can be arranged to show the mechanism involved in a familiar reaction. The…

A: here we are required to determine the sequence of the reaction mechanism

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Q: Write the structure of the tripeptide Ser-Gly-Ala

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Q: Question1 12 UI 12 Provide the correct IUPAC name for the compound shown here. SH

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Q: Phosphorus pentachloride  gas partially decomposes to phosphorus trichloride gas and chlorine gas. A…

A: Phosphorus pentachloride g  →Decomposition Phosphorus trichloride g  +  Chlorine g1.20 mole of…

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Q: 2) Which of the following compounds will have an IR absorp 3300 cm-¹?

A: IR spectroscopy is branch of chemistry in which we deal with change in dipole moment of molecule.

Q: (a) Write the balanced chemical reaction between sodium bicarbonate and acetic acid. (b) In the…

A: Balanced Reaction: NaHCO3 + CH3COOH ---> CH3CONa + H2O + CO2

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Q: The following reaction is catalyzed by H₂SO4: CH3COOH + CH3CH₂OH → CH3COOCH₂CH3 + H₂O Which type of…

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Q: The diagrams 1 to 3 below can be arranged to show the mechanism involved in a familiar reaction. The…

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Q: In each of the following pairs, which has the bigger radius? 0²- Mg2+ N W: X: Y: Z: < BUDE B. C. A.…

A: We use the below rules to compare the radius of different elements/ions in periodic table:

Q: 1. A solution was obtained by dissolving 25 grams of nonelectrolyte in 1000 grams of water. The…

A: Given data, Mass of solute=25 g molar mass of solute=? mass of solvent=1000g=1kg Freezing…

Q: Calculate the pH of a 0.0750 M NH3 solution.

A: Since it is basic solution of NH3 so pH will be greater than 7.

Q: An unknown cadmium (II) solution was analyzed polarographically by the method of standard additions.…

A: Given : Mass of unknown sample = 25 ml i = 1.86 μA Concentration of Cadmium ion = 2.12 × 10 -3 M…