(Q66) At what temperature ( glycol (C2H6O2) that has beer point of water is 100.00°C. ( decimal places)

Q: • One mole of water weighs 18 g at 4 °C. True False

A: Mass of 1 mole of a substance in grams is called molar mass

Q: Aglucose solution contains 83.8 g of glucose (C&H12O6) in 473 g of water. Determine the freezing…

A: We are given, mass of glucose =83.8 g mass of water =473 g Kf=1.86°C/m Kb=0.512 °C/m freezing point…

Q: Compound Weight (in grams) Molecular Weight Barium hydroxide 10 171.34 g/mol Sodium chloride 25…

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Q: 2. Find (i) the boiling point and (ii) the freezing point of a solution containing 0.52 g glucose…

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Q: A. The Lewis diagram for NICI₂ is: Please note that "geometry" refers to the molecular or ionic…

A: Determine electron-pair geometry and lone pair on central atom among them ?

Q: How much solution could be heated to boiling by the heat evolved by the dissolution of 22.5 g of…

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Q: If one mixes 50cm³ of EtOH and 50cm³ of H2O at room temperature; will the total volume of the…

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Q: Calculate the amount of heat produced when 3.891 L of liquid acetonitrile (C,H,N) is burned in…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: (Q58) How many grams of potassium nitrate will be required to prepare 772 mL of an aqueous solution…

A: (Q58) Molarity is the ratio of moles of solute to volume of solution in Litres.  Molarity = moles of…

Q: In part 1 of this lab, you will be calculating A-H by conducting constant-pressure calorimetry…

A: Answer: When a m mass of a system gains Q heat and temperature change is ∆T then relation between…

Q: (Q74) At what temperature (in °C) will a solution in which 80.56 grams of iron (III) chloride has…

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Q: What mass of water (in grams) is produced by the complete combustion of 2.68 g of ethanol, C2H5OH?…

A: Burning of any hydrocarbon gives CO2 and water from the balance equation we can calculate it .

Q: cal energy content when eaten 5 1.15 X 10 0 0 kcal 1 85.0 0 kJ 0 188.

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Q: Calculate the boiling point (T), in degrees Celsius, for a solution that contains 106.4 g of AICI,…

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Q: Look at the image below. Ne C ΟΝ D N Based on the distribution of electrons, which would you expect…

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Q: A certain substance X has a normal boiling point of 118.2 °C and a molal boiling point elevation…

A: T(solvent) = 118.2oCT(solution) = 120.7oCi = 1 as urea is non-electrolyteKb = 2.33oCkg/molmolar mass…

Q: A certain liquid X has a normal boiling point of 141.20 °C and a boiling point elevation constant K…

A: Given :-  Mass of Zinc chloride, ZnCl2 = 0.12 kg = 120 g  Mass of Liquid X = 800. g = 0.8 kg  Kb for…

Q: Ethylene glycol (C2H6O2), also known as antifreeze, is a liquid coolant added to  water in vehicle…

A: Answer:- This question is answered by using the simple concept of calculation of volume using…

Q: (Q68) What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,296 grams of water to…

A: The solution is made up of solute and solvent. The solute is present in a small amount and the…

Q: The boiling point of water is 100.00 °C at 1 atmosphere. A student dissolves 11.96 grams of…

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Q: (b) (i) Based on the data given in TABLE 1, construct an energy cycle diagram for dissolution of…

A: Dissolution of LiCl = (Dissolution of Li+ + Dissolution of Cl- ion)- Lattice Energy   Dissolution of…

Q: (Q61) What is the mole fraction of solvent of a solution in which 2.17 grams of liquid benzene…

A: Given: Mass of benzene = 2.17 g Mass of hexane = 609 g Standard data: The molar mass of benzene =…

Q: A solution of toluene in 301g of cyclohexane has a boiling point of 90.3 degrees C. How many moles…

A: The elevation in the boiling point (b.pt) of cyclohexane (ΔTb) is calculated using equation (1) in…

Q: (Q68) What mass (in grams) of ethylene glycol (C2H,O2) must be added to 1,312 grams of water to…

A: Solution is made up of solute and solvent . Solue is present in small amount and solvent is present…

Q: (Q67) What is the freezing point of a solution made from 883.6 grams of benzene to which 56.0 grams…

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Q: (Q66) At what temperature (°C) will a solution that contains 70.4 grams of the nonelectrolyte…

A: Mass of ethylene glycol = 70.4g  Mass of water = 632 g  Boiling point of pure water = 100°C

Q: q= 4.184 heat energy in joules. Use the formula: q=(m)(c)(ΔT) where m=mass of water being heated in…

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Q: 1- A solution is prepared from 3 gm of NaOH and 75 gm of water. Kf -1.86 C/m, K, = 0.521 C/m and…

A: Answer..

Q: STEM WOrkplace Practices Q1

A: The objective of the question is to identify an example of a chemical that is used in Clean-In-Place…

Q: Gasoline vaporizes in the carburetor of an automobile engine 2Hg (1) + O₂ (g) --> 2HgO (s)…

A: Given data:Different types of processes are givenMatch each reaction to the change in…

Q: Part D ? 57.0 °C = K Part E ? 111 °F = °C

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Q: NaOH, H₂O, heat Na Ⓒ 0: Ⓒ Na HO OH

A: Sodium hydroxide (NaOH) can act as a nucleophile in certain chemical reactions. In its ionic form,…

Q: (Q74) At what temperature (in °C) will a solution in which 61.31 grams of iron (III) chloride has…

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Q: (Q68) What mass (in grams) of ethylene glycol (C2H6O2) must be added to 1,137 grams of water to…

A: Molality of a solution can be defined as the number of moles of solute dissolved per kilogram of the…

Q: (Q63) Consider a hydrogen peroxide (H2O2) solution that is 27.7 molal. Given the density of solution…

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Q: C₂H6O(1) +O₂(g)→CO₂(g) + H₂O(g) Express your answer as a chemical equation. Identify all of the…

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Q: 2) In an experiment to determine the molar mass of dichlorobenzens C6H4C12 using freezing point…

A: Here the solvent is cyclohexane and the solute is dichlorobenzene. Volume of the solvent,…

Q: At a steelworks, molten iron is heated to1500° Celsius to remove impurities. It is most accurate to…

A: Correct answer is : (v) all three of these. Molten iron contains a large amount of (i)…

Q: physical chemistry: With the given diagram below, How many phases does a mixture of these…

A: The objective of the question is to identify the number of phases.

Q: 2. Calculate the enthalpy of hydration of CuSO, if 16.34 g of CUSO, dissolves in water and gives out…

A: Determine the energy released for dissolving per mole of CuSO4. Find the moles of CuSO4. When 0.102…

Q: A student dissolves 12.4g of ammonium nitrate (NH4NO3) in 200.g of water in a well-insulated open…

A: Given, Mass of Ammonium nitrate = 12.4 g Mass of water = 200.0 g Temperature of water falls from 21◦…