The basic principle of a rotary evaporator is that it rapidly removes volatile solvents from a solution by... using reduced pressure to lower the solvent boiling points and make them evaporate faster   using extremely fast rotation to "spin" the solvent molecules out of the flask   using very high heat to quickly boil off solvent

Q: The vapor pressure of a pure volatile liquid is 48.2 tor. If NaCl(s) is dissolved into this liquid,…

A: The vapor pressure of a pure volatile liquid is 48.2 torr. If NaCl (s) is dissolved into this…

Q: Based only on intermolecular forces, which of the following pairs of molecules would be expected to…

A: To identify: The pair which is expected to form a nearly ideal solution.

Q: Water is a small, polar molecule, capable of forming hydrogen bonds. Based on this, what types of…

A: 1) Given : Water is a small polar molecule that is capable of forming hydrogen bonds.

Q: All solute molecules move from areas of higher concentration to lower concentration through the…

A: In process of dialysis solute particles movement is observed from high concentrated area to low…

Q: 3. The following graph of the fractional distillation is the mixture (mol/mol ratio) of…

A: Definition of boiling point ~ The boiling point of a liquid is the temperature at which it starts to…

Q: Factors affecting solubility B.1 1. In glass A, mix the 2 T of coffee powder to hot water 2. Record…

A: A question based on solutions that is to be accomplished.

Q: A 2.50 L solution (d = 0.9767 g/ml) that is 13.8% ethanol is obtained. Suppose from this solution,…

A: An anti-freeze is a substance that lowers the freezing point of water or delays the freezing of…

Q: Which interactions and processes contribute to the dissolution of ionic compounds in water? Check…

A: Ionic compounds are dissolved in water due to polarisation. Any process or interaction that causes…

Q: When carbon tetrachloride (nonpolar) dissolves in hexane (nonpolar), the forces between the…

A: The attraction forces between the different molecules are known as intermolecular forces.

Q: 1) What will happen to a sample of XY if you start at (12 atm, 200 °C) and increase t pressure at…

A: A question based on phase diagram that is to be accomplished.

Q: 5.00 g of NaCl is dissolved in 1000 . of ethanol. The solution is in a container maintained at

A: Here, NaCl is a non-volatile solute, the vapor pressure of the solution can be expressed using mole…

Q: what mass of water should be used to dissolve 20 grams of ethanol, to prepare 0.0500 molal solution…

A:

Q: Why is it important to maintain the rock salt/ice mixture at a temperature of -10oC? A. Because it…

A: It  is important to maintain the rock salt / ice mixture at a temperature of -10°C. This is because…

Q: How much heat is required to convert 21.0 g of ethanol at -140 c to the vapor phase at 78 c

A:

Q: Why if salt water is heated the water turns into steam while the salt remians the same

A: Elevation in boiling point : Boiling point elevation comes under the colligative properties of the…

Q: · In general, under room temperature, which of the following type(s) of solid(s) would not dissolve…

A: The network covalent solids ate the solids that are insoluble in any kind of solvent. Therefore…

Q: What property of water causes pipes to break when they freeze? density of water high specific heat…

A: Here, we have to find the property of water that causes pipes to break when they freeze.

Q: Methanol dissolves in water. What intermolecular forces (IMFs) are overcome/broken within water when…

A: The intermolecular interactions are the intermolecular forces which mediate interaction between…

Q: Arrange the following compounds in order of increasing solubility in water and briefl explain your…

A: Solubility refers to dissolution of a compound in a solvent. Alkyl halides are compounds which has…

Q: The concentration at which micelles first form in solution is known as critical micelle…

A: Detailed explanation:The determination of CMC can be achieved through various experimental…

Q: Calculate the percent by mass of methyl acetate in appointing solution around two significant digits

A: Given that,Boiling point of the solution = 95.7 CMass of methyl acetate = 50%Assume that mass of the…

Q: vitamin c which is true based on your molecules solubility in my module h bonding to water dominant…

A: Vitamin C, also known as ascorbic acid, is a water-soluble vitamin that forms an important part of…

Q: Understand how the phase diagram shifts in response to solutes being added to a solvent Understand…

A: A question based on phase diagram that is to be accomplished.

Q: Imagine a sealed container is filled half way with a pure liquid and the vapor pressure is measured.…

A: Vapour pressure: it is defined as the pressure exerted by vapour of a liquid at liuid vapour…

Q: What's the relationship between the boiling point and vapor pressure of a solution? a) There's an…

A: Vapour pressure is the measure of tendency of a material to change into vapour state, it increases…

Q: Indicate the expected van't Hoff factor for the following compounds. Compound Expected Van't Hoff…

A:

Q: Naphthalene has a relatively high vapor pressure for a solid (because of its volatility, naphthalene…

A: Sublimation is defined as the conversion of solid to vapor directly. Sublimation temperature of…