Q1. Describe ionic liquids and their solutions with examples?

Q: How many grams of CaCl2 should be dissolved in 500? mL of water to make s 0.333 M solution?

A: Given  Volume                    = 500 mL          Molarity of solution = 0.333 M  Mass of CaCl2…

Q: The solubility of a gas in a liquid will increase as temperature decreases, but a solid’s solubility…

A: The solubility of gases increases with temperature for a solid because  as at higher temperature…

Q: GIVE EXAMPLES OF SOLIDS THAT DECREASE ITS SOLUBILITY IN WATER AS TEMPERATURE INCREASES.

A: Solubility is the property of dissolution of a solute in a solvent to form a solution. Dissolution…

Q: The solubility of a gas in a liquid will increase as temperature decreases, but a solid’s solubility…

A: Answer:- The solubility of gas in liquid increase with decrease in temperature because the…

Q: What volume in L of concentrated potassium hydroxide solution (21.5 mol/L) is required to prepare…

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Q: Predict differences in our global environment that may havearisen if the freezing point and boiling…

A: Differences in our global environment that may have arisen if the freezing point and boiling point…

Q: how many grams of sucrose must be added to 475 ml of water to make 65% (w/w) solution?

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Q: Sketch the “interactive network” of water molecules in theliquid state.

A: A water molecule is consisting of an O-atom as the central atom which is covalently connected to the…

Q: Some covalent compounds dissociate into ions in water. What atom do these compounds have in their…

A: Given :    Some covalent compounds dissociate into ions in water. What atom do these compounds…

Q: Q6. How much water do we need to add to obtain 1.0 M of HCI solution by consuming all 500 ml of 3.0…

A: Answer: 1.5 L or 1500 mL water we need to add to obtain 1.0 M of HCl solution by consuming all 500ml…

Q: Define the term Hydration?

A: The term hydration has to be defined below.

Q: An ethylene glycol (C2H6O2) solution freezes at -10°C. Determine the amount of ethylene glycol added…

A: The depression in freezing point  can be calculated using the freezing point of the solution and…

Q: As a pot of salt water boils, the water evaporates, leaving behind the salt. Therefore, as the water…

A: The salt water requires more exposure of heat in order to boil off water alone, so the boiling point…

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: Which component of the solution which being described below? it identifies the

A: Solution is the Homogeneous mixture of two or more substances.  it identifies the nature of the…

Q: Define the term solvation?

A: The term solvation has to be defined below.

Q: 47 g of NH3 are dissolved in 50 g of water at 20 deg C. Is the solution unsaturated or saturated or…

A: In this question, we want to determine Ammonia NH3 Solution is saturated or unsaturated or…

Q: What are the Intermolecular Forces Involved in Solutions?

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Q: Essentially the question is what makes a freezing point greater.

A: Properties of a solution which depends upon the no of solute particles present in it is called…

Q: hat is the vapor pressure of ethyl alcohol at 45 C? 100

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Q: Both water and ethanol are infinitely miscible in one another. This means the resulting mixture…

A: If two liquids are completely miscible in each other then they appear as a single solution.

Q: Some laboratory procedures involving oxygen-sensitive reactants or products call for using water…

A: Dissolved oxygen is always present in water.

Q: solute will have the lowest freezing

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Q: 5:17 Determine the boiling point of an aqueous solution composed of 111.0 g ethanol (CH3CH2OH)…

A: Given, mass of ethanol = 111.0 g mass of water = 400.0 g = 0.4 kg Boiling point of the solution…

Q: 1. Describe and explain the nature of liquids by relating it with intermolecular attractive forces.…

A: Two questions based physical chemistry, which are to be accomplished.

Q: Nicotinamide is a water-soluble nonelectrolyte vitamin important in metabolism. Addition of 3.88 g…

A:

Q: Water will not dissolve covalent substances which are nonpolar. Which substances are nonpolar?

A: Water does not dissolves non-polar substances but it dissolves polar substances this theory based on…

Q: Water is a _(i). solvent which dissolves _(ii. and _(ii) compounds to form _(iv)_ mixtures which are…

A: The question given is,

Q: What is the mass percent of potassium iodide in this solution?

A: Given :- mass of solution = 75.0 g  mass of KI (solute) = 18.7 g  To be calculated :- % (w/w) of KI…

Q: 2. Why does adding salt to water increases the boiling point of water?

A: Colligative properties are the properties of substance which depend upon amount of solute added.…

Q: Question attached

A: The liquid sample is said to be "Miscible" when two compounds mix with each other completely, they…

Q: (Q66) At what temperature (°C) will a solution that contains 78.4 grams of the nonelectrolyte…

A:

Q: What is the lowest temperature that is needed to completely dissolve 1000 g of sodium hydroxide in 1…

A: Solubility of a substance is defined as the minimum amount of a substance which can be dissolved in…

Q: Supersaturated solutions are characterized by: a. being super-hot b. having great stability c.…

A: Hi, we are supposed to answer one question. To get the remaining questions solved please mention the…

Q: Use the graph below as reference: What is the boiling point of a solution of 50% toluene?…

A: Answer is given below :

Q: What is entropy? Why is entropy important in discussing the formation of solutions?

A: The degree of disorderness is referred to as entropy. Gas particles will have higher positive…

Q: What observable characteristics are common in the solutions? What substance does this characteristic…

A: Based on composition of matter we have pure and impure substances. chemical classification of matter…

Q: Oxygen is dissolved in a 40 % ethyl alcohol solution. This is classified as an a. solid solution…

A: Answer        Oxygen is dissolved in a 40 % ethyl alcohol solution. This…

Q: how colloidal solutions can be purified?

A: There are various methods of purification of colloidal solutions.

Q: a. b. c.

A: When in pure water we add solute particle irrespective of their nature then vapour pressure of…

Q: How do solutions differ from compounds? From other mixtures?

A: The difference of solutions from compounds and the difference of solutions from the mixtures need to…

Q: Q1. Write any 4 properties of gases.

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Q: Q4. How will you compare the boiling temperature of the solutions with that of a pure water?

A: The boiling temp. or the boiling point is the temp. at which the vapor pressure of the liquid and…

Q: (Q67) What is the freezing point of a solution made from 771.4 grams of benzene to which 42.4 grams…

A: Given,  Mass of solvent, benzene = 771.4 g  Mass of solute, cycloheptene = 42.4 g  Wat is the…

Q: S c. Are the interacti 64. The vapor pressures of several solutions of water-propanol (CH;CH,CH2OH)…

A: Normal boiling point of a liquid is the temperature at which the vapor pressure is equal to the…

Q: A small cube of lithium 1density = 0.535 g/cm32 measuring1.0 mm on each edge is added to 0.500 L of…

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Q: Anti free liquids are mixed with water in car radiators to form solutions with low freezing points.…

A: Antifreeze solution  that lowers the freezing point of water protecting a system from the ill…

Q: What are the pharmaceutical uses of Hypertonic solution?

A: