Which method would you use to determine water content in packaging material, pharmaceuticals and cosmetics?  Mention few advantages of this method.

Q: is used for organic compounds which decompose at or below their boiling points. ........

A: The boiling point is defined as the point at which the temperature of the liquid becomes equal to…

Q: i What is Desalination Process? With the neat sketch explain its 16. operation? ii. Discuss the…

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Q: 3. Why do oils leave a translucent spot on paper even after drying, while ethanol and water do not.

A: It's translucent. It is due to filling of the gaps between the particles of the paper by oil…

Q: Will water alone clean oil from a fabric?

A: Solution- No, water Not alone clean oil from a fabric for there is, required to chemical energy as…

Q: What is evaporation? Condensation?

A: When a liquid is heated some of its molecules get enough energy to overcome intermolecular forces…

Q: At the top of Mount Everest, water boils at 70  C. Explain.

A: Boiling point is temperature at which vapour pressure of liquid become equal to atmospheric pressure…

Q: Why is water commonly used in cooling systems?

A: Cooling system absorb heat from hot objects . It involve transfer of thermal energy from hot object…

Q: what is the reason for the formation of hydrogen bonds between molecules of water

A: Water molecules forming hydrogen bonds with one another. The partial negative charge on the O of one…

Q: List the main steps involved in treating water for domestic uses?

A: To find: The main steps involved in treating water for domestic uses.

Q: What kinds of attractive forces exist between particles (atoms, molecules, ions) in ionic crystals

A: An ionic crystal is a crystalline ionic compound. They are solids consisting of ions bound together…

Q: B. Using the concept of intermolecular forces of attraction, explain why butter melts at room…

A: B.) There are van der waals forces of attraction present between the molecules butter. When butter…

Q: Why does spilled gasoline evaporate more rapidly on a hot day than on a cold day?

A: The reason behind given fact is explained below, Liquid state: A physical state of matter where…

Q: In hand. your own words, explain how you can boil water in a syringe without burning your

A: We know that, the boiling point of water is 100 0 C in 1 atm. At the boiling point, internal vapor…

Q: Consider this list of substances: H2O, Ni, KI, CH4. Match these substances with the properties…

A: Ionic compounds and metals are good conductors of electricity as the electrons in them are free to…

Q: Mineral A is discovered to be an ionic compound, while Mineral B is a molecular compound. If the…

A: Minerals are the naturally existing form of metals. In molecular compounds, the molecules are held…

Q: Water is a good solvent for many substances. What is the molecular basis for this property, and why…

A: The geometry of the water molecule is bent and it is highly polar in nature which results in a…

Q: Why does distilled water not conduct electricity, whereas rain water does?

A: Given: Distilled water does not conduct electricity whereas rain water does conduct.

Q: explain how you can boil water in syringe without burning your hand.

A: The boiling point for the water at normal pressure, usually around 1 atm, is 100oC. At the boiling…

Q: Do water molecular properties change based on the phase of water? Why or why not? please explain and…

A: A question based on physical chemistry, which is to be accomplished.

Q: Describe the properties of a liquid, including vapor pressure, viscosity, and surface tension

A: To find: The description about the properties of a liquid including viscosity, vapor pressure and…

Q: what is the chemical formula for water? What atoms make up this compound?

A: The chemical formula for water is to be given and the atoms that make up this compound are to be…

Q: Explain how the density of water varies from 0⁰C to 10⁰C and explain how this temperature density…

A: Water exhibits an abnormal property whereby it expands instead of contracting when the temperature…

Q: When you test a sample of tap water, the lightbulb of the conductivity apparatus glows bright why?

A: When we test a sample of tap water, the light bulb of the conductivity apparatus glows bright. Hence…

Q: Consider octane (C8H18), an active ingredient in gasoline. Octane is a liquid at room temperature…

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Q: why oils leave a translucent spot on paper even after drying while ethanol and water do not

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Q: Which list includes only bulk properties of matter? O kinetic energy, strength of electrical forces,…

A: Given options are : a). Kinetic energy, strength of electrical forces, vapor pressure  b). Boiling…

Q: Examine the heating curve for water? Explain why the curve has two segments in which heat is added?

A: Water has hydrogens that are directly bonded to the oxygen atom. Water is capable of forming…

Q: Which one is the different properties of water?  A. transports, lubricates, cushions, and excretes…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: Why is ‘‘distillation’’ a purifying technique?

A: Answer Distillation is a purifying technique. Distillation is…

Q: What is the best way to extract water from air?

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Q: Take some water with a straw and put a few drops on plastic sheet. (a) What is the shape of the…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: What category of environmental chemistry that deals with chemical phenomena in all types of water…

A: In environmental chemistry, natural process, such as biodegrading, photosynthesis, water cycle, are…

Q: Which substances have the same color, taste,and flammability?

A: Taken the example of salt , oil  tissue and  paper.

Q: topic- around the world boiling point and vapor pressure. Q- describe the motion of the water…

A: Interpretation -  To describe the motion of water molecules as the vapor pressure increases on the…

Q: Explain hydrogen bonding and how it contributes to the unique properties of water such a surface…

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Q: Why can't water alone clean soiled clothes effectively? How does the detergent help in the cleaning…

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Q: How do cohesive force and adhesive force explain the absorption of water by tissue paper? For a…

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Q: Which statement describes why the viscosity of maple syrup is higher than that of orange juice?

A: Viscosity is defined as the measure of fluid's resistance to flow in a medium. The stronger the…

Q: You may have found that washing the oil out of a pan with water alone is exceedingly difficult. But…

A: Soap is a sodium or potassium salts of higher fatty acid. Soaps are cleansing agents capable of…

Q: Hi, what is an example of water resisting temperature change? and why?

A: The specific heat capacity (B) of a substance is related to the quantity of energy (Q) in the form…

Q: What happens at the molecular level when water is cooled? What happens at the molecular level when…

A: 1) When water is cooled, the molecules get close together. The water gets denser than the room…

Q: Are there intermolecular forces in sunscreens?

A: When sunscreen ingredient menthyl anthranilate  and its precursor methyl anthranilate were studied…

Q: As a sample of water is heated from 25.0°C to 100.0°C, the temperature of the sample changes.…

A: When water is heated , water molecules absorb heat energy. The absorbed water molecules move more…

Q: Which will vaporize faster between alcohol and water?

A: The rate of vaporization depends upon the boiling point of the liquid and intermolecular…

Q: Give an example of a unique property of water and describe how it came about.

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Q: explain how ammonium nitrate is an effective material for ice packs.

A: Answer - Ammonium nitrate - Ammonium nitrate is a crystal-like white solid which is made in large…