Why is the ice is less dense than liquid water so unusual?

Q: How does the specific heat of water compare with that of various metals? Why?

A: Specific heat can be defined as the amount of heat that is added or release from any substance to…

Q: How does the arrangement of atoms in a crystalline substance differ from that in a noncrystalline…

A: Crystalline material In crystals the atoms are neatly stacked in a three dimensional array. The…

Q: What are four common phases of matter?

A: A phase is a physically distinctive form of matter.

Q: Does increased atmospheric pressure increase or decrease the boiling point of water? Why is this so?

A: At the boiling point, the vapor pressure equal to the atmospheric pressure. Vapor pressure of water…

Q: Would regelation occur if ice crystals did not have an open structure? Explain.

A: The structure of ice is similar to that of water molecules. There exist hydrogen bonds in ice…

Q: Why do the liquids boil at lower temperature at high altitude?

A: Air pressure highly depends on the altitude you’re at. In mountainous regions, the air pressure is a…

Q: Three liquids are at temperatures of 12°C, 19°C, and 31°C, respectively. Equal masses of the first…

A: Solution:   Given Values,   The Temperatures of first, second, and third liquids are as follows:…

Q: Ice is less dense than water because of its open crystalline structure. But why is water at 0 deg C…

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Q: How can water be brought to a boil without heating it?

A: Boiling is the process when liquid phase changes to the gas phase.

Q: Why is very cold ice 'sticky'?

A: An extremely thin layer of liquid water exists on the surface as the heat from the hand melts the…

Q: How does the combined volume of the billions and billions of hexagonal open spaces in the structures…

A: The combined volume of billions and billions of open spaces in the hexagonal ice crystals of a piece…

Q: The highest atmospheric temperature ever recorded on earth was 57.8 C°. How will you express this…

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Q: Why do substances expand when temperature is increased?

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Q: Why fragant perfum will be holding smell longer in colder temperaturate more than hot temperature?

A: Velocity of air depends on temperature,as the temperature increases velocity of air increases. At…

Q: How does the freezing point of a liquid compare with its melting point?

A: the melting point is the temperature at whcich a substance changes from the solid phase to liquid…

Q: Would larger molecules occupy more space than 1 mole of smaller ones? Would heavier molecules exert…

A: As the larger molecule has more molar mass, so the number of molecules is less in 1 mole as compared…

Q: Hot water is poured simultaneously in four metallic tumblers painted outside with different paints.…

A: A  perfect black body absorbs the entire wavelength falling on it. That is why they appear black.…

Q: The volume of a rectangular prism is 1.4 m^3. Its coefficient of linear expansion is a…

A: Given: The volume of the rectangular prism is 1.4 m3. The coefficient of linear expansion is 50×10-6…

Q: What percentage of an iceburg is below the surface of the water?

A: As we know that:-  Density of ice=0.9gm/ml(approx) Density of water=1gm/ml

Q: Convection occurs a) with or without the presence of matter. O b) only in metals. U c) only in a…

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Q: If you add oil to the water,what will happen?Will it create a single homogeneous phase or will it…

A: When oil is add to a water, oil doesn't mixed with water.

Q: What accounts for the bulged ends of a can of soda that has been frozen?

A: Water is less dense in solid form than in liquid form. Thus water expands on freezing.

Q: Your friend says that the primary difference between a solid and a liquid is the kind of atoms in…

A: No, the basic difference between the solid and liquid is the arrangement of atoms and bonds between…

Q: If a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of cream from…

A: Given that a room-temperature spoon is placed into a hot cup of coffee, followed by a teaspoon of…

Q: What do you mean by the thermal agitation of molecules?

A: Thermal agitation of molecules can be defined as the ceaseless random motion of molecules or…

Q: Supposed you had a mixture of iron pellets, pebbles, and small wood spheres, all of which were about…

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Q: Why do bubbles form inside the bottle of carbonated soda (ex. Sprite) when adequately submerged in a…

A: Why do bubbles form inside the bottle of carbonated soda (ex. Sprite) when adequately submerged in a…

Q: Why do we say a substance in a liquid phase is more disordered than the same substance in the solid…

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Q: What effect does an increase in temperature have upon the density of a substance?

A: Density of the substance changes with the temperature because the volume changes with the…

Q: If Sara was planning a wedding and wanted to have a sculpture of a heart made of butter at the…

A: Answer Sara wants to have a sculpture made up of butter. If the sculpture is to be kept solid, sara…

Q: When a chalk piece is immersed in water, bubbles are emitted, why?

A: A piece of chalk has extremely narrow capillaries. As it is immersed in water, water rises due to…

Q: Three liquids are at temperatures of 11°C, 19°C, and 31°C, respectively. Equal masses of the first…

A: Given: The temperatures of the three liquids are T1=11°C, T2=19°C, and T3=31°C, The mass of all…

Q: An ideal gas has its pressure doubled and its specific volume decreased by two-thirds. If the…

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Q: Is the stickiness of oranges in our hands can be easily washed with tap water?

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Q: ich heat is required to bring 1 liter (1 kg) of water to a boil from 20 degrees Celsius? How ich…

A: Given  Volume = 1L =10-3 m3  density of water = 103 kg/m3  Mass m = volume × density = 10-3 ×103 =1…

Q: Three liquids are at temperatures of 11°C, 19°C, and 31°C, respectively. Equal masses of the first…

A: There is no phase change between the three liquids and this is an isolated system. So, when two…

Q: State whether water at the following temperatures will expand or contract when warmed a little: 0°C;…

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Q: Calculate the difference in the temperature of water at the top and at the bottom of the waterfall…

A: Given that the height of the water fall is 100m.

Q: A thin sheet of metal has a hole cut out of its center.      If the metal is then cooled, the…

A: Given:- A thin sheet of metal has a hole cut out of its center.Now the sheet is cooled.

Q: How does the arrangement of atoms in a crystalline substance differ from that in non crystalline…

A: The Crystalline substance has some particular arrangement of atoms and molecules that imparts a…

Q: Ice is packed in saw dust, Why?

A: Saw dust is a very bad conductor of heat. So, if ice is kept in saw dust, ice will not melt easily.

Q: why doesn't the temperature of a beaker of water change during melting or boiling?

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Q: A technique that separates mixtures on the basis of theirdistribution between a stationary liquid…

A: Answer Chromatography is a laboratory technique for the separation of a mixture. The mixture is…