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

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: When mixing an acid with water, Heat the water and acid to ensure proper mixing. O Always pour equal…

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Q: Consult Table 1 and rank the densities of the following materials from greatest to least: a. Liquid…

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Q: How does melting ice change the temperature of the surrounding air?

A: For the ice to melt, it needs to gain energy from the surrounding.

Q: cool

A: Aluminium has higher specific heat capacity which means you require more heat energy to heat up a…

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: Does an ice skater really water? skates on jce on on ICe Exelain

A: Melting point is depending on pressure,

Q: to heat the lead if it has a specific heat capacity of .129 J/ g°C. Answer: 9-10. A 1000 g cube of…

A: Given: The mass of cube lead is m=1000 g. The initial temperature of cube lead is T1=25°C. The final…

Q: When putting ice in a glass of water, is it the ice that cools the water or the water that warms the…

A: Since heat transfer from higher temperature to lower temperature. Water has more temperature then…

Q: Can you give at least 5 examples of pure substance that undergoes a phase change. (E.g. Water –…

A: A pure substance or chemical substance is a material that has a constant composition (is…

Q: involves no contact and uses only insulators. O friction O gavity O poplarization O-uduction

A: Induction charging is used to charge an object without touching the object to any other charged…

Q: Does a liquid release energy or absorb energy when it changes into a solid?

A: A process by which a liquid changes to solid is called freezing or solidification.

Q: Why does the temperature of boiling water remain the same as long as the heating and boiling…

A: The temperature of the boiling water will not exceed 100°C as long the heating and the boiling…

Q: Why does blowing over hot soup cool the soup?

A: Evaporation causes cooling of liquid as highly energetic molecules get wiped off the surface when…

Q: The formation of ice from water is accompanied by whichof the following: (a) an absorption of heat…

A: Water can exist in solid, liquid, and in gas (vapor).

Q: Why do Eskimos build double walled houses of blocks of ice?

A: The Eskimos build double walled houses in order to keep the interior of their houses warm.

Q: Does 'microscopic slush' in water tend to make it more dense or less dense?

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Q: A liquid which is around vaporization state is called: o Saturated liquid o Compressed liquid o…

A: In this question we have to answer what is the liquid called which is around its vaporization state.…

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

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Q: What is meant by the specific gravity of wood?

A: The material’s specific gravity is given as the ratio of the material's density and the water's…

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: Will 5 litres of kerosene oil weigh more in winter or in summer?

A: AnswerIn winter

Q: Choose the BEST answer to the following: Regelation occurs due to water’s (a) high specific heat.…

A: Regelation is a process in which melting occurs under pressure and once the pressure is reduced, the…

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: When will water boil at a temperature of less than 100°C?

A: Yes, the water can boils at a temperature less than 100 degree Celsius.

Q: Where does the heat added go during melting or boiling point?

A: When heat is supplied to a solid, (eg : ice) it starts melting. But temperature rise only up to a…

Q: If you boil water in a whistling kettle, the kettle whistle when the water reached  its boiling…

A: In this problem it is asking about why does kettle whistle when the water reached its boiling point.

Q: Boiling is a form of evaporation - O True O False

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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: Which is more painful, burn caused by condensing steam or burn caused by boiling water at the same…

A: Given:- Which is more painful, burn caused by condensing steam or burn caused by boiling water at…

Q: 200g of water at 50°C in a 80g glass are added to 10g of ice at 0°C. Solve for the  final…

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Q: How are the speeds of molecules of air affected when the air rapidly expands?

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Q: What substance is found to be liquid under pressured conditions but is gaseous in normal atmospheric…

A: In 1  In the question first they are asking about the substance which is liquid under pressure…

Q: The water equivalent of 5 kg of a substance is 1 kg. Find its specific heat

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Q: Phas change from a solid to a liquid. A.Is it condensation B.Is it melting C.Is it sublimation Or…

A: condensation gas changes into liquids sublimation solid into gas

Q: Name the metal which is liquid at room temperature?

A: In general, all the metals are in solid state at room temperature except mercury.

Q: When water freezes what happens to its molecules?

A: This question is based on thermal properties of matter topic. At high temperature, the molecules of…

Q: What happens to the temperature of boiling water once it's boiling point is reached

A: The temperature of the substance at which the vapor pressure of liquid becomes equivalent to the…

Q: Distinguish between evaporation and boiling?

A: Evaporation is the process of a substances in the liquid state changing to a gaseous sate due to…

Q: Why does all the water in a lake have to be cooled to 4°C before surface water can be cooled below…

A: A lake starts to cool from some temperature above 4 degree Celsius. The surface water on reaching…

Q: What is the effect of increase in pressure on the boiling point of a liquid?

A: When the pressure applied to the liquid surface is increased, the energy needed for the liquid…

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.