An example of the freezing and melting process
Q: Which of the following compounds will have the highest vapor pressure at room temperature? Select…
A: Vapour Pressure tells us about evaporation rate of a liquid. Highest vapour pressure means lowest…
Q: Water and laundry detergent are mixed together, with detergent molecules dispersing uniformly…
A: The objective of the question is to identify the type of mixture formed when water and laundry…
Q: Which of the following physical processes are exothermicfor water—freezing, boiling, condensing,…
A: Those chemical process which involves absorption of heat are named as endothermic process. However,…
Q: What is the freezing point (in degrees Celcius) of 3.19 kg of water if it contains 198.2 g of CaBr2…
A:
Q: What state of matter is virtually incompressible and retains its own shape and volume?
A: Answer : Liquid A liquid is a nearly incompressible fluid that conforms to the shape of its…
Q: In which of the following pairs of physical changes, are both changes endothermic? a. freezing,…
A: The answer of the above question is given in step 2
Q: As the temperature of a gas is increased, the average kinetic energy of its molecules O a decreases…
A: Average kinetic energy of the gas molecule is directly proportional to the temperature
Q: Which physical state can be described by the following analogy? A beehive is surrounded by honey…
A: The matter in our surroundings is categorized into three main states of matter namely: Solid,…
Q: A homogeneous mixture of two or more substances is called ________ a. a mess. b. a solution. c. an…
A:
Q: Strongest intermolecular force in magnesium
A: Answer - Intermolecular force - An intermolecular force is the force that mediates interaction…
Q: What happens when the external pressure exerted on the liquid water and the vapor pressure of the…
A: When water is boiled in an open vessel, the external pressure is equal to the atmospheric pressure.…
Q: In the picture above, solid iodine is undergoing as it is heated and the iodine vapor is undergoing…
A: What is sublimation?A solid changing to a gas without passing through a liquid phase. Solidification…
Q: Write a balanced chemical equation based on the following description: solid lead(IV) chlorite…
A: We have to predict the Balanced reaction fir decomposition of the lead chlorite.
Q: ur liquids are described in the table below. Use the second column of the table to explain the order…
A:
Q: Write a balanced chemical equation based on the following description: propanol, CH,OH(1) burns in…
A:
Q: Explain why some compounds don’t gain or lose heat when they dissolve (in water). How are they…
A: In this question we have differentiate the compound which doesn't lose or gain energy when dissolve…
Q: After adding salt to melting ice, what change needs to happen for the ice to re-solidify
A: The phenomenon is the lowering of melting point, it is a colligative property.
Q: Fog is an example of a A) liquid dispersed in gas B) solid dispersed in liquid C) liquid dispersed…
A: Colloids A substance is said to be in the colloidal state if it acquires a particle size ranging…
Q: 9. Choose the statement that correctly describes the relationship between altitude and boiling…
A: Boiling point is the temperature at which the vapour pressure of the liquid becomes equal to the…
Q: A student wants to determine the melting point of water as part of an investigation into the…
A: Correct option Yes it is valid , and determining the freezing point is likely to be more accurate.…
Q: Ice floats in water because the molar volume of ice is less than the molar volume of liquid water.…
A: Given statement is "Ice floats in water because the molar volume of ice is less than the molar…
Q: In the following list, only is not an example of a chemical reaction
A: Ans is option is B i.e. rusting of iron.
Q: Sugar is dissolved in a beaker of water at room temperature. Sugar is added until no more sugar will…
A: Solubility is the maximum amount of solute that can dissolve in a solvent at a given temperature. A…
Q: releases energy
A: The physical process by which a substance transforms from one form to another is known as change of…
Q: As a liquid sample is heated without a phase change, which physical property will decrease? a)…
A: We know, volume increases with increasing of temperature due to increase in kinetic energy. And we…
Q: The force that causes the molecules on the surface of the liquid to form a layer (stretched…
A: The molecules present inside the liquid experiences intermolecular forces in all directions and…
Q: Which involves changes in phase? O Cutting an apple O Water is freezing into ice O Baking Cookie O…
A: Phase: A homogeneous and distinct state in which all the physical and chemical properties are the…
Q: What happens to ice when sugar and ice are added, respectively?
A: Here we will apply the colligative properties of solute in a solvent.
Q: Which will have a higher boiling temperature, mixture containing more water or mixture containing…
A: The temperature needed for change of phase from liquid to gases
Q: When a liquid is freezing, a. its temperature decreases constantly b. the kinetic energy of its…
A: Given, Four statement is given related to freezing of a liquid Required,…
Q: Which statement is true about the particles of a solid when the solid changes into a liquid? A.…
A: Matter is anything which occupy space and have mass. Physically their are three states of matter…
Q: What happens to the mass of a marshmallow when you squeeze it? a. Remains constant b.…
A: Marshmallow contains air bubble inside it. Marshmallow mainly contain water,sugar protein and air.
Q: The normal freezing point of n-octane 1C8H182 is -57 °C. (a) Is the freezing of n-octane an…
A: The temperature at which a substance undergoes phase transformation from liquid state to solid state…
Q: give a particulate-level explanation of why ice (solid water) is less dense than liquid water?
A: Density of ice = 0.9168 g/cm3 Density of water = 1.00g/cm3 Density gives the measure of how…
Q: Which state has more Kinetic energy?a) Liquid Water b) Solid water c) Water vapor
A: The kinetic energy is energy possessed by an object due to its virtue of motion.
Q: Water is classified as a(n) a. atom. b. element. c. mineral. d. compound.
A: Is water is atom, element, mineral or compound has to be given.
Q: Paper Clip 1 Paper Clip 2 m Before Paper Clip 1 8P Paper Clip 2 Paper Clip 1 Paper Clip 2 mpy Magnet…
A: B. Magnetism travelled through paper clip 1 to paper clip 2 and made them magnetic.
Q: The physical state in which matter is not hard to compress is: A) solid B) liquid C) gas D) both…
A: There are three main physical states of matter - solid , liquid and gas. (1) Solid state has…
Q: Gasoline is composed of a variety of different liquid hydrocarbons, which do not separate as time…
A: Gasoline is composed of a variety of different liquid hydrocarbons. These hydrocarbon does not…
Q: A volatile liquid is one that ____________ Choose either - melts, freezes, evaporates quickly…
A: Volatility :- The characteristic property of any substance to get vaporize is defined as volatility…
Q: What applications does water potentially have based on its chemical and physical properties?
A: Properties of water:(i) Water is a transparent, colourless, odourless and tasteless liquid.(ii) It…
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