What is formed when gas is enclosed in a chamber then liquified under very high pressure? * What latent heat value signifies the lost of heat during a phase change? What is the unique temperature and pressure at which the three phases of a substance are in equilibrium with each other? * Which liquid crystal is of pharmaceutical significance? *

Q: What is the heat of vaporization for a liquid and why is it useful?

A: The vaporization is the transition process where liquid converted to vapor phase. The heat of…

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 strongest attractive force present in the pure substances below?

A: Please see the attachment.

Q: Why do solids and liquids behave differently

A: Solids and liquid are a different states of matter and the solid and liquid behaves differently…

Q: Explain how heat energy affects a substance. Describe how the particles change as the system is…

A: In this question, we have to find out the correct answer of given problem by the help of the…

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: If you touch the sides of a beaker containing NaOH being dissolved, will it feel warm or cold to…

A: There are two types of reaction involving heat exchange- 1. Exothermic Reactions 2. Endothermic…

Q: An ice cube is placed in a sealed container and heat is applied until the ice completely turns into…

A: As Ice is placed in a sealed container . If heat is applied then that ice cube melted down in that…

Q: 1 5 Name: Grade Level: Date: Chemistry Explain how heat energy affects a substance. Describe how the…

A: Any substance can exist in 3 different phases - solid,liquid and gas.In solid phase atoms are very…

Q: What is the normal freezing point, melting point, and boiling point of the substance

A: Matter generally exists in 3 different forms, namely solid, liquid and gas. The three states…

Q: Why is water a liquid?

A: Three different states of matter are solid, liquid and gas. The major difference between solid,…

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 the balanced equation for the rusting of iron in which iron reacts with oxygen to form…

A: The process of rusting takes place in iron and steel objects. It increases in the presence of…

Q: What is the general relationship between the vapor pressure of a liquid and its temperature?

A: Vapor pressure of a liquid is referred to as the pressure exerted by the molecules of a liquid that…

Q: I. Evaporation of water H,0 (1) (),

A: Hi, since you have posted multiple questions. We will answer the fourth question for you. Kindly…

Q: mass m = 0.056 kg of benzene vapor at its boiling point of 80.1 °C is to be condensed by mixing the…

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Q: Hydrogen chloride gas will react with ammonia gas to produce ammonium chloride. At room temperature,…

A: Acid-Base reaction: In acid-base reaction, acid reacts with base and produces a salt. NH3 - base HCl…

Q: a) Rank the three common states of matter in order from least ordered to most ordered. b) How is…

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Q: one gram of gas to liquid

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Q: Using the image below, what phase change would occur moving from region C to region A? Moving from…

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Q: What are the common uses of ionic liquids?

A: Ionic liquids are the compounds which have organic cation and other anions and the are generally…

Q: Ice cubes from a freezer have a temperature of about -12°C (10°F), which is cold enough, but contact…

A: Det Tf=i ×Kf×m ion ,i for Nacl-->Na+ +Cl- i=2

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

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Q: explain (Formation of steam)

A: In solid state ,molecules of water are strongly packed ,having high forces of attraction and…

Q: A 100.0-mL sample of water is heated to its boiling point. How much heat (in kJ) is required to…

A: Density of water = 1.00 g/mL Volume of water = 100 mL Heat of vaporization of water = 40.7 kJ/mol…

Q: This topic is about endothermic and exothermic process. Why do you think volatile substances, like…

A: In this question, we want to discuss about cooling effect of volatile substances like acetone and…

Q: What does the Lf Stand for in the enthalpy equation? A. Mass B. Enthalpy of vaporization C. Enthalpy…

A: Enthalpy change is the name given to the amount of heat evolved or absorbed in a reaction carried…

Q: What will happen to a substance if there are no intermolecular forces present between particles? A…

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Q: Based on the picture: a. Which object will be heated slower? Why? b. Which will release heat…

A: In the given picture, the given compound are water and soil. a) The object that will be heated…

Q: Which change happens when a substance melts? O The molecules of the substance move farther apart,…

A: The correct option is as follows:

Q: Which of the following compounds has the highest vapor pressure? ОН

A: I would say option - 2nd          would have highest vapour pressure as it has lowest boiling point…

Q: What Are the Properties of Water?

A: The chemical formula of water is H2O. In the structure of water, hydrogen atoms are bonded to oxygen…

Q: - At room temperature, F2 and Cl2 are gases, Br2 is a liquid, and I2 is solid. This is because of…

A: The intermolecular force between the atoms and molecules is known as London dispersion forces.

Q: What are the Property’s of water?

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Q: When iron(III) nitrate dissolves in water, what ion is attracted to the oxygen atom of the water…

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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: Describe an experiment to show how pressure in liquid varies

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Q: What phase occurs when molten aluminum poured into a mold cools to form a solid object?

A: Mixing is relatively easy in the liquid state but slow and difficult in the solid-state. By melting…

Q: Miscible liquids form a homogeneous mixture when added together. Is toluene miscible with water?…

A: The rule is Like dissolve like.

Q: Are the melting temperature and freezing temperature the same for a pure substance? Why is that?

A: Melting point is the temperature at which solid substance start to convert into liquid. Example:…

Q: Capillary action is the process of water moving up plants, against gravity. Two different properties…

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Q: Which phase change involves the absorption of heat?

A: A phase change is occured when a matter changes from one state to another state. The possible states…

Q: What type(s) of compounds can be recrystallized? Liquids Gases Solids Liquids and Solids Liquids,…

A: Crystallization is a process of formation of crystals i.e. separation of solid. Recrystallization is…

Q: Why is liquid water more dense than solid water? In simple terms, so that I can understand. Thank…

A: Liquid water is more dense than solid water i.e ice. Reason:-  Due to intermolecular hydrogen…

Q: You are required to illustrate the different phase changes with sugar and water.

A: Phase changes It is the process in which matter changes its state from one phase to other phase. Eg…

Q: What does it mean when a liquid is flammable?

A: Matter is the substance that occupy space and have mass. States of matter:- Solid Liquid  Gas…

Q: 1. What error occurred by using (a) a single large piece of ice? Or (b) very fine shavings of ice?…

A: A). Using a single piece of ice As rate of heat absorption is directly proportional to the surface…