d 10 The processes of melting and evaporation involve changes in the of a substance.

Q: The temperature remains constant as energy is added to a substance. How may the substance be…

A: We have to tell which option is correct

Q: Assume you have a 140 cm3 soil sample. The volume of the soil filled with water is 35 cm3 and the…

A: Porosity is a measure of void spaces in a material. It can be expressed as,…

Q: A substance has a definite shape and definite volume. What is the state of the substance?(a) solid…

A: The substance also called matter having fixed shape and fixed volume?

Q: Which corresponds with the image attached?    A. Liquid B. Crystalline Solid C. Gas D.…

A: In the given diagram, the different Molecules move continuesly and get back to change their initial…

Q: 11. Together, liquids and solids constitute the , phases of matter. A. compressible B. condensed C.…

A: Intermolecular forces refer to the type of interactions which are present in between atoms or…

Q: Whare are interatomic forces

A: Interatomic forces has to be defined.

Q: Tetra Pak are commonly consist of layers of materials as shown in the figure. This classification of…

A: What is another name of tetra pack material is given below.

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: F, E. B. Temp. (°C) 150 135 120 |D 105 06 75 C. 09 45 30 15 Heat (kJ) Created by E. Lee for Virtual…

A: Answer: Given curve represents pattern of the increase in temperature of the crystalline substance…

Q: What is the name of the phase change that occurs when ice left at roomtemperature changes to liquid…

A: Ice is the solid form of H2O. Water is the liquid form of H2O.

Q: How many phases does matter have?

A: A matter can have maximum five phases. Which are given below in step 2

Q: Contrast the arrangement of particles in solids and liquids

A: The three different types of matter are solid, liquid and a gas. The major difference between solid,…

Q: A container of maple syrup is heated from 295 K to 315 K. What happens to the viscosity of the maple…

A: Given: A container of maple syrup is heated from 295 K to 315 K.

Q: The experiment described in Problem 1.81 is a crude butconvenient way to determine the density of…

A:

Q: At which temperature does water have its greatest density?

A:

Q: Why are some substances gases, some liquids, and others solids?

A: Matter : Matter is anything which occupies space and it has mass. A phase is that form of matter…

Q: Explain the process of phase changes in matter.

A: Things around us which has mass and occupy space are called matter. Matter exists in three different…

Q: The boiling point of water at sea level is 100 °C. At higher altitudes, the boiling point of water…

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

Q: Density of solid substance of any shape

A: Density of solid substance of any shape can be determined by only two parameters I) mass of the…

Q: Which of the following has a +AH? Condensation of a gas to a liquid O melting of a solid to a liquid…

A: Those processes, who need energy to get carried out, are called endothermic processes and have…

Q: Use the diagram below to answer the following question. B D 1 atm 0.5 atm A 150 250 350 T,"C-…

A: Phase diagram: The phase diagram represents the different phases of the substance and the pressure…

Q: Does the diagram best describe a crystalline solid, a liquid, or a gas? Explain.

A: Crystalline solid Liquid Has We have to analyze those substances to answer the following question.

Q: There are ___________ degrees Fahrenheit between thefreezing and boiling points of water.

A: The number of degrees (in Fahrenheit) between freezing point of water and boiling point of water.

Q: Melting point can be defined as the temperature when a solid becomes a liquid. The melting point of…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: (a) Does the diagram best describe a crystalline solid, a liquid,or a gas? (b) Explain.

A: Please find below the pic for crystalline solid.

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: Find the boiling point of tungsten in degrees Fahrenheit. (Tungsten, also known as wolfram, has the…

A: Tungsten is a transition metal with atomic number equals to 74. The chemical symbol used to donate…

Q: How do you observe water's solid and liquid density differences on a hot summer and cold winter…

A: Solid water, or ice, is less dense than liquid water.

Q: 8. A liquid is a substance that flows freely but is of constant volume. Which of the following is a…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: Non-fluid is a classification of matter, where its molecules are rigid or fixed and they don't move.…

A: Non-fluid :-  It is a matter, where its molecules are rigid or fixed and they don't move. Find out…

Q: A change in state from gas to liquid

A: Substance physical states  Solid state liquid state gaseous state  Based on nature of compound and…

Q: indicate if the temperature increase or decrease in the following matter changes: from liquid to…

A: 1. from liquid to gas 2. from liquid to solid 3. from gas to liquid 4. from solid to liquid

Q: Aluminum is a useful metal because it can be rolled into thin sheets and bend into different shapes.…

A: All the chemical elements can be broadly divided into metals, metalloids, and nonmetals according to…

Q: .The amount of energy involved in melting a substance without changing its temperature is called the…

A: We know that, A) heat of vaporization: it is the amount of energy require to convert liquid into…

Q: Classification of ethanol according to the type of matter

A: Matter is defined as anything that occupies space and has mass. Matter is classified into…

Q: Define weight of ice ?

A: The actual constituent of the object is the mass. The interaction of the gravitation with the object…

Q: ansition between liquid and gas, line f depicts the transition between solid and liquid

A:

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: At one atmosphere pressure, mercury solidifies at -38.0 oF. Express this temperature in degrees…

A: At one atmosphere temperature, mercury solidifies at -38.0 °F. We have to convert this temperature…

Q: The melting point is the temperature where a solid becomes liquid. The melting point of acetone is…

A:

Q: 4. The density of ice is less than that of water, which is rare for a solid. Discuss some situations…

A: Please find your solution below : The molecules in ice are in a rigid tetrahedral structure which…

Q: A change in an adjective in a specific direction is an increase or decrease across a single cycle or…

A: The above given statement is related to the periodic table which is an easiest way for the…

Q: If the students kept applying energy to the water after it begins to boil, what is most likely to…

A: Water is in liquid state at room temperature means at  25 degree Celsius. State it may be solid…

Q: You have two objects that are made of materials that have the same chemical composition, but…

A: As each and every material is made up of small particles. The internal ordered arrangement of these…

Q: The melting point of H2O(s) is 0 °C. Would you expect the melting point of H2S(s) to be −85 °C, 0…

A: Given: The melting point of water = 0°C To find: The expected melting point of H2S

Q: 09G sample of water at boiling point 100 Celsius is boiled completely how much energy was added to…

A:

Q: Using the picture of the graduated cylinder and its contents, arrange thefollowing in order of…

A: The density of a compound is the ratio of mass to its volume. The unit is gcm3

Q: A new linear temperature scale, degree compound zunzol. The freezing point of zunzol, –-141.5 °C, is…

A: Freezing point and boiling point changes when matter dissolves into a liquid and freezing point…