1.True or False: Solids have a set shape. 2. True or False: Solids have a set volume. 3. True or False: Solids that are the same size must weigh the same. 4. True or False: Liquids do not have a set shape. 5. True or False: Liquids have a set volume. 6. True or False: All liquids freeze at the same temperature. 7. True or False: Liquids must be hot in order to boil. 8. True or False: Gases do not have a set volume. 9. True or False: Gases take the shape of their container. 10.True or False: Gases have no weight. 11.True or False: Air cannot be turned into a liquid

Q: Temperature

A: There are solid, liquid and gaseous states.  Changes in temperature can change the states of matter.

Q: SOLID LIQUID GAS evaporation condensation sublimation deposition freezing

A: A phase change occurs when a matter changes from one state to another. Phase change is accompanied…

Q: 1. What type of holes do the blue spheres occupy in the ionic solid depicted below? Give evidence to…

A: We have to determine voids of given unit cell and Type of closest packing of given unit cell.

Q: When a substance changes from solid to liquid form, the bonds between the particles become stronger.…

A: State change is the physical change .

Q: What would be a Prerequisite Skill or Prior Knowledge that a 5th grade science class should know on…

A: The objective of the question is to identify the prerequisite skills or prior knowledge that a 5th…

Q: The boiling point of three compounds are given below. s are, Compound A Compound B Compound C 43.1…

A: Option D is correct answer. at 25°C compound A has a lower equilibrium vapour pressure than compound…

Q: V. Choose which term among the following refers to each statement in numbers 1 to 4. A. surface…

A:

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 800 700 600…

A:

Q: A hypothetical element, Le, has a body-centered cubic structure with a density of 7.27 g/cm3.…

A: Density = 7.27 g/cm3

Q: You have a solid mixture that contains potassium chloride and lead II sulfate, how would you…

A: Ionic solids are metal salts. They formed when metals form an ionic bond with non-metals. Ionic…

Q: 11. A 3.75 g sample of pyrite (FeS2) contains 1.75 g of iron. What are the percentages of iron and…

A: We know that the general formulas for the percentage of constituent elements in the samples as…

Q: A hypothetical element, Ny, forms a face-centered cubic lattice with an atomic radius of 165 pm.…

A:

Q: A change in color of a hydrate salt after heating indicates removal of water molecules. (True or…

A: The answer for the above parts are given as follows;

Q: Solid water as a pure substance Liquid vapor

A: Water(H2O) exists in three phases as solid(ice), liquid and vapor. A solid has a definite volume and…

Q: Which would you expect to have the highest melting point? 1. diamond (C) 2.iodine (I2) 3. lime…

A:

Q: What is the name of the change of state from liquid to a solid?

A: Liquid to solid phase transfer is named as freezing.

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: Which of the following might be best described by the following set of properties? 1. white solid…

A: Given: The compound is a white solid with a melting point of 772 oC.

Q: Use the observation in the first column to answer the question in the second column. observation…

A: The correct answer is given below

Q: Consider this list of substances: H2O, Na, NaOH, CH4. Match these substances with the properties…

A: To match: the properties of the given substances.

Q: The properties of several unknown solids were measured. Solid Melting point A >1000 °C B 850 °C C…

A: Molecular solids  It is the solid which is held by van der Waals forces. These solids are soft,…

Q: Liquid X is known to have a higher surface tension and higher vapor pressure than Liquid Y. Use…

A: Given:Liquid X has a higher surface tension than Liquid YThe vapor pressure of Liquid X is higher…

Q: Select the best match for each characteristic from the given compounds. Has the lowest melting point…

A: 1- Lowest melting point for C3H6 because this compound have only weak London dispersion forces…

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: Hi, please choose which of the two substances has the property lis

A: 1. Boiling point depends upon mass .           Boiling point  α  molecular mass     2. Soulbility…

Q: 1.Most substances are denser in their solid state. For example, solid Fe will sink in liquid Fe.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Ocean water freezes around -2°C. At what temperature would

A: Given freezing point = -2°C

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 B0- 700 600-…

A: Solution :      The graph of vapor pressure versus temperature shows a direct relationship between…

Q: ridium forms a face-centered cubic lattice, and an iridium atom has a radius of is 1.357 x 10-8 cm.…

A:

Q: Which one of the following is an example of an ionic solid?   sucrose   Cr   CaO   Graphite

A: Ionic compounds are formed by ions. The metal atom loses electrons and forms cations and the…

Q: Ice floats on water because it has a higher density than water due to its honeycomb structure. O…

A:

Q: How do we know we are observing the beginning of the melting point range? First drop of liquid is…

A: Melting point means the temperature when a solid converts into liquid.

Q: 3. Diethyl ether (molar mass 74.12 g/mol) boils at 34.6 °C and water (molar mass 18.02 g/mol) boils…

A: The temperature at which vapour pressure of a liquid is equal to the atmospheric pressure is called…

Q: Draw a graph that shows the changes of state of water as a function of time and temperature (°C).…

A: A question to sketch a graph between time and temperature for change in phase of water.

Q: III. Write the letter of your answer from the choices in the box. H,0 molecules are cohesive; they…

A:

Q: A student synthesizes an impure compound whose melting point is known to be 143 degrees Celsius.…

A: Melting point of a substance is considered at that temperature at which a solid melts.

Q: A hypothetical element, Ny, forms a face-centered cubic lattice with an atomic radius of 159 pm.…

A: Given,  Hypothetical element = Ny  Structure of Ny = Face-centered cubic lattice  Atomic radius of…

Q: Use the observation in the first column to answer the question in the secc observation question At…

A: The enthalpy of vaporization is also known as the heat of evaporation or the heat of vaporization.…

Q: A substance has a low melting point. It does not conduct electricity either when melted or in the…

A: Free electron conduct electricity

Q: Condensation occurs when liquid phase of a substance is converted to its gaseous phase…

A: Condensation is associated with release in thermal energy and so it's an exothermic process.

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: Water (H₂O) is a liquid at room temperature. Yet other molecules (such as H₂S, H₂ Te, and H₂Se) that…

A: Given - Here four molecule are given H20 , H2S AND H2Te, H2Se Give the reason that why only water…