For each of the pairs of chemicals, would have the higher and provide an explanation predict melting point for your prediction which one ⇒ CaO and SO

Q: A liquid will expand to take the shape of its container. O True O False

A: There are three states of matter; Solid, Liquid and Gas. Solid. Liquids are having definite volume…

Q: . State the best words to complete these sentences: Liquids have a sphere-like or rounded shape…

A: Liquids have a sphere-like or rounded shape due to a property called Surface Tension.

Q: when water molecules are attached to one another the arrangement is what?

A: A water molecule consists of one oxygen and 2 hydrogen atoms and these hydrogen atoms are linked by…

Q: Which of the following is not a property of a metallic solid? O malleable soluble in water O…

A: Metallic solids are solids composed of metal items that are held together by metallic bonds.

Q: The melting point of ammonia is -107 °  C.  Would you expect the melting point of PH3 to be -207°…

A:

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: Which of the following has a higher melting point: NH4NO3 or H2O? Explain your reasoning, including…

A: The forces of attraction existing among the molecules of a substance which can be gaseous, liquid…

Q: Describe the structure of Ionic Solids?

A: Ionic solids are composed of cations and anions which are held together by electrostatic force of…

Q: List three (3) properties of metallic solid that difference from ionic solid.

A:

Q: Which of the following describes the compound PCI? Choose all answers that apply. The compound would…

A: Answer:Ionic compounds are the ones made of ions and molecular compounds form when non-metal atoms…

Q: Give some examples of Metallic Solids?

A: The properties of solids including their rigidity, electrical conductivity, optical properties,…

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: 1- A crystalline solid is made up of two elements 'A' and 'B'. Atoms of A are present at the corners…

A: We should know the sharing of atom on the corner and the face of the unit cell. We are having 2 kind…

Q: Describe Structures of Ionic Solids?

A: ANSWER IS DISCUSSED BELOW :

Q: Compare bromine (Br₂) and chlorine (Cl₂). One is a gas at room temperature while the other is a…

A: At room temperature, chlorine exists as gas where as bromine exists as liquid.

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: Decide what kind of crystalline solid each element or compound in the table forms, and what kind of…

A: First we  identify the type of crystalline solid, the force holding the solid together.  1.HOCl…

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: IONIC CRYSTALS ARE ALWAYS... (Discuss the microscopic arrangement of the particles in these…

A: Crystals are solids containing an ordered pattern of ions, molecules, or atoms.

Q: Describe the change in energy when water

A: Here, In question it is given to describe the change in energy when water vapour turns into liquid.

Q: Contrast the cause of the attraction in ionic bonds and metallic bonds.

A: Given type of bonds,    Ionic bonds     Metallic bonds

Q: In the Dumas Method for the determination of the molar mass of a vapor, the vapor inside the flask *…

A: The Dumas method of the determination of the molar mass of the unknown compound, the relationship…

Q: Which would you predict to have a higher melting point, HI or KI? Why? ? Please list the actual…

A: KI melting point : 681 degree C HI melting point : -51 degree C Yes, As we can see from the above…

Q: In all solids, the atomic arrangement of molecules is well organized. Select one: True False

A: There are three types of matter  Solid liquid and gases.

Q: What are the theoretical properties of mercury that should exhibit at room temperature? Why is…

A: ANSWER IS :

Q: Comparing boiling point: gallium indium neon strontium most similar to calcium least similar to…

A: Given Gallium (Ga) , Indium (In) , Neon (Ne) and Strontium (Sr). Boiling point of Sr   is most…

Q: Kr is bigger and alightly heavier than cl2.  That's it should have more London forces.  so why is…

A: Electronic configuration of Cl: 17e- : 1s2 2s2 2p6 3s2 3p5 Electronic configuration of Kr: 36e- :…

Q: 102. Explain the observed trend in the boiling points of the compounds listed. Why is H,O atypical?…

A: H2Te H2Se H2S H2O  are the hydrides of Group 16 of the periodic table.

Q: Decide which element probly has a boiling point most and least similar to the boiling point of…

A: Aluminum boiling point = 2470°c Argon boiling point = -- 185.8°c Indium boiling point = 2072°c

Q: How is molecular arrangement related to melting point?

A: How is molecular arrangement related to melting point?

Q: PCI3 atomic metallic solid ionic solid molecular solid atomic nonmetallic solid

A: The objective of the question is to classify the type of solid that PCl3 (Phosphorus trichloride)…

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: How do we find the radius in this quesiton? What are the steps?

A: A capillary tube is a small tube having very small diameter which is usually fitted in between…

Q: Match each term to the correct example. Quartz (silicon dioxide) V [Choose ] Molecular solid lonic…

A: Each terms are matched with the example in the table given below.

Q: :Hydrates are defined as compounds that have had their water molecules removed. compounds with water…

A: Hydrate term is related to water.

Q: What is the arrangement of water molecules when the temperature is set at “Cold”? Use words to…

A: Water(H2O) is a polar molecule in which more electronegative oxygen binds with two hydrogens. The…

Q: Explain what is meant by the 'structure of a liquid'.

A: Liquid is the one of the state of matter. Liquid has fixed volume but no fixed shape.

Q: balanced

A: According to the question, we need to write the chemical reaction equation of solid calcium…

Q: Impurities disrupt the crystalline lattice of a sample so more energy is required to convert the…

A: The purity of a substance plays a crucial role in its physical and chemical properties. Impurities,…

Q: Explain the following terms: 1. Evaporation 2. Condensation 3. Sublimation

A: Evaporation: It is the process in which liquid state of water is changes into the gaseous or to…

Q: Draw partial charges on the water molecule, and draw two more water molecules hydrogen-bonded to it.

A: Iwjak