Which involves changes in phase? O Cutting an apple O Water is freezing into ice O Baking Cookie O Rusting of swimming pipe

Q: Sarin is a nerve gas that was previously used as a chemical weapon. Considering the physical…

A: The substance exists as solid or liquid or gas as per the below condition 1) If the temperature is…

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: 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: a) Water rises to a height of 20 mm in a capillary. If the radius of the capillary is made one third…

A:

Q: Which phase of the Moon occurs when the moon is between Earth and the Sun? O New Moon O Waxing…

A:

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: 2.2 Which substance(s) is/are liquid(s) at 400 C? 2.3 Which substance does not have a liquid phase?…

A: (2.1)Elemental hydrogen (H, element 1), nitrogen (N, element 7), oxygen (O, element 8), fluorine (F,…

Q: Name: Class Dare For each property of matter below, write the name of the property ond whether it is…

A: Physical property is the property of a substance which is observed by without changing its…

Q: Give some examples of Metallic Solids?

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

Q: Decide which physical states are indicated in the following statement.  Choose all that apply.…

A: We need to determine which of the given states of matter has weak intermolecular forces

Q: The state of matter that has has neither a definite volume nor shape. O liquid gas solid

A: Answer: --->Gas

Q: In which of the following pairs of state changes is the final state (solid, liquid, gas) the same…

A: Sublimation is a process in which the solid state is directly converted to gas. Condensation is a…

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: X 6. What state of matter is salt? * 0/1 Salt is a liquid because you can pour it Salt is a liquid…

A: Salt consists of cation and anion held by ionic bond Salt is formed when the hydrogen of an acid is…

Q: Q2/ The density of a material increases with the increases in bonding forces between its molecules…

A: Generally the density is the mass of Substance occupied by it's unit volume. Greater is the density…

Q: Which of the following would be described as particles in constant random motion? A. solid B. plasma…

A: Liquid has particles in constant random motion.

Q: What does the line separating the liquid phase from the gas phase represent?

A: The phase diagrams are used to calculate the state of the matter. There are three phases i.e.,…

Q: Copper:(a) Suppose you have a cube of copper metal that is 0.236 cm on a side with a mass of0.1206…

A: a) The number of atoms and fraction of cube filled in the atoms has to be calculated and the reason…

Q: Chemical equations can be used to represent physical changes, too. Collect observations and write a…

A: Dry ice is solid. It sublimates or changes states from a solid to a gas at temperatures of -78…

Q: Given the picture below. Answer the following questions. 1. What determines the state of a material?…

A: Applying basics of matterial which take place formation of matters.

Q: Which phase of matter is the most ordered? O Solid O Gas O Liquid

A: There are three phases of a matter. By varying the temperature and pressure the phase of the matter…

Q: Which of the following describe a solid? Select all that apply. a. Expands to fill container Ob.…

A:

Q: Nickel crystallizes in a face-centered cubic lattice and has a density of 8.90 g/cm³. What is its…

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Q: O triple point O melting point boiling point

A: when the temperature increases then the kinetic energy of the particle increases and when the…

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: 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: Some hypothetical metal has a simple cubic crystal structure. If its atomic weight is 68.73 g/mol…

A: r = 0.153nm In simple cubic, a=2r    a= 2×0.153     =0.306nm Or a= 3.06 × 10-8cm    a3 = 28.65 ×…

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

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: What is the name for a representation of the physical world? A. Alloy B. Compound C. Atom D. Model

A: By definition of alloys, compounds, atom and models of compounds.

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: Solid matter is made up of particles that are moving faster then the particle that make up Liquids.…

A: Solid state is a state of matter in which the inter molecular force of attraction is very strong due…

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: help

A: Moon phases or Lunar phases changes over a period of time in approximately one month. The shape of…

Q: phases of matter (solid, liquid, and gas) is NOT correct? a. All three phases consist of particles…

A: 1) The solid phase consists of vibrational motion of molecules. Liquid and gasious phase consists of…

Q: A sample will require a third heating period if none of these are the criteria used the sample still…

A: In the gravimetry analysis ,we heat the compound and determine the mass of the compound every…

Q: Order the following chemicals from lowest to the highest melting point. • Lead • Carbon dioxide •…

A: Melting point is the temperature at which the solid and liquid of a pure given substance exist in…

Q: Cools Condenses Freezes Boils Warms GAS Melts LIQUID Warms SOLID Warms Heat Energy Cools Temperature…

A: The diagram which represents the thermodynamic conditions of a substance (X) at a different…

Q: Metals, polymers, and ceramics form what "new" class of materials? Pick the correct answer: A)…

A: Metals, polymers, and ceramics form what new class of materials which includes plastics , alloys and…

Q: What phase of the moon is occurring at point e in the diagram? O new moon O last quarter O first…

A: The phase of the moon shown in by point E in diagram is given in step 2

Q: The room temperature phase of lithium is a liquid. O True False

A: Select true/ false: The room temperature phase of lithium is liquid

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

A:

Q: Which state of matter has atomic spacing that is far apart and definite shape? A) liquid B) solid C)…

A: The only state of matter which has definite shape is solid.

Q: The changing of a liquid to a solid Select one: Melting Condensation Freezing Deposition

A: The question is based on the concept of physical process. physical process are generally reversible…

Q: 1. Why is metallic crystalline solid a good conductor of electricity? A. Atoms are packed close…

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

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: (c) Argon d) Fluorine 6. The number of nonmetal atoms in Al2(SO4)3 (a) 2 15 (b) (c) 12 (d) 8 7.…

A: The non-metals present in given compound are Sulphur and Oxygen atoms.

Q: Which element in each period hasthe highest melting point? In eachcase, is the element you named…

A: The highest melting point has been reported in Chromium (Cr), Molybednum (Mo) and Tungsten (W) in…