Give an example of metal which(i) is a liquid at room temperature(ii) can be easily cut with knife(iii) is best conductor of heat(iv) is poor conductor of heat

Q: 56. This statement is correct regarding the relationship of vapor pressure with boiling point. *

A: Two multiple choice questions are given here.  The first question deals with the relation of boiling…

Q: Why does water have a higher heat of vaporization thandiethyl ether?

A: The reason why water has higher heat of vaporization when compared to diethyl ether.

Q: Define Boiling point?

A: There are mainly three states of matter known as solid, liquid, and gases. The conversion of a solid…

Q: L flask containing in the flask after the stopcock is

A: In flask 1. V1 = 4.2 L P1 = 2.2 atm V2 = 8.4 L P2 = 1.9 atm At the both flasks are at same…

Q: Justify that Glass is an insulating material.

A: Conducting material : The materials which conduct electricity when electricity is passed through it,…

Q: What is super cooled liquid? Give example

A: The process of chilling a liquid below its freezing point without allowing it to become solid is…

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: A substance is viscous, nearly incompressible, and notelastic. Is it most likely to be a solid, a…

A: Viscosity is the property of fluids by virtue of which they resist their flow.  Elasticity is the…

Q: What is the process of the cooling curve of Naphthalene from 90 degrees to 55 degrees? tips (cool to…

A: According to the laws of thermodynamics, the process of freezing/melting or boiling takes place at…

Q: Frost Diagram for Manganese

A: Given Frost diagram of Mn Answer = options no (c) is incorrect

Q: cular weight ases the vapor pressure of a compo molecular forces ecular weight D.Lower meltin…

A: 17) Boiling point of a compound is depends upon intermolecular interactions. Higher the…

Q: (b) Sketch the salient features of diamond structure

A: Structure of diamond: The element present in diamond is carbon

Q: You are given a gray substance that melts at 700 °C; the solidis a conductor of electricity and is…

A: Molecular solids are those in which molecules are major constituent of the solids.They are of either…

Q: A liquid property responsible for its resistance to flow is called what?

A:

Q: The liquid was nonpolar gasoline, would it be able to support a paper clip ?

A: The given concept is explained by concept of surface tension. Surface tension is responsible for the…

Q: Mineral A is discovered to be an ionic compound, while Mineral B is a molecular compound. If the…

A: Minerals are the naturally existing form of metals. In molecular compounds, the molecules are held…

Q: Bunsen burner used to: O Heat solution O Heat liquid material O Heat solid material O All above.

A: Bunsen burner is an instrument that can be used for a single and continuous flame. In this burner, a…

Q: During the glass manufacturing process, the liquid must be cooled relatively quickly to form the…

A:

Q: Which of the following chemicals would have a higher boiling point?

A: Boiling point is the temperature at which boiling point of solution becomes equal to atmospheric…

Q: Synthetic fibers possess the physical property of___________ because they are crystalline.

A: Synthetic fibers possess the physical property of___________ because they are crystalline.

Q: The presence of __________ in motor oils allows them to have temperature-dependent viscosities.

A: Dry lubricante such as graphite, molybdenum disulfide and tungsten disulfide allow them to have…

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

A:

Q: the boiling point c

A:

Q: normal boiling point (in

A:

Q: Refer to the phase diagram above. Boiling occurs along the

A: Topic -- Phase diagram of a given substance and finding the boiling line in the given phase diagram.…

Q: Which of the following has dispersion forces?

A: Dispersion force is defined as a type of force that is acting on molecules and atoms in which the…

Q: List porosity of sand, silt, loam, and clay in order.

A: Porosity is the measure of void space in a material and is the fraction of volume of voids over the…

Q: ?A definition of viscosity is

A: Viscosity is the measure of resistance of the movement of fluids. Fluids include liquids and gases.…

Q: Which is liquid at room temperature? Why?

A: Topic-- Physical properties of the following compounds and state in room temperature.

Q: Why is oil liquid at room temperature, while butter is solid?

A: We have to discuss the reason why the oil liquid at room temperature, while butter is solid. Butter…

Q: (a) Neat diethylzinc, Et2Zn, is a liquid with a melting point of -28°C while EtZnBr, EtLi, and Et2Mg…

A: Diethyl zinc is a highly reactive liquid and is flammable in air or water. It should be handled in…

Q: What is hydrogen bonding?

A: The formation of chemical compounds due to the attraction between the atoms, resulting in the bond…

Q: Isopropanol is a liquid at room temperature. It is dangerous to heat volatile liquids over a Bunsen…

A:

Q: placed in separate containers labeled Sample A and Sample B. Both containers were left open until…

A: Solution: We know homogeneous solution is a mixture of two or more substances. As homogeneous…

Q: Movement of the creates the London dispersion forces.

A: The dispersion or London attraction forces are weak attraction forces. These forces depend on the…

Q: What force(s) is(are) responsible for the higher heat of vaporization of acetone compared to…

A: Heat of vaporization is how much energy is needed to separate the bonds in a molecule.

Q: sation is the phase transition from to

A: Condensation is the reverse process of evaporation.

Q: Substance State

A: State of matter exist in three form: solid , liquid and gas.

Q: If thermal energy is added to a liquid, the following changes occurs.

A: When there is a change in the thermal energy of a system, the state of the system will be altered.…

Q: 9)Who measures melting points?

A: Melting point is defined as the temperature at which solid starts melting. At melting point there is…

Q: e atmospheric laver that is

A: Mesosphere is the coldest layer of the atmosphere .

Q: When heatinga flammable volatile organic liquid, we must use: Select one: a. Bunsen burner or water…

A: Flammable liquid never be heated using open flames. Electric steam bath and water bath are used.

Q: Classify cach substance as an ionic solid, a molecular solid, a metallic solid, or a polymer. lonic…

A: Shovel blade - mettalic solid  Shovel blades are usually made of metal ,  steel and  are very…

Q: If its vapor pressure is too high, a fuel will vaporize too__________ (readily or slowly).

A:

Q: heats of fusion and heats of vaporization?

A: Option A is correct.