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Q: How do energy changes accompany Phase Changes?

A: Matter exists in three phases: solid, liquid, and gas. A phase is a form of matter that is uniform…

Q: Describe the Physical and Chemical Changes and Properties of Energy?

A: The physical as well as the chemical changes are to be described along with the properties of…

Q: What is Recrystallization? Explain briefly how purification happens in crystallization

A: The definition of the re-crystallization is to be mentioned. The methods for purification with the…

Q: Do the terms element and atom mean the same thing? If not, how do they differ

A: Element and atom are different things. Atoms are the smallest particles of the matter which contain…

Q: An alkane with 6 carbon atoms will ?have how many hydrogen atoms

A: We need to find the number of hydrogen atoms present in an alkane having 6 carbon atoms .The options…

Q: Ternary Diagram) Mark the following features on triangular coordinates: (i) the point (0.2, 0.2,…

A: Mark the following features on triangular coordinates: (i) the point (0.2, 0.2, 0.6), (ii) the point…

Q: How can a molecule with polar covalent bonds not be polar? Give an example.

A: A covalent bond in which the bonding electrons are shared equally between the two atoms are non…

Q: What are the changes in the number of moles of the components during a chemical reaction when they…

A: The changes that take place in the number of moles of the involved components in the chemical…

Q: What is the secondary dew point? Is there also a secondary bubble point?

A: The temperature at a constant pressure below which a component in a mixture in its vapor state…

Q: Define if AROMATIC, ANTI AROMATIC, OR NON AROMATIC

A: According to the Huckel’s rule of aromaticity, if a cyclic conjugated compound is planar and has…

Q: write the chemical formula for the Com Pounds. lead coffer Zinc Cadmium cyanides acid Alkalies…

A: Given Information: The chemical formula for the given compounds Lead, Copper, Zinc, Cadmium,…

Q: Formed when the electron being shared come only from one of the elements. O coordinate covalent bond…

A: The answer is "Coordinate Covalent bond". Because only one element is sharing the pair of electron…

Q: Compare Thermogenic, Biogenic & Abiogenic formation of natural gas

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Q: Why is it easier to produce an amorphous material in polymers and in some ceramics than in metals? O…

A: there are no planes of atoms in an amorphous material, the atoms are gridlocked into the glassy…

Q: 2. Draw the variation of the Cs/Co ratio with solid fraction (fs) by taking k values as 1.05, 2, 3,…

A: In the context of materials, solid fraction is the ratio of the volume occupied by solid particles…

Q: Define and describe the applications of the chemical potential of a substance.

A: The definition and explanation of the applications of the chemical potential of a substance is to be…

Q: A block of carbon is broken down into small pieces. Each piece of carbon is a different kind of atom…

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Q: why do ionic compounds have roman numerals?

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Q: Explain how molecular weight of a polymer can be determined by dilute viscosity measurements? Give…

A: Viscosity is a property of fluid by which measures a fluid's resistance to flow. It also describes…

Q: What is the unique features of hydrometallurgy

A: 1) Metallurgy is associated with the properties of metals, its production, and its purification.…

Q: List three methods by which the octane number of gasoline can be improved. State one advantage and…

A: Asked To list three methods by which the octane number of gasoline can be improved and their one…

Q: If you are planning to study chemical engineering, investigate what is meant by each of the…

A: Chemical engineering play a vital role in the engineering field. The main work of Chemical engineers…

Q: What is the eutectic composition and why is it important?

A: The phenomenon of eutectic is related to the formation of hydrogen bonds between compounds. The word…

Q: Pick a statement which incorrectly describes steel ? A. It contains carbon atoms in the holes of its…

A: Steel is an alloy of iron with typically a few tenths of a percent of carbon to improve its strength…

Q: What is a residue-curve map?

A: The concept of Residue curves is particularly useful in two situations, firstly, for the azeotropes…

Q: Explain what is Saturated Liquid–Vapor Mixture.

A: In phase equilibrium, at every pressure there is a region in which both liquid and vapour exists in…

Q: Wood is a renewable source of energy. Select one: True False

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Q: Write the hybridization scheme of each molecules and sketch the orbital overlapping structure. a)…

A: Hybridization is the process in which atomic orbitals fuse to form newly hybridized orbitals, which…

Q: How do you arrange the elements according to decreasing electron affinity?

A: The arrangements of elements as per the decreasing electron affinity is to be mentioned.

Q: CHz CHJ H3.C CH CH3 CH3

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Q: Residue curves involve nodes. What is the difference between a stable and an unstable node?

A: The difference between the stable and unstable node is to be mentioned for the residual curve.