states of matter, Chemistry

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why are some liquids purified by distillation under reduced pressure

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A3p orbital has, A3p  orbital has: (1) Two spherical nodes (2) Two ...

A3p  orbital has: (1) Two spherical nodes (2) Two non-spherical nodes (3) One spherical and one non-spherical nodes   (4)One spherical and two non-spherical nodes A

Statements is not true for ionic compoundss, Which of the following stateme...

Which of the following statements is not true for ionic compoundss: (1) High melting point (2) Least lattice energy (3)Least solubility in organic compounds (4) Solubl

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Q. General Characteristics of the f-block? You know that the 14 elements from cerium (Z = 58) to lutetium (Z = 71), which follow lanthanum (Z = 57) in the periodic table, are k

What are total variables and degrees of freedom of a system, What are total...

What are total variables and degrees of freedom of a system of two components, when the number of phases is one, two, three etc.?  Ans:  For two - component systems, degree of

Gibbs free energy and spontaneity, Q. Describe Gibbs Free Energy and Sponta...

Q. Describe Gibbs Free Energy and Spontaneity? Ans. This is the end of the quest to find spontaneity.  Free Energy, or Gibbs Free Energy is a quantity which balances the r

Isolation of important transition metals, Q. Show the Isolation of Importan...

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Structure of aldehydes and ketones, Structure of Aldehydes and Ketones ...

Structure of Aldehydes and Ketones Carbonyl carbon atom is connected to three atoms by sigma bonds. As these bonds use Sp 2 -orbitals, they found in the same plane and are 120°

Determine spherical symmetry, A filled or half-filled set of p or d  -orbit...

A filled or half-filled set of p or d  -orbitals is spherically symmetric. Point out the species which has spherical symmetry: (1) Na                    (2) C

Help please!, Methane (CH4), or natural gas, is commonly used all over the ...

Methane (CH4), or natural gas, is commonly used all over the world as a source of energy and fuel. Many homes in the United States combust methane to generate heat for hot water he

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