Atom, chemistry, Chemistry

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Determine the density of salt, A tank contains 50 gal of a solution of NaCl...

A tank contains 50 gal of a solution of NaCl in water (20% wt). To wash the tank, we supply fresh water at 10 gal/min and drain the tank at the constant rate of 10 gal/min. Determi

The ground state term symbol for an electronic state, The ground state term...

The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle  (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle

Maximum number of unpaired electron in d orbitals, The maximum number of u...

The maximum number of unpaired electron can be present in  d orbitals are: (1) 1        (2) 3         (3) 5       (4) 7 Ans: 5

Define the elements of a galvanic cell, Define the Elements of a galvanic c...

Define the Elements of a galvanic cell? We will treat a galvanic cell as a system. The cell has two metal wires called terminals that pass through the system boundary. Within t

The frequency of radiation emitted when the electron falls, The frequency o...

The frequency of radiation emitted when the electron falls from n= 4   to n=1   in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-

Illustrate oxidation states of f-block, Q. Illustrate Oxidation States of f...

Q. Illustrate Oxidation States of f-block? The addition of the first three ionisation energies of the lanthanides is comparatively low, so the elements are highly electropositi

Stoichiometric polymerisation , Consider 1:1 stoichiometric polymerisation ...

Consider 1:1 stoichiometric polymerisation of 1,4-diaminobutane with sebacoyl chloride. (a) Write down a balanced chemical equation for the polymerization (b) Name the polyme

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