Ionic bond,

Equivalent weight, how to find equivalent weight of a molicule

how to find equivalent weight of a molicule

First ionization potential and nuclear charge problem, The first ionization...

The first ionization potentials for Na, K, and Rb are 5.138, 4.341, and 4.166 eV, respectively. Assume that the energy level of the outer electron can be represented by a hydrogenl

Why we use boron, Q. Why we use Boron? Boron is used to increase the ha...

Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con

Filter, Filter A plant pot with a plug of cotton wool in the bottom and...

Filter A plant pot with a plug of cotton wool in the bottom and a layer of sand little inches deep makes a satisfactory filter for more purposes

Valence shell electron pair repulsion, (i) Use valence shell electron pair ...

(i) Use valence shell electron pair repulsion theory (VSEPR) to predict the shape of the molecule comprising oxygen, nitrogen and fluorine atoms, which has the formula ONF, and whe

Show the effect of pressure on chemical equilibrium, Q. Show the Effect of ...

Q. Show the Effect of pressure on chemical equilibrium? Ans. In gases, the pressure is proportional to the number of moles of molecules. Reactions accompanied by a change

IR spectroscopy, why methane does not absorb IR radiation?

why methane does not absorb IR radiation?

Mixture of he, A mol 4:1 mixture of He and CH4 is contained in vessel at 20...

A mol 4:1 mixture of He and CH4 is contained in vessel at 20 bar pressure.Due to a hole in the vessel the gas mixture leaks out.the composition of the mixture,effusing out initiall

Transition metals, what is the advantages of preparing interstitial compoun...

what is the advantages of preparing interstitial compounds