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Sara Aijaz 8 years, 2 months ago

Air is heterogeneous bcoz it has elements such as nitrogen ..hydrogen and others present non uniformly in our atmosphere. Hence it is heterogenous
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Dipen Saka 8 years, 2 months ago

Vapour density is directly prportional to molar mass of the given gas. In a thermal dissociation of gas, since the product will have lesser molar mass than that of parent compound then vapour density will be decreased.

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Himanshu Shukla 8 years, 2 months ago

Self linking property of an atom

Kenil Zadafiya 8 years, 2 months ago

It is a property of carbon,which allow to make strong bond
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Anup Shrestha 8 years, 2 months ago

Obstruction offer
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Anup Shrestha 8 years, 2 months ago

Energy can neither be created nor it can be destroyed

Biki Roy 8 years, 2 months ago

The energy of an isolated system remains constant.
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Anup Shrestha 8 years, 2 months ago

No heat exchange during process ?

Nishi Maurya 8 years, 2 months ago

Process in which neither heat enters the system nor leaves the system.In such a condition the system is thermally insulated from the surroundings.
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Anamika Rajput 8 years, 2 months ago

Friction is the force which cause the motion between two surface to be reduced.
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Shubham Kumar Maurya 8 years, 2 months ago

Nsjxhdnlxfbfn
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Sia ? 4 years, 6 months ago

Reversible process Irreversible process
(1) It is a slow process which goes through various smaller stages which maintains equilibrium between the system and the surroundings. (1) It is a comparatively fast process. Here, no equilibrium is maintained between the system and the surroundings.
(2) Reversible processes can take place either in forward direction or in backward direction. (2) Irreversible processes can take place only in one direction.
(3) Reversible process proceeds in smaller steps because the driving force is small. (3) Irreversible process proceeds in larger steps in comparison with reversible process because there is definite driving force required for the progress of the process.
(4) Work done in a reversible process is greater than the work done in an irreversible process. (4) Work done in an irreversible process is always lower than the work done in an irreversible process.
(5)  A reversible process can be brought back to the initial state without making any change in the surroundings. (5) An irreversible process cannot be brought back to its initial state without making a change in the surroundings.
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Jyoti Suntha 8 years, 2 months ago

About which equation u r asking there are too many equation
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Jyoti Suntha 8 years, 2 months ago

Intermolecular forces are high

Vandana Amol 8 years, 2 months ago

Solid is that state of matter in which the molecules are held together by strong force of attraction.
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Rahul Poddar 8 years, 2 months ago

Isotope of hydrogen in this mass number is 3 (2 neutron 1 proton)

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