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  • 1 answers

Drishty Kamboj 8 years, 3 months ago

It all due to the pressure exerted by the nunber of particles and also bcz decrease in volume leads increase in pressure that's why a balloon fully filled with gaseous particle burst after compression
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Rahul Poddar 8 years, 3 months ago

Sigmpi bond form when bonding orbital or non bonding orbital of two atoms overlap each other rectilinearly or horizontally and in sigma bond electron density is high so it's stronger But in pi bond orbitals overlap each other vertically and in pi bond electron density in low so it's a weaker bond Sigma bond in px px orbital and pi bond In pz pz orbital
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Saurabh Singh 8 years, 3 months ago

When a suitable frequency of light fall on the surface of a metal then the electrons present on the surface gain energy and terms in excited state and ejected from the surface of the metal. This phenomenon is called photo electric effect
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Saurabh Singh 8 years, 3 months ago

According to maxwell all electron magnetic wave/radiation are same
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Amar Kumar 8 years, 3 months ago

Eugen Goldstein discovered positively charged particles, but with no clear idea of why they existed or whether they had a wider role. Rutherford correctly identified them as being individually the nucleus of a hydrogen atom. And existing in all atomic nuclei. So, it is a matter of definitions who discovered the Proton.

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Amar Kumar 8 years, 3 months ago

When a gaseous system is transformed to its liquid state, there is a tremendous decrease in the volume. This decrease in volume can be effectively brought about by lowering of temperature, or by increasing pressure (or) by both. In both these effects the gaseous molecules come closer to each other and experience an increase in force of attraction which results in liquefaction of gases. At any constant temperature when pressure is increased volume is decreased and vice versa. Such P-V curves at constant temperature are known as isotherms.

The importance of critical temperature of a gas was first discovered by Andrews in his experiments on pressure - volume isotherms of carbon dioxide gas at a series of temperature. The isotherm of carbondioxide determined by him at different temperatures

Critical temperature (Tc)  : It is defined as the characteristic temperature of a gas at which increase in pressure brings in liquefaction of gas above which no liquefaction occurs although the pressure may be increased many fold. For instance Tc of CO2 is 31.1 o C. This means that it is not possible to liquefy CO2 by applying pressure when its temperature is above 31.1 o C.

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Anjali Garg 8 years, 3 months ago

Given in book of pradeep of chemistry of chapter 4 on page no 4/13
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Bhawani Tanwar 8 years, 3 months ago

The distance between the nucleus of the bonded atoms.

Himanshu Gupta 8 years, 3 months ago

The distance between two the nuclei of 2 combining atom is called bond length
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Suhail S 5 years, 8 months ago

1
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Fgh
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Gunjan Kela 8 years, 3 months ago

Ye kya hota hai bhai

Rishita Gupta 8 years, 3 months ago

Kya?
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Rishita Gupta 8 years, 3 months ago

Adding hydrogen in unsaturated carbon to make it saturated it is know as hydrogenation
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Gunjan Kela 8 years, 3 months ago

Shalilendra Draw lewis dot str. of N2O3 THEN U WILL GET ANS.
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Arnav Singh 8 years, 3 months ago

Carbon monoxide

Amar Kumar 8 years, 3 months ago

CO is the molecular formula for carbon monoxide. Carbon monoxide is a toxic gas, and continuous exposure to high concentrations of carbon monoxide can be fatal to both humans and animals.

Carbon monoxide is often referred to as a senseless killer because it cannot be easily detected by human senses. The toxic gas is odorless, colorless and tasteless. When carbon monoxide is inhaled, it overpowers oxygen's ability to bind to hemoglobin molecules in red blood cells. This bond prevents the body and brain from receiving much-needed oxygen.

The most common symptoms of carbon monoxide poisoning include nausea, dizziness and headaches.

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M B 8 years, 3 months ago

For example hydrogen

Deepanshu Paliwal 8 years, 3 months ago

The atoms of same elements which have same atomic number but different mass number are called isotopes .
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Ruheen Ansari 8 years, 3 months ago

The electron pair surrounding the central atom repel each other and move so far apart from one another that there are no further repulsion between them.As a result the molecule has minimum energy and maximum stability.
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Amar Kumar 8 years, 3 months ago

An object that absorbs all radiation falling on it, at all wavelengths, is called a black body. When a black body is at a uniform temperature, its emission has a characteristic frequency distribution that depends on the temperature. Its emission is called black-body radiation.

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