CBSE > Class 11 > Chemistry | CBSE Board | Homework Help

The enthalpy change can be defined as enthalpy or heat of hydration when one mole of anyhydrous or partially hydrated salt combines with required number of moles of water to form a specific hydrate

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Write down the equation for the reaction between propene with hydrogen in presence of Pd?

Posted by Basit Nazir 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Write down the equation for the reaction between propene with hydrogen in presence of Pd

Posted by Basit Nazir 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Solubility and solubility products with their applications.

Posted by Harsh Kumar 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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State the law of multiple proportions

Posted by Aditya Kumar Singh 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Calculate the ph of 0.002M HBr and 0.001 NaOH

Posted by Uzair Siddiqui 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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State henry law

Posted by Uzair Siddiqui 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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What is spontaneity and it's relation with entropy change?

Posted by Harsh Kumar 7 years, 9 months ago

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Applications of Hess law ??

Posted by Harsh Kumar 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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What is the concentration of C¥12H¥22O¥11 in mol L ^-1 is its 20 g are dissolved in enough water to make a final volume up to 2L

Posted by Kunal Singh 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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What is the mass of carbon 12

Posted by Ajay Vishnoi 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Why do use only H+ion in balancing the equation in acidic medium

Posted by Siva Sai Suryanshu Maheswaram 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Why are 2D and 3f orbital possible

Posted by Sunny Saini 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Komal Bhamu 7 years, 9 months ago

Because azimuthal quantum no.can never be greater than principal quantum no.

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Hess law and it's application with an example

Posted by Harsh Kumar 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Tanisha Sahu 7 years, 9 months ago

The change in enthalpy is same whether it occur in one step or in more then one step

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Hydrocarbond

Posted by Nihal Agnihotri 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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The empirical formula and molecular mass of compound are CH2O and 180g/mol respectively. What will be the molecular formula of the compound.?

Posted by Kanishka Kapoor 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Talha Sarfraz 7 years, 9 months ago

That is 12+2+16=30 180/30=6 6×CH2O=C6H12O6

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Nitish Swan 7 years, 9 months ago

Molecular formula= n*Imprerical Formula

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Why francium is not largest atom?

Posted by Deep Pipariya 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Talha Sarfraz 7 years, 9 months ago

Because it is radioactive

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Define hydrogen bond.Write it's applications.

Posted by Harsh Kumar 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Softening of water

Posted by Ajay Taak 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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A gas occupies 22.4L in NTP .Calculate the volume occupies it at 30C and 665 mm pressure

Posted by Arindram Koushick 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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How to compare resonance energy of Molecules?

Posted by Nitish Swan 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Nitish Swan 7 years, 9 months ago

Thanks Komal

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Komal Bhamu 7 years, 9 months ago

To compare the resonace energy you must have to find the difference of energies.between the hybrid structure and the resonating structures

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Explain dipole moment of nh3

Posted by Harsh Kumar 7 years, 9 months ago

CBSE > Class 11 > Chemistry

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Komal Bhamu 7 years, 9 months ago

Dipole moment of NH3 is higher than NF3.. In case of dipole moment of NH3 the electron shifting is towards the more electronegative element nitrogen...and thats why the dipole moment of NH3 is high.

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