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  • 2 answers

Arvind Singh Tomar 7 years, 1 month ago

Cp - Cv = R

Ankit Dhuran 7 years, 1 month ago

Cp -cv = R
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Sahil Chahar 7 years, 1 month ago

Ether &water doesn't mix with each other.Even if u mixed then they quickly separate to each other and ether form a layer
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Saurabh Tiwari 7 years, 1 month ago

In the addition reaction of alkene with HX the -ve part of HX i.e,X- combines with that C where amount of Hydrogen is less...this is only Markovnikov reaction/rule
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Kavishal Chand 7 years, 1 month ago

Define gibbs free energy
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Gaurav Seth 7 years, 1 month ago

Hydrocarbons are the compound that contains carbon and hydrogen atom.
Saturated hydrocarbon: Saturated hydrocarbons are that contain only single bonds between carbon atoms.

General formula CnH2n+2
example methane, ethane etc.


unsaturated hydrocarbons that contain double or even triple bonds between the carbon atoms.
General formula of double bond hydrocarbon
CnH2n
For example ;Ethene, propene etc


General formula of triple bond hydrocarbon
CnH2n-2
Ethyne, propyne etc

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Abc Kumar 7 years, 1 month ago

Same question
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Yash Bhardwaj 7 years, 1 month ago

Due to their abnormal trends
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Junaid Mazumdar 7 years, 1 month ago

In gaseous phase,water molecule has a bent form with a bomd angle of 104.5. the O-H bond length is 95.7pm whereas hydrogen peroxide has a non planar structure both in gas and solid phase the dihedral angle in gas and solid phase is 111.5 and 90.2 respectively
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Talib Gazi 7 years, 1 month ago

Or trans ke liye 1,1 dimethyl mathene

Talib Gazi 7 years, 1 month ago

1,2 dimethyl methane for cis
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Lavanya ❤️? 7 years, 1 month ago

The electronic configuration of Mn2+ is 1s2 2s2 2p6 3s2 3p6 3d5
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Gaurav Seth 7 years, 1 month ago

Rise in temperature,  ΔT  = 299-298 = 1 k

Heat capacity of calorimeter ,  Cv  = 20.7 kJ/mol (given)

so, Heat absorbed by calorimeter  = C× ΔT = 20.1 × 1= 20.1kJ

This is the heat evolved in combustion of 1g graphite

So, heat evolved in the combustion of 1 mole of graphite

i.e. 12 g of graphite  = 20.7 ×  12  = 284.4kJ

Since heat is evolved and vessel is closed

so, enthalpy change of the reaction  = - 284.4kJ/ mol

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Junaid Mazumdar 7 years, 1 month ago

Thanx bro...that means a lot..

Aman Singh 7 years, 1 month ago

b in repulsion used in Volume change a in attraction sense towards Pressure
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Yogita Ingle 7 years, 1 month ago

<nobr aria-hidden="true">C+ 4HNO3 ⟶ CO2 + 2H2O + 4NO2</nobr>

This reaction is a good indicator of the oxidising nature of concentrated nitric acid.

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Yogita Ingle 7 years, 1 month ago

 When barium azide is heated , it will form barium and nitrogen .
 Ba(N3)2    → Ba + 3N2

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