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Ankur Yadav 4 years, 7 months ago

?final velocity=initial velocity+acceleration*time.................1 ?displacement=initial velocity*time+1/2acceleration*(time)..,...............,...2 ?(final velocity)square=(initial velocity)square+2acceleration*displacement................,3 here initial velocity(u) , final velocity(v),acceleration(a),time(t),displacement(x)

ANSWER

What is enthalpy or heat content

Posted by Ainik Pal 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Prachi Singh 4 years, 7 months ago

Enthalpy is a property of a thermodynamic system, defined as the sum of the system's internal energy and the product of its pressure and volume.

ANSWER

Can anyone give me Characteristics of VSEPR theory in simple words 6 to 7 points

Posted by Farhaan Alam 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Model related to hydrogen chapter

Posted by Princy Gautam 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Impotant chapters of chemistry

Posted by Samayara Singh 4 years, 7 months ago

CBSE > Class 11 > Chemistry

5 answers

Prachi Singh 4 years, 7 months ago

Every chapter are compulsory

Unknown Clashers 4 years, 7 months ago

Every chapter is Important but you can read redox, organic chemistry, hydrocarbon, unit 5 , 4 , 7and 2

Ranger King 4 years, 7 months ago

Because this chapter related to class12

Ranger King 4 years, 7 months ago

Goc (organic chemistry), redox and thermodynamics

Anishka Shiara 4 years, 7 months ago

all chapters are very very important

ANSWER

what is water

Posted by Vivek Bhatt 4 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Prachi Singh 4 years, 7 months ago

Molecular formula of water H2o.

Priya ? Raj 4 years, 7 months ago

H2O

Tec Om 4 years, 7 months ago

water is a solvent which can be found in three state solid ,liquid and gaseous state its molecular formula is H₂o in which hydrogen and oxygen are found in 1:8 composition its molecular mass is 18 grams

ANSWER

If some moles of o2 diffuse in 18sec and same moles of other gases diffuse in 45sec then what is the molecular weight of the unknown gas?

Posted by Isha Tiwari 4 years, 4 months ago

CBSE > Class 11 > Chemistry

1 answers

Sia ? 4 years, 4 months ago

ANSWER

What is heavy water? Write its uses

Posted by Rituraj Saikia 4 years, 7 months ago

CBSE > Class 11 > Chemistry

5 answers

Ankur Yadav 4 years, 6 months ago

Water that doesn't form lather with soap solution. It is mainly used in industries

Vikash Kumar 4 years, 6 months ago

Depend on water wait

Shivam P 4 years, 6 months ago

Heavy water is D2O and it is mainly mainly used in industries

Princy Gautam 4 years, 7 months ago

Water in which hydrogen molecules are partly or wholly replaced by the deuterium. It is used in nucleus reactors

Khushi Tikania 4 years, 7 months ago

Its is d20 water and mainly uses in industries

ANSWER

Calculate the morality of a solution of ethanol in water in which the Mole fraction of ethanol is 0.040

Posted by Abhishek Gurjar 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Khushi Tikania 4 years, 7 months ago

8.7

ANSWER

Kolbe's electrolytic method

Posted by Komal Bhardwaj 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Kalpana Kalpana 4 years, 7 months ago

Kolbe's electrolysis method uses sodium salt of fatty acid to form the corresponding alkane as a product.

ANSWER

Boyles law

Posted by Yallappa Gudagi 4 years, 7 months ago

CBSE > Class 11 > Chemistry

4 answers

Ankur Yadav 4 years, 6 months ago

at a constant temperature the pressure of a given mass of a gas is inversely proportional to its volume P(pressure)=K(constant)/V(volume)

Alok Yadav 4 years, 6 months ago

V is inversely proposn to temperature

Tec Om 4 years, 7 months ago

at constant volume the pressure is inversely proportional to the temperature

Ranger King 4 years, 7 months ago

No. Of moles(n) and temperature (t) is constant in pv=nrt

ANSWER

Explain : wurtz reaction is carried out in dry ether

Posted by Anusree A B 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Dev Gupta 4 years, 6 months ago

Alkyl halide react with Na in presence of dry ether to give alkane. CH3-Cl + 2Na + Cl-CH3==Ch3- Ch3 +2Nacl

ANSWER

What is (n+l) rule

Posted by Charan R 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Deepak Raj 4 years, 7 months ago

In cases where (n+l) is the same for two orbitals (eg, 2p and 3s) the (n+l) rule says that the orbital with lower n has lower energy. In other words, the size of the orbital has a larger effect on orbital energy than the number of planar nodes.

4Thank You

ANSWER

calculate the volume occupied by 0.5moles of co2 at -25°c and 760mm pressure

Posted by Bhavana Ramnath 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Stability due to hyperconjugation

Posted by Divya Prakash 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Draw Lewis dot structure of H2S2O7 and H2O2

Posted by Ansh Rai 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

write the Difference between sigma bond and Pi bond

Posted by Karan Dewangan 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Prachi Singh 4 years, 7 months ago

Sigma bonds are a result of the head-to-head overlapping of atomic orbitals whereas pi bonds are formed by the lateral overlap of two atomic orbital.

ANSWER

Aromatic compound , non aromatic, antiaromatic ???????

Posted by ᵐꜞᔆᔆ᭄ Qᴜᴇᴇɴ✿࿐꧂ : ꨄ︎•, 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

Can we change gas into solid state ?

Posted by Bhat Huruu 4 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Jetmal Singh 4 years, 7 months ago

Yes, with disublimation

Priyanshi Dwivedi 4 years, 7 months ago

Yes of course with the help of deposition or desublimation process.

ANSWER

What is the correct order for strength of basic hydroxide LiOH>NaOH>KOH>RbOH>CsOH Or CsOH>RbOH>KOH>NaOH>LiOH

Posted by Isha Dubey 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

3,3-Dimethylpentane open structure

Posted by Tanushree Namdeo 4 years, 7 months ago

CBSE > Class 11 > Chemistry

0 answers

ANSWER

What is grignard's reagents and it's use

Posted by Aryan Singh 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Rahul Kaushik 4 years, 7 months ago

Grignard reagents are used synthetically to form new carbon–carbon bonds. A Grignard reagent has a very polar carbon–magnesium bond in which the carbon atom has a partial negative charge and the metal a partial positive charge.

ANSWER

Physical and chemical properties of acids and bases

Posted by Tina Kaushik 4 years, 7 months ago

CBSE > Class 11 > Chemistry

2 answers

Ankur Yadav 4 years, 6 months ago

According to Arrhenius,acids dissociate H+ ions in water and bases dissociateOH- ion in water.

Avaneesh Kumar Verma 4 years, 7 months ago

Ohh god ???

ANSWER

Dual nature of matter and light

Posted by Krishana Kumar 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Saloni Saloni Pandey 4 years, 7 months ago

Element

4Thank You

ANSWER

What are the representative elements

Posted by Aswin Nayak 4 years, 7 months ago

CBSE > Class 11 > Chemistry

4 answers

Ankur Yadav 4 years, 6 months ago

The s-block andp-block elements are called representative elements.

Priyanshi Dwivedi 4 years, 7 months ago

The Representative Elementsare those elements within the first two families (Groups I and II on the far left) and the last six families or groups (on the right) of the Periodic Table. TheTransition Metals are the elements in those Groups within the middle of the Table.

Ranger King 4 years, 7 months ago

Elements in which all the inner shells are complete but outer shell is incomplete is known as representative elements i.e Those elements which have less than 8

Subhash Kumar 4 years, 7 months ago

Ineed answer

ANSWER

Convert methane to ethane

Posted by Nirupam Upadhyaya 4 years, 7 months ago

CBSE > Class 11 > Chemistry

3 answers

Ranger King 4 years, 7 months ago

Add1 carbon also in methane so it 2 hydrogen is coming so...

Aryan Singh 4 years, 7 months ago

Methane is treated with chlorine gas to form chloro methane. Chloro methane is treated with sodium and dry ether to form ethane

Suraj Nishad 4 years, 7 months ago

Just put m before ethane?

ANSWER

Hybridisation of B in BCl3 ?

Posted by Ankur Jaiswal 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Aryan Singh 4 years, 7 months ago

Hybridisation of B is SP2

ANSWER

What is dynamic equilibrium ? ?

Posted by Jinu ??? 4 years, 7 months ago

CBSE > Class 11 > Chemistry

1 answers

Rahul Kaushik 4 years, 7 months ago

A dynamic equilibrium exists once a reversible reaction occurs. Substances transition between the reactants and products at equal rates, meaning there is no net change. Reactants and products are formed at such a rate that the concentration of neither changes.