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  • 1 answers

Akriti Singh Rathore 4 years, 7 months ago

The van der Waals constant 'a' represents the magnitude of intermolecular forces of attraction and the Van der Waals constant 'b' represents the effective size of the molecules.
  • 1 answers

Divyansh Rai 4 years, 7 months ago

Along the period ionisation enthalpy increases while down the group decrease Along the period election affinity increases while down the group decrease
  • 3 answers

Vishist Bollu 4 years, 7 months ago

288(v1) * 301 (t2) / 288 (t1) = 301 (v2)

Royal Thakur ? 4 years, 7 months ago

Thank you ?

Ranger King 4 years, 7 months ago

Charles formula =v1/t1=v2/t2 T=15+273=288k V=288ml T=28+273=301k V1t2/t1=v2 288×288/301= 275.56
  • 2 answers

Royal Thakur ? 4 years, 7 months ago

Thanks a lot ?

Ranger King 4 years, 7 months ago

Pv=nrt T=pv/nr T=2.46×10/1×0.0821 =29.96
  • 1 answers

Pankaj Ponia 4 years, 7 months ago

H-o-h/h+
  • 1 answers

Aryan Singh 4 years, 7 months ago

Oxygen doesn't burn it is an oxidizer
  • 1 answers

Ranger King 4 years, 7 months ago

Mass of 1 electron = 9.1×10power - - 31 1gm=1/9.1×10power - - 31=1.09×10power30
  • 1 answers

Bhawna Dahiya 4 years, 7 months ago

CH4N2O
  • 4 answers

Pankaj Ponia 4 years, 7 months ago

Si unit of mass is kilogram it can be written in short form as (kg).

Bhawna Dahiya 4 years, 7 months ago

Mass has dimension less and according to SI system of units mass has unit Kilograms (Kg).

Ranger King 4 years, 7 months ago

S I unit of mass is kg

Amisha Sharma 4 years, 7 months ago

Kg
  • 1 answers

Sia ? 4 years, 4 months ago

The photoelectric effect is the emission of electrons when electromagnetic radiation, such as light, hits a material. ... The experimental results instead show that electrons are dislodged only when the light exceeds a certain frequency—regardless of the light's intensity or duration of exposure.
  • 2 answers

Om P̤A̤T̤E̤L̤ 4 years, 7 months ago

The elements that can easily lose electrons to form positive ions are called electropositive elements, for example: metals. ... The elements that can easily accept electrons to form negative ions are called electronegative elements, for example: non-metals.

Swastik . P 4 years, 7 months ago

Electronegative atom pulls electron towards it and Electropositive atom is opposite of electronegative
  • 2 answers

Anuj Kumar 4 years, 7 months ago

<cml><MDocument><MChemicalStruct><molecule molID="m1"><atomArray><atom id="a1" elementType="C" x2="-5.3125" y2="1.4322916666666667"/><atom id="a2" elementType="C" x2="-3.9788208781719643" y2="2.2022916666666665"/><atom id="a3" elementType="C" x2="-2.645141756343929" y2="1.4322916666666665"/><atom id="a4" elementType="C" x2="-1.311462634515<cml><MDocument><MChemicalStruct><molecule molID="m1"><atomArray><atom id="a1" elementType="C" x2="-5.3125" y2="1.4322916666666667"/><atom id="a2" elementType="C" x2="-3.9788208781719643" y2="2.2022916666666665"/><atom id="a3" elementType="C" x2="-2.645141756343929" y2="1.4322916666666665"/><atom id="a4" elementType="C" x2="-1.3114626345158946" y2="2.2022916666666665"/><atom id="a5" elementType="C" x2="0.022216487312141098" y2="1.4322916666666665"/><atom id="a6" elementType="C" x2="1.3558956091401768" y2="2.2022916666666665"/><atom id="a7" elementType="C" x2="-2.645141756343929" y2="-0.10770833333333352"/><atom id="a8" elementType="C" x2="-1.1504888010837082" y2="3.7338553855338077"/><atom id="a9" elementType="O" x2="-3.208820878171964" y2="3.5359707884947023" lonePair="2"/><atom id="a10" elementType="O" x2="-0.13875734612004503" y2="-0.09927205220047464" lonePair="2"/><atom id="a11" elementType="N" x2="2.895895609140177" y2="2.2022916666666665" lonePair="1"/><atom id="a12" elementType="C" x2="3.9263567429328186" y2="1.0578486354314793"/><atom id="a13" elementType="C" x2="3.371781780477596" y2="3.666918701761203"/><atom id="a14" elementType="C" x2="3.092652500649646" y2="-1.1867091514227464"/><atom id="a15" elementType="C" x2="3.997841789180055" y2="-2.4325953227601653"/></atomArray><bondArray><bond atomRefs2="a1 a2" order="1" id="b1"/><bond atomRefs2="a2 a3" order="1" id="b2"/><bond atomRefs2="a3 a4" order="1" id="b3"/><bond atomRefs2="a4 a5" order="1" id="b4"/><bond atomRefs2="a5 a6" order="1" id="b5"/><bond atomRefs2="a3 a7" order="1" id="b6"/><bond atomRefs2="a4 a8" order="1" id="b7"/><bond atomRefs2="a2 a9" order="1" id="b8"/><bond atomRefs2="a5 a10" order="1" id="b9"/><bond atomRefs2="a6 a11" order="1" id="b10"/><bond atomRefs2="a11 a12" order="1" id="b11"/><bond atomRefs2="a11 a13" order="1" id="b12"/><bond atomRefs2="a14 a15" order="1" id="b13"/></bondArray></molecule></MChemicalStruct><MElectronContainer occupation="0 0" radical="0" id="o1"><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o2"><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o3"><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o4"><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o5"><MElectron atomRefs="m1.a11" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a11" difLoc="0.0 0.0 0.0"/></MElectronContainer></MDocument></cml>8946" y2="2.2022916666666665"/><atom id="a5" elementType="C" x2="0.022216487312141098" y2="1.4322916666666665"/><atom id="a6" elementType="C" x2="1.3558956091401768" y2="2.2022916666666665"/><atom id="a7" elementType="C" x2="-2.645141756343929" y2="-0.10770833333333352"/><atom id="a8" elementType="C" x2="-1.1504888010837082" y2="3.7338553855338077"/><atom id="a9" elementType="O" x2="-3.208820878171964" y2="3.5359707884947023" lonePair="2"/><atom id="a10" elementType="O" x2="-0.13875734612004503" y2="-0.09927205220047464" lonePair="2"/><atom id="a11" elementType="N" x2="2.895895609140177" y2="2.2022916666666665" lonePair="1"/><atom id="a12" elementType="C" x2="3.9263567429328186" y2="1.0578486354314793"/><atom id="a13" elementType="C" x2="3.371781780477596" y2="3.666918701761203"/><atom id="a14" elementType="C" x2="3.092652500649646" y2="-1.1867091514227464"/><atom id="a15" elementType="C" x2="3.997841789180055" y2="-2.4325953227601653"/></atomArray><bondArray><bond atomRefs2="a1 a2" order="1" id="b1"/><bond atomRefs2="a2 a3" order="1" id="b2"/><bond atomRefs2="a3 a4" order="1" id="b3"/><bond atomRefs2="a4 a5" order="1" id="b4"/><bond atomRefs2="a5 a6" order="1" id="b5"/><bond atomRefs2="a3 a7" order="1" id="b6"/><bond atomRefs2="a4 a8" order="1" id="b7"/><bond atomRefs2="a2 a9" order="1" id="b8"/><bond atomRefs2="a5 a10" order="1" id="b9"/><bond atomRefs2="a6 a11" order="1" id="b10"/><bond atomRefs2="a11 a12" order="1" id="b11"/><bond atomRefs2="a11 a13" order="1" id="b12"/><bond atomRefs2="a14 a15" order="1" id="b13"/></bondArray></molecule></MChemicalStruct><MElectronContainer occupation="0 0" radical="0" id="o1"><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o2"><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a9" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o3"><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o4"><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a10" difLoc="0.0 0.0 0.0"/></MElectronContainer><MElectronContainer occupation="0 0" radical="0" id="o5"><MElectron atomRefs="m1.a11" difLoc="0.0 0.0 0.0"/><MElectron atomRefs="m1.a11" difLoc="0.0 0.0 0.0"/></MElectronContainer></MDocument></cml>

Royal Thakur ? 4 years, 7 months ago

#Anubhav misra get out from here... Kyunki Ye app Tum jaise logo ke liye nhi h.....jha se Ye likhna sikhe Ho vha se Thodi respect Krna bhi sekh lete to Accha rehta.....dusro ke maa ke nhi to km se km apne maa ke respect kro Aur unke sanskaro ke bhi..... Same on you and also on people like you ??...Discusting you are ???
  • 1 answers

Mayukh Karmakar 4 years, 7 months ago

1. Chp. 12 -Organic chemistry. 2. Chp.13 -Hydrocarbons.
  • 3 answers

Pankaj Ponia 4 years, 7 months ago

Ch 2 delete

First Name 4 years, 7 months ago

<a href="http://cbseacademic.nic.in/web_material/CurriculumMain21/revisedsyllabi/Deduction/DELETEDChemistry_2020-21.pdf">Tap here</a> to get them

Royal Thakur ? 4 years, 7 months ago

I think Chapters delete nhi huye hai ...topics delete huye h...
  • 0 answers
  • 4 answers

Ankur Yadav 4 years, 6 months ago

Matter consists of individual particals namely atom which cannot devided further. and atoms of a particular element are identical

Ranger King 4 years, 8 months ago

Postulate of atomic theory - matter consist of indivisible and indescrible particle -atom of same elements are identical to each other.

Ranger King 4 years, 8 months ago

Is called dalton partial pressure

Ranger King 4 years, 8 months ago

In a mixture of gases the pressure applied by pressure is the sum of pressure of individual gases
  • 1 answers

Ranger King 4 years, 8 months ago

n=?v=500ml=0.5 L,760 mm of Hg=1 atm.  Now apply the gas equation, n=RTPV​ n=0.0821×3001×0.5​ ⟹n=2.03×10−2mol
  • 2 answers

Pankaj Ponia 4 years, 7 months ago

Ya

Tec Om 4 years, 8 months ago

i will try but please tell me on which topic
  • 2 answers

Pankaj Ponia 4 years, 7 months ago

Yes as well as in bio also

First Name 4 years, 8 months ago

Thermodynamics in physics and chemistry has a little difference which you must know. Else you will be in troublw
  • 3 answers

Ranger King 4 years, 8 months ago

Extensive properties, such as mass and volume, depend on the amount of matter being measured

Vishal Saigal 4 years, 8 months ago

It is too short . I don't understand.

Aadya Singh 4 years, 8 months ago

which depends upon amount of matter...
  • 0 answers
  • 1 answers

Sia ? 4 years, 3 months ago

Quicklime is an important compound. It is prepared by thermal decomposition of limestone in tall furnaces called kiln. During such an operation the top of the Chimney of the kiln was closed. This time also there was no improvement in the production of lime.

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