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CBSE Class 11-science Answered

the value of vanderwalls constant b is b=4VN, what does N represent here
Asked by anirbanbag81 | 10 Dec, 2017, 06:26: PM
answered-by-expert Expert Answer
 
          begin mathsize 16px style The space van space der space waals space constant space straight b space is space related space to space the space volume space of space molecules space which space is space equal space to space four space times space the space actual space volume space of space one space mole space of space gas space molecule. Thus comma straight b equals space 4 VN space where comma space straight V equals space volume space of space molecules equals space open parentheses 4 over 3 πr squared close parentheses and space straight N space equals space Avog a dro apostrophe straight s space constant end style
Answered by Ramandeep | 11 Dec, 2017, 04:36: PM

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CBSE 11-science - Chemistry
URGENT! Dear experts, Pls explain the question with proper solution. Thank you.
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Asked by pratikshyadashrkl | 12 Apr, 2020, 06:47: PM
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CBSE 11-science - Chemistry
at 25 degree celsius and 0.993 bar, 135 ml of a gas is collected over water. if the gas weighs 0.16g and the aqueous tension at 25 degree celsius , is 0.0317. calculate the molar mass of the gas.
Asked by Ankit | 16 Mar, 2019, 01:01: PM
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CBSE 11-science - Chemistry
The volume of the gas at 0'C and 700mm pressure is 760 CC.The no.of molecules present in this volume is ?  
Asked by minipkda | 18 Aug, 2018, 08:46: PM
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CBSE 11-science - Chemistry
3rd?
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Asked by smanishkumar2002 | 04 Aug, 2018, 05:36: AM
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CBSE 11-science - Chemistry
What volume is needed to store 0.050 moles of helium gas at 202.6 kPa and 127ºC?
Asked by Topperlearning User | 20 Apr, 2015, 11:17: AM
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CBSE 11-science - Chemistry
A sample of ideal gas occupies a volume of 238 mL at STP. To what temperature must the sample be heated if it is to occupy a volume of 185 mL at 2.25 atm?
Asked by Topperlearning User | 20 Apr, 2015, 11:21: AM
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CBSE 11-science - Chemistry
At what pressure would 0.450 mole of nitrogen gas at 23.0 °C occupy 8.90 L?
Asked by Topperlearning User | 20 Apr, 2015, 11:33: AM
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CBSE 11-science - Chemistry
A 30.0 g gas sample occupies 11.2 L at STP. Find the molecular weight of this gas.
Asked by Topperlearning User | 20 Apr, 2015, 11:32: AM
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CBSE 11-science - Chemistry
5.0g of an ideal gas occupies 9.2 L at STP. What volume would it occupy at 120°C and 92 mm Hg?
Asked by Topperlearning User | 20 Apr, 2015, 01:04: PM
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CBSE 11-science - Chemistry
If 9.006 grams of a gas are enclosed in a 50.00 liter vessel at 273.15 K and 2.000 atmospheres of pressure, what is the molar mass of the gas? What gas is this?
Asked by Topperlearning User | 20 Apr, 2015, 11:38: AM
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