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CBSE Class 12-science Answered

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Asked by vekariyaparth61 | 16 May, 2022, 04:33: PM
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Elevation of boiling point is calculated by
 
increment T subscript b equals space T subscript b space minus space T subscript b to the power of o space space space space space space equals 100.52 minus 100 space space space space space equals 0.52 space C presuperscript o i equals 1 minus alpha over 2 increment T subscript b equals i cross times k subscript b cross times m 0.52 equals open parentheses 1 minus alpha over 2 close parentheses cross times 0.52 cross times 2 alpha space equals 1 percent sign space A s s o c i a t i o n equals 100 percent sign
Answered by Ravi | 23 May, 2022, 04:39: PM

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CBSE 12-science - Chemistry
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Asked by vekariyaparth61 | 16 May, 2022, 04:33: PM
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CBSE 12-science - Chemistry
Molal elevation constant for benzene is 2.5K/m. A solution of some organic substance in benzene boils at 0.126°C higher than benzene. What is the molality of solution?  
Asked by goyalpavitarta | 03 May, 2021, 01:27: PM
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CBSE 12-science - Chemistry
Boiling point of water at 750mm of hg is 99.63°C. how much sucrose is to be added to 500g of water such that it boils at 100°C.​​​​​​​
Asked by goyalpavitarta | 03 May, 2021, 01:25: PM
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CBSE 12-science - Chemistry
2.00g of non-electolyte solute dissolved in 100g of benzene, lowered the freezing point of benzene by 0.30K. find the molar mass of solute.
Asked by goyalpavitarta | 03 May, 2021, 01:20: PM
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CBSE 12-science - Chemistry
3gm
Asked by purvi.naik21 | 17 Aug, 2020, 11:17: PM
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CBSE 12-science - Chemistry
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Asked by sshashu993 | 25 Jul, 2020, 08:02: AM
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CBSE 12-science - Chemistry
Explain B.pt.elevation and F.pt.depression?
Asked by anukritisingh8103.bmps | 15 Jul, 2020, 05:52: PM
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CBSE 12-science - Chemistry
To 500 cm3of water ,3×10^-3 of acetic acid is added .if 23 percent is dissociated  what will be the depression in freezing pt given k1 is 1.86K kg /mol 
Asked by sharmasherryal | 25 May, 2020, 09:54: AM
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CBSE 12-science - Chemistry
two liquids a and b at 120C and 160C which of these liquids has at higher vapour pressure at 90C
Asked by panthpreet0221 | 06 May, 2020, 10:41: AM
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CBSE 12-science - Chemistry
calculate freezing point of a solution when 54g of glucose is dissolved in 250g of water
Asked by anamikadas355 | 14 Feb, 2020, 11:28: AM
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