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Ask QuestionPosted by Anandha Raj.K 6 years, 4 months ago
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Posted by Honey Sharma 6 years, 4 months ago
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Sia ? 6 years, 4 months ago
We know that, Pressure at the surface of earth = 76 cm = 76 {tex}\times{/tex} 13.6 cm Hg
= 1033.6 cm of Hg
= 10.3 m of Hg
Now, Presssure at 100 m depth = 100 m + 10.3 m = 110.3 m of Hg
So, {tex}p_1 = 10.3,p_2 = 110.3,V_1 = V, V_2=?{/tex}
At constant temperature,
{tex}p_{1} V_{1}(\text { at surface }) = p_2 V_2 (\text{at 100 m depth}){/tex}
{tex}\Rightarrow 10.3\times V= 110.3\times V_2{/tex}
{tex}\Rightarrow V_{2}=0.093 \mathrm{V}\\ \Rightarrow V_{2}=9.3 \% \text { of } V{/tex}
Posted by Chandra Prakash 6 years, 4 months ago
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Sia ? 6 years, 4 months ago
Van der Waals equation:
The value of parameters a and b depend upon the characteristics of a gas. Here, a is the measure of the magnitude of intermolecular forces of attraction and b is the measure of the effective volume of the gas molecules.
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Harsh Mishra 6 years, 4 months ago
Wahi toh hum Bhee poonch rahe hain, kya poonchna hai Aapko...????
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The mass of electron is about {tex}\frac{1}{{1840}}{/tex} of the mass of hydrogen. The absolute mass of an electron is {tex}9 \times {10^{ - 28}}{/tex} gram. The absolute charge on an electron is coulomb of negative charge which is smallest, carried by any particle. Thus, it is taken as unit of negative charge.
Posted by Priyan Tiwari 6 years, 4 months ago
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Sia ? 6 years, 4 months ago
Molal elevation constant is defined as increase in boiling point of the solvent, when one mole of solute is dissolved in 1000g of solvent. The elevation is proportional to the number of particles dissolved and given by {tex}\style{font-family:'Times New Roman'}\triangle T_b {/tex} = Kb m, where m is the molal concentration of solute. The constant Kb is the ebullioscopic constant of the solvent.
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