If Avogadro number $N_A$ is changed from $6.022 \times 10^{23} \text{ mol}^{-1}$ to $6.022 \times 10^{20} \text{ mol}^{-1}$,this would change:
- Athe mass of one mole of carbon
- Bthe ratio of chemical species to each other in a balanced equation
- Cthe ratio of elements to each other in a compound
- Dthe definition of mass in units of grams
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If the coordinate axes are the bisectors of the angles between the pair of lines $ax^2 + 2hxy + by^2 = 0$ where $h^2 > ab$ and $a \neq b$,then
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The plates of a parallel plate capacitor are charged up to $100 \, V$. $A$ $2 \, mm$ thick plate is inserted between the plates. To maintain the same potential difference,the distance between the capacitor plates is increased by $1.6 \, mm$. The dielectric constant of the plate is:
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In a pseudo first order hydrolysis of ester in water,the following results were obtained.
$t/s$ $0$ $30$ $60$ $90$ $Ester/mol\, L^{-1}$ $0.55$ $0.31$ $0.17$ $0.085$
What will be the average rate of reaction between the time interval $30$ to $60$ seconds?
| $t/s$ | $0$ | $30$ | $60$ | $90$ |
|---|---|---|---|---|
| $Ester/mol\, L^{-1}$ | $0.55$ | $0.31$ | $0.17$ | $0.085$ |
What will be the average rate of reaction between the time interval $30$ to $60$ seconds?
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