Question
How is ethyl amine prepared from methyl iodide?
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Write the reaction and calculate the potential of the half cell,
$Z n _{( a q )}^{2+}(0.2 M ) \mid Zn . (E_{Z n^{2+} / Zn}^0 = -0.76 V)$
→$Z n _{( a q )}^{2+}(0.2 M ) \mid Zn . (E_{Z n^{2+} / Zn}^0 = -0.76 V)$
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A solution of a substance having mass $1.8 \times 10^{-3} kg$ has the osmotic pressure of $0.52 atm$ at $280 K$. Calculate the molar mass of the substance used.
[Volume $=1 dm ^3, R =8.314 JK ^{-1} mol ^{-1}$ ]
→[Volume $=1 dm ^3, R =8.314 JK ^{-1} mol ^{-1}$ ]
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Define the term: Vulcanization
Define the term: Vulcanization