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Q:
2. Закончить уравнение химической реакции. Что является нуклеофилом в данной реакции? \( \mathrm{H}_{3} \mathrm{C}-\mathrm{O}-\mathrm{Na}+\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{I} \)
Q:
2. Закончить уравнение химической реа данной реакции? \( \mathrm{H}_{3} \mathrm{C}-\mathrm{O}^{-}-\mathrm{Na}+\mathrm{H}_{3} \mathrm{C}-\mathrm{CH}_{2}-\mathrm{I} \longrightarrow \)
Q:
При підвищенні тиску рівновага зміститься в бік утворення продуктів реакції \( \mathrm{H} 2(г)+\mathrm{Br} 2(г) \rightleftarrows 2 \mathrm{HBr}(г) \) \( \mathrm{C} 2 \mathrm{H} 6(г) \rightleftarrows \mathrm{C} 2 \mathrm{H} 4(г)+\mathrm{H} 2(г) \) \( 2 \mathrm{SO} 2(г)+\mathrm{O} 2(г) \rightleftarrows 2 \mathrm{OO} 3(г) \) \( 2 \mathrm{NH} 3(г) \rightleftarrows \mathrm{N} 2(г)+3 \mathrm{H} 2(г) \)
Q:
Domanda 4. Individuare la relazione matematica corretta tra le costanti di equilibrio \( K_{p} \) e \( K_{c} \) per la seguente reazione in equilibrio a una certa temperatura \( T \) : \[ \mathbf{C}_{(\mathbf{s})}+\mathbf{2} \mathbf{H}_{\mathbf{2 ( g )}} \leftrightarrows \mathbf{C H}_{\mathbf{4 ( g )}} \] a. \( K_{p}=K_{c} \)
Q:
\( Br _ { 120 } + H _ { 20 } \rightarrow \)
Q:
What is the correct number of significant figures in the number 0.0025060 ?
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Duna quantità pari a \( 3,8 \mathrm{~mol} \) di un gas perfetto biatomico vene espansa a pressione costante \( p \). Il calore specifico a pressione costante è uguale a \( 2,0 \times 10^{3} \mathrm{~J} /(\mathrm{kg} \cdot \mathrm{K}) \). Calcola la massa di gas che viene espanso. \( [55 \mathrm{~g}] \)
Q:
Which element is diamagnetic? OF F Li Cd Ob
Q:
Choose the ground state electron configuration for \( \mathrm{Ti}^{2+} \). \( [\operatorname{Ar}] 4 s^{2} 3 d^{2} \) \( [\operatorname{Ar}] 3 d^{4} \) \( [\operatorname{Ar}] 4 s^{2} 3 d^{4} \) \( [\operatorname{Ar}] 4 s^{2} \) \( [\operatorname{Ar}] 3 d^{2} \)
Q:
b) Neutralization reaction is: \( \begin{array}{ll}\text { (i) Precipitation reaction } & \text { (ii) Oxidation-Reduction Reaction } \\ \text { (iii) Complex formation reaction } & \text { (iv) Acid-base reaction }\end{array} \)
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