Question
Temperature has no effect on molality. Why?
✓
Answer
Molality is related to mass and temperature has no effect on molality.
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| (i) | 14g | 16g |
| (ii) | 14g | 32g |
| (iii) | 28g | 32g |
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→Comment on the thermodynamic stability of $NO ( g )$, given
$\frac{1}{2} N_2(g)+\frac{1}{2} O _2(g) \rightarrow NO ( g ) ; \quad \Delta_r H ^{\ominus}=90 kJ mol ^{-1}$
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$NO ( g )+\frac{1}{2} O _2(g) \rightarrow NO _2(g) ; \quad \Delta_r H ^{\ominus}=-74 kJ mol ^{-1}$
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is aromatic or not?How many significant figures should be present in the answer of the following calculations?
(i) $\frac{0.02856 \times 298.15 \times 0.112}{0.5785}$
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→(i) $\frac{0.02856 \times 298.15 \times 0.112}{0.5785}$
(ii) $5 \times 5.364$
(iii) $0.0125+0.7864+0.0215$