Question
Which element of periodic table are least in size and have maximum size?
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Answer
The smallest element in periodic table is hydrogen and largest atom is caesium.
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The equilibrium constant expression for a gas reaction is,
$\text{K}_{\text{c}}=\frac{[\text{NH}_3]^4[\text{O}_2]^5}{[\text{NO}]^4[\text{H}_2\text{O}]^6}$
Write the balanced chemical equation corresponding to this expression.
→$\text{K}_{\text{c}}=\frac{[\text{NH}_3]^4[\text{O}_2]^5}{[\text{NO}]^4[\text{H}_2\text{O}]^6}$
Write the balanced chemical equation corresponding to this expression.
How many significant figures should be present in the answer of the following calculations?
(i) $\frac{0.02856 \times 298.15 \times 0.112}{0.5785}$
(ii) $5 \times 5.364$
(iii) $0.0125+0.7864+0.0215$
→(i) $\frac{0.02856 \times 298.15 \times 0.112}{0.5785}$
(ii) $5 \times 5.364$
(iii) $0.0125+0.7864+0.0215$
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