1
KCET 2020
MCQ (Single Correct Answer)
+1
-0

When the same quantity of heat is absorbed by a system at two different temperatures $$T_1$$ and $$T_2$$, such that $$T_1>T_2$$, change in entropies are $$\Delta S_1$$ and $$\Delta S_2$$ respectively. Then

A
$$\Delta S_1<\Delta S_2$$
B
$$\Delta S_1=\Delta S_2$$
C
$$S_1>S_2$$
D
$$\Delta S_2<\Delta S_1$$
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0

The reaction in which $$\Delta H=\Delta U$$ is

A
$$\mathrm{N}_2(g)+\mathrm{O}_2(g) \rightarrow 2 \mathrm{NO}(g)$$
B
$$\mathrm{CaCO}_3(\mathrm{s}) \rightarrow \mathrm{CaO}(\mathrm{s})+\mathrm{CO}_2(\mathrm{g})$$
C
$$\mathrm{N}_2(g)+3 \mathrm{H}_2(g) \rightarrow 2 \mathrm{NH}_3(g)$$
D
$$\mathrm{CH}_4(g)+2 \mathrm{O}_2(g) \rightarrow \mathrm{CO}_2(g)+2 \mathrm{H}_2 \mathrm{O}(l)$$
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