Figure shows the temperature variation when heat
is added continuously to a specimen of ice (109) at
-40 C at constant rate.
(Specific heat of ice 0.53 cal/g C and L-80
cal/g. L-540 cal/g)
Temp. (C)
100
O
-401
Q(cal
Q.
Q.
Column
Column-11
(A) Value of Q, (in cal)
(P) 800
(B) Value of Q, (in cal)
(Q 1000
(C) Value of Q, (in cal) (R) 5400
(D) Value of Q, (in cal) (S) 212
900
(1) AS; B->P; CQ;
DT
(2) AP; B-S; CQ;DR
(3) AP; BS; CR; D->
SATA →S; B-P; C-Q; DR
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