A) \[0{}^\circ C\]
B) \[-10{}^\circ C\]
C) \[17.9{}^\circ C\]
D) None
Correct Answer: C
Solution :
Heat gained by ice = Heat lost by water + Heat lost by container |
Initial Temperature of container = \[20{}^\circ \] |
\[4\times \frac{1}{2}\times 10+4\times 80+4\times 1\times (T-0)\] |
\[=196\times 1\times (20-T)\] |
\[20+320+4T=196\times 20-196\,\,T\] |
\[200\,T\,=\,196\,\times \,20\,-\,340\] |
\[T=\frac{3580}{200}=17.9{}^\circ C\] |
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