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IUT_11-12
HSC - পদার্থ বিজ্ঞান ২য় পত্র
→
অধ্যায়-০১ঃ তাপগতিবিদ্যা
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All Topics
One gram of water becomes
1671
c
m
3
1671\ cm^3
1671
c
m
3
of steam when boiled at a pressure of
1
atm
1\ \text{atm}
1
atm
. The heat of vaporisation at this pressure is
2256
J
g
−
1
2256\ Jg^{-1}
2256
J
g
−
1
. What is the external work?
A.
169J
B.
128J
C.
445J
D.
137J
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