TS EAMCET Medical 9 May 2019 Shift 1 Paper
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Question : 131 of 160
Marks:
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Consider the following thermochemical reactions.
H 2 ( g ) +
C l 2 ( g ) → H C l ( g ) - 92.3 kJ
B C l 3 ( g ) + 3 H 2 O ( l ) → H 3 B O 3 ( s ) + 3 H C l ( g ) + 112.5 kJ
B 2 H 6 ( g ) + 6 H 2 O ( l ) → 2 H 3 B O 3 ( s ) + 6 H 2 ( g ) + 493.5 kJ
using the above reactions, find the
approximateΔ r H ° for the following reaction in kJ
B 2 H 6 ( g ) + 6 C l 2 ( g ) → 2 B C l 3 ( g ) + 6 H C l ( g )
using the above reactions, find the
approximate
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