Calculate the AH rxn for the following reaction using the thermochemical data provided. SiO2(s) + 4HCOg) ) - SiC@a(g) + 2H2O(g) + 2H20(g) 1. AH'f [SIO2(s)]=-910.9 kl/mol; AH'f (SICR4(g)] =-657.0 kl/mol; AH'f [HCe(g)] = -92.3 kl/mol; AH"f [H20 (g)] = -241.8 kl/mol) -139.5 k) -137.4 kj -104.4 kj 104.4 k 139.5 k

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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QUESTION 3
Calculate the AH rxn for the following reaction using the thermochemical data provided.
SiO2(s) + 4HC0(g)SiCe4(g)+ 2H20(g)
AH'f [SIO2(s)] =-910.9 kl/mol;
AH'f [SICR4(g)] = -657.0 kļ/mol;
AH'f [HC(g)] = -92.3 kl/mol;
AH'f [H2O (g)] = -241.8 kj/mol)
-139.5 k)
-137.4 k
-104.4 k
104.4 k
139.5 k
MacBook
Transcribed Image Text:QUESTION 3 Calculate the AH rxn for the following reaction using the thermochemical data provided. SiO2(s) + 4HC0(g)SiCe4(g)+ 2H20(g) AH'f [SIO2(s)] =-910.9 kl/mol; AH'f [SICR4(g)] = -657.0 kļ/mol; AH'f [HC(g)] = -92.3 kl/mol; AH'f [H2O (g)] = -241.8 kj/mol) -139.5 k) -137.4 k -104.4 k 104.4 k 139.5 k MacBook
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