Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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![How much energy (heat) is required to convert 31.3 g of H2O() at 36.2°C to H2O(g) at 108.6°C?
specific heat of ice: 2.09 J/g. C
specific heat of water: 4.184 J/g.°C
AHfus 6.02 kJ/mol
AHvap 40.7 kJ/mol
specific heat of steam: 1.84 J/gC
Answer =
kJ
Question 8
Compound A undergoes a reaction with B to proluce C gas and liquid D. The standard heat of
combustion of compound A is -1,340.2 kJ/mol. Given that AH (B(g)) - -189.2 kJ/molAH"(C(g)] -
418.4 kJ/mol, AH(C(g)]--418.4 kJ/mol, and AH(D) -258.3 kJ/mol, what is the standard
enthalpy of formation of Compound A?
A+3 B(g) --> 2 C(g) +3 D)
Answer
KJ/mol](https://content.bartleby.com/qna-images/question/7a01df17-5186-4cdd-9c1d-202b296a5dab/ffc218df-1ec0-4f49-9f8f-9bc0dec79538/oyx7fcc_processed.jpeg)
Transcribed Image Text:How much energy (heat) is required to convert 31.3 g of H2O() at 36.2°C to H2O(g) at 108.6°C?
specific heat of ice: 2.09 J/g. C
specific heat of water: 4.184 J/g.°C
AHfus 6.02 kJ/mol
AHvap 40.7 kJ/mol
specific heat of steam: 1.84 J/gC
Answer =
kJ
Question 8
Compound A undergoes a reaction with B to proluce C gas and liquid D. The standard heat of
combustion of compound A is -1,340.2 kJ/mol. Given that AH (B(g)) - -189.2 kJ/molAH"(C(g)] -
418.4 kJ/mol, AH(C(g)]--418.4 kJ/mol, and AH(D) -258.3 kJ/mol, what is the standard
enthalpy of formation of Compound A?
A+3 B(g) --> 2 C(g) +3 D)
Answer
KJ/mol
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