When 10.0 g of C5H12 is burned (combustion with excess oxygen gas 453 kJ of energy is released. а. Write the balanced chemical equation for this reaction.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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part c and d 

When 10.0 g of C5H12 is burned
(combustion with excess oxygen gas)
453 kJ ofenergy is released.
а.
Write the balanced chemical
equation for this reaction.
b. Is this reaction exothermic or
endothermic? What is the sign of
ΔΗ?
AH values are normally written in
units of kJ/mol. What is AH for this
reaction in units of kJ/mole C5H12?
(-3270 kJ/mol)
c.
d.
Write the balanced thermochemical
equation for the combustion of
C5H12. Is energy a reactant or
product?
Suppose 4.57 g of C5H12 completely
combusted. How many kJ of energy
would be released? (207 kJ)
е.
Transcribed Image Text:When 10.0 g of C5H12 is burned (combustion with excess oxygen gas) 453 kJ ofenergy is released. а. Write the balanced chemical equation for this reaction. b. Is this reaction exothermic or endothermic? What is the sign of ΔΗ? AH values are normally written in units of kJ/mol. What is AH for this reaction in units of kJ/mole C5H12? (-3270 kJ/mol) c. d. Write the balanced thermochemical equation for the combustion of C5H12. Is energy a reactant or product? Suppose 4.57 g of C5H12 completely combusted. How many kJ of energy would be released? (207 kJ) е.
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