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    Chemistry
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    General Chemistry The Essential Concepts
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    Exam 6: Energy Relationships in Chemical Reactions
  5. Question
    For the Reaction C(graphite)+ O<sub>2</sub>(g)\(\rarr\) CO<sub>2</sub>(g)\(\Delta\) H° = -393 KJ/mol How Many Grams of C(graphite)must Be
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For the Reaction C(graphite)+ O2(g) →\rarr→ CO2(g) Δ\DeltaΔ H° = -393 KJ/mol
How Many Grams of C(graphite)must Be

Question 45

Question 45

Multiple Choice

For the reaction C(graphite) + O2(g) →\rarr→ CO2(g) Δ\DeltaΔ H° = -393 kJ/mol
How many grams of C(graphite) must be burned to release 275 kJ of heat?


A) 22.3 g
B) 0.70 g
C) 12.0 g
D) 17.1 g
E) 8.40 g

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