AP Chemistryeasymcq1 pt
A calorimetry problem gives q_surroundings = −2450 J. What is q_system?
A.+2450 J
B.−2450 J
C.0 J
D.−4900 J
Explanation
Core Concept
In an insulated calorimeter, q_system = −q_surroundings, so the reaction absorbed 2450 J. Energy lost by one is gained by the other.
Correct Answer
A+2450 J
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