A chemical system produces 155 kJ of heat and does 22 kJ of work. What is ΔE for the surroundings?
a) 177 kJ
b) –177 kJ
c) 133 kJ
d) –133 kJ
To determine:
Answer to Problem 1SAQ
Solution: (a)
Explanation of Solution
Given info:
The amount of the heat produced = 155kJ.
The amount of the work done = 22kJ.
where q is the heat produced and w is the work done.
Thus,
Hence,
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