Answer:
26.8 %
Explanation:
TH = 100°C = 100 + 273 = 373 K
Tc = 0°C = 273 K
The efficiency of the heat engine is given by
[tex]\eta = 1-\frac{T_{c}}{T_{H}}[/tex]
[tex]\eta = 1-\frac{273}{373}[/tex]
η = 0.268
η = 26.8 %
Thus, the efficiency of the heat engine is 26.8 %.
