HEL! Which of these best describes a scientific law? A rule made by a government A rule that does not depend on observable evidence A statement which varies under the same conditions A statement about how things act in the natural world

The sample with the lowest specific heat capacity will have the greatest temperature increase. in this case, it would be platinum.

If the heat engine is a perfect carnot cycle engine, thenefficiency = (t2-t1)/t2   where t1=temperature of cold reservoir ( ° k) = 135            t2=temperature of hot reservoir ( ° k)   = 325thereforeefficiency = (t2-t1)/t2 = (325-135)/325 = 0.5846 = 58%  note: this is the theoretical maximum efficiency of a perfect heat engine.   real-life engines do not achieve this value.