16 September 2013. The Longest Day Complete Warcraft Achievement Guide. Battle Pet achievement The Longest Day doesn't need to feel like the longest day! With some planning and a good route mapped out, it's possible to zoom through this entire achievement without devoting an entire day to the activity.
Specific Heat. The specific heat is the amount of heat per unit mass required to raise the temperature by one degree Celsius. The relationship between heat and temperature change is usually expressed in the form shown below where c is the specific heat.
Almost all other substances have lower specific heats than water does. Specific heat is defined in terms of one gram of substance and a one degree temperature rise, but of course it is applied to other-sized samples and other temperature changes.