Question

What is the heat required to raise 1 g of a sample by 1∘C?

Answer 1

Thus the “15° calorie” (also called the gram-calorie, or small calorie) was defined as the amount of heat that will raise the temperature of 1 gram of water from 14.5° to 15.5° C—equal to 4.1855 joules. ... A unit of heat energy used in thermochemistry is the thermochemical calorie, equal to 4.184 joules