What is the unit of specific heat capacity and what does it represent?

The unit of specific heat capacity is joules per kilogram per degree Celsius (J/kg°C). It represents the amount of energy required to raise the temperature of one kilogram of a substance by one degree Celsius.

Particle lens: Describe arrangement, motion, spacing, collisions, or energy changes only when they are relevant here. This question asks: What is the unit of specific heat capacity and what does it represent. The correct response is The unit of specific heat capacity is joules per kilogram per degree Celsius (J/kg°C). It represents the amount of energy required to raise the temperature of one kilogram of a substance by one degree Celsius., because density links mass and volume, so the answer must preserve which quantity is being calculated. In Temperature changes in a system and specific heat capacity, the marking point should connect directly to identify change in thermal energy in joules, mass in kilograms, specific heat capacity in joules per kilogram per degree Celsius and temperature change in degrees Celsius. If the question includes values, the working must keep the appropriate unit and operation; if it is an explanation, it must name the relevant particle behaviour or energy change. This item belongs to Internal energy and energy transfers, so avoid answers that switch to a different quantity, confuse heat with temperature, or describe gas pressure without collisions when collisions are the reason. Checkpoint 288 is distinct because it uses this exact question context and the particle lens rather than a generic particle-model sentence.