A large calorie (Cal) is the amount of heat needed to change the temperature of one __________ of water by one degree Celsius. Is it gram or kilogram?
Kilogram calorie.
The kilogram calorie, large calorie, food calorie, Calorie (capital C) is the amount of energy required to raise the temperature of one kilogram of water by 1 °C.
A large calorie (Cal) is the amount of heat needed to change the temperature of one kilogram of water by one degree Celsius.
To determine this, you could refer to basic knowledge of the metric system, particularly the unit of measurement for mass. In the metric system, the base unit of mass is the kilogram (kg), whereas the gram (g) is a smaller unit of mass.
Since a large calorie refers to the amount of heat needed to change the temperature of water, it makes sense to consider a larger quantity of water, which is commonly measured in kilograms. Therefore, the correct answer is kilogram.