What is calorimeter and its uses?
A calorimeter is a device used to measure the amount of heat involved in a chemical or physical process. For example, when an exothermic reaction occurs in solution in a calorimeter, the heat produced by the reaction is absorbed by the solution, which increases its temperature.
Why is heat capacity of calorimeter called water equivalent?
Determination of Water Equivalent of Calorimeter In a reaction the quantity of heat that raises the temperature of some substance by some amount, the same quantity of heat can simultaneously raise the same temperature of a certain mass of water. The mass of water is then termed as water equivalent.
What does water equivalent means?
Definition of water equivalent : the product of the mass of a body by its specific heat equal numerically to the mass of water that is equivalent in thermal capacity to the body in question.
What is water calorimeter?
Definition of water calorimeter : a calorimeter that functions by determining the change in temperature of a known mass of water or other liquid.
What is meant by water equivalent of calorimeter Mcq?
Water Equivalent: The mass of water in gram which requires the same amount of heat to raise its temperature by same amount is called water equivalent of that material.
What is the principle of calorimeter?
Calorimeter Principle The body at higher temperature releases heat while the body at lower temperature absorbs heat. The principle of calorimetry indicates the law of conservation energy, i.e. the total heat lost by the hot body is equal to the total heat gained by the cold body.
Where is calorimetry used?
Calorimetry is widely used in chemical reaction and the measuring method of biochemical reactions. The main advantage of calorimetry is that it needn’t sophisticated equipment, and it can measure tiny energy changes.
Why is water used in a calorimeter?
Water has a high specific heat, which means it is difficult to increase the temperature of water. However, water also has the capacity to retain heat, which allows the other substance inside the calorimeter to absorb that heat.
What is water equivalent of a substance?
The amount of water required to consume the same amount of heat as a substance consumes for one degree rise in the temperature is called water equivalent of a substance. It is also equivalent to the product of the mass of the substance and its specific heat.
What is the unit of water equivalent of calorimeter?
kilogram
SI unit of water equivalent of calorimeter is kilogram i.e. Kg.
What does water equivalent mean?