Heat is a form of energy that can naturally move from a high temperature object to the lower temperature when in contact . Heat can also move from a low temperature to a higher temperature when the engine is assisted by means of cooling . So that you may better understand the heat .
From some of the above conclusions can be drawn a statement that the
amount of heat required to raise the temperature as follows :
The amount of heat ( Q ) required by an object is proportional to the mass of the object( m ) , depending on the specific heat ( c ) , and is proportional to the temperature rise ( Δt ) . Mathematically it can be written :
Q = m x c x Δt
information
Q = heat required or released ( J )
m = mass of object ( kg )
c = specific heat of objects ( J/kg0C )
Δt = temperature rise ( 0C )
Δ = delta
According to the SI unit of heat is joule ( J ) . There is a unit of heat commonly used in everyday life , such as kilocalories , calories . One can be defined many calories of heat are required every 1 gram of water , so that the temperature rise of 10C . While a defined number of kilocalories of heat required to raise 1 kg of water , so that the temperature rise of 10C . There is equality between the unit joule calorie Dangan unit commonly known as heat between mechanical .
1 calorie = 4.2 joules1 kilocalorie = 4,200 joules1 joule = 0.24 calories
Specific
heat of a substance is the amount of heat that is required by 1 kg of a
substance so that the temperature rise of 10C . Mathematically the specific heat of a substance can be written :
c = Q / mxΔt
While the heat capacity is the amount of heat that is required by an object so that the temperature rise of 10C . Mathematically, the heat capacity can be written :
C = m x c
because :
Q = m x c x Δt then ,Q = C x Δt
information
Q = heat required or released ( J )
C = heat capacity of objects ( J/0C )
Δt = temperature rise ( 0C )
Δ = delta
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