Taking into account the definition of calorimetry, the mass of water is 4.4856 grams.
Calorimetry is the measurement and calculation of the amounts of heat exchanged by a body or a system.
Sensible heat is defined as the amount of heat that a body absorbs or releases without any changes in its physical state (phase change).
So, the equation that allows to calculate heat exchanges is:
Q = c× m× ΔT
where:
In this case, you know:
Replacing in the definition to calculate heat exchanges:
1500 J = 4.18 [tex]\frac{J}{gC}[/tex]× m× 80 C
Solving:
1500 J = 334.4 [tex]\frac{J}{g}[/tex]× m
1500 J÷ 334.4 [tex]\frac{J}{g}[/tex]= m
4.4856 g= m
Finally, the mass of water is 4.4856 grams.
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