Question #1d203

1 Answer
A08
Apr 27, 2016

#1024.8J#

Explanation:

Heat energy absorbed or given out #Delta Q# is given by the expression

#DeltaQ=mcdot s cdot Delta t#,
where #m# is the mass, #s# specific heat of the substance and #Delta t# is the change in temperature.

Inserting given values and converting to SI system of units

#DeltaQ=(10xx36.6/1000)cdot 140 cdot (45-25)#
#=(0.366)cdot 140 cdot (20)#
#=1024.8J#

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