NicolleWachs260 NicolleWachs260

17-03-2014
Physics

Answered

A liquid with a specific heat of 1,900 J/kg·°C has 4,750 joules of heat energy is added to it. If the

temperature increases from 20°C to 30°C, what is the mass of the liquid?

Verified Answer :

hillout hillout

17-03-2014

Q=mcΔT

Q=heat energy = 4750J
m=mass = ?
c= specific heat capacity = 1900J/(K·kg)
ΔT=change in heat = 30-20=10

\(m= \frac{Q}{c(dT)}\) = 0.025kg=25g

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