Question

How many joules of heat energy would be needed to raise the temperature of 149.5 grams of water from 25.0° C to 45.0° C? The specific heat capacity of liquid water is 4.18 J/ (°C × g).

31.2 J

713 J

12500 J

15600

Answer 1

@garyraybrown123

Answer 2

heat is defined by: \(\sf \color{red}{q=mC \Delta T}\)
where
m = mass
C = specific heat capacity
\(\Delta\)T = change in temperature. \(\sf T_{final} - T_{initial}\)