Answer:
0.733 J/g °C
Step-by-step explanation:
Step 1 : Write formule of specific heat
Q = mc Δ T
with Q = heat transfer (J)
with m = mass of the substance
with c = specific heat ⇒ depends on material and phase ( J/g °C)
Δ T = Change in temperature
in this case :
Q = 38.5 J
m = 17.5g
c= has to be determined
Δ T = 3 (°C)
Step 2: Calculating specific heat
⇒ via the formule Q = mc Δ T
38.5 J = 17.5g * c * 3
38.5 = 52.5 *c
c = 38.5 / 52.5
c = 0.733 J/g °C ⇒ 0.733 is reported to three significant digits due to the precision.
The specific heat of this metal is 0.733 J/g °C