Answer:
0.900 Jg^-1℃^-1
Step-by-step explanation:
Given that;
H = mcθ
H = heat added
m = mass of aluminium
c = specific heat of aluminum
θ = increase in temperature
Making c the subject of the formula;
c = H/mθ
c = 207 J/28.4 g * 8.1oC
c = 0.900 Jg^-1℃^-1