braxtongonzalez braxtongonzalez 29-05-2019 Chemistry contestada How many joules of heat are needed to raise the temperature of 20g of aluminum from 54^\circ ∘ C to 82^\circ ∘ C, if the specific heat of aluminum is 0.540 J/gC A. 302.4 J B. 29 J C. 1037 J D. 0.76 J
