Question

Tolong no 3 donk dengan caranya thxx #UN

Answer 1

Q = 16800 J
m = 0,4 kg
c air = 4200 J/kg°C
t₁ = 20°C
t₂ = ?

Q = m x c x Δt
16800 = 0,4 x 4200 x Δt
16800 = 1680 x Δt
Δt = 10°C

Δt = t₂ - t₁
10 = t₂ - 20
t₂ = 10+20
    = 30°C