Răspunsuri

  • Utilizator Brainly
2014-03-29T12:51:10+02:00
- la temperatura t₀ vom avea m=ρ₀·V₀; la t₁, t₁>t₀ avem m=ρ₁·V
ρ₁=ρ₀-20/100*ρ₀=80/100*ρ₀;
ρ₀·V₀=ρ₁·V₁ ⇒ ρ₀·V₀=((80/100)*ρ₀)*V₁ ⇒ V₁=100/80*V₀=1,25V₀;
V₁-V₀=1,25V₀-V₀=0,25V₀=25%V₀
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