Cálculos e Números

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Special Topic II 121 6. a In = a-x 100 In = 5.30 X 100- 70 t = In 3.33 5.30 X = 1.20 5.30 X t = 2260 seconds t = 37.6 minutes 7. 1st order 2nd order 1 1 k₁ = t = a x t a 1 1 0.100 = 1.000 0.100 30 1.000 k₁ = - In 30 1.000 1.000 = 30 = 3.51 X 10⁻³ = 3.70 X 10⁻³ 0.195 1 In 1.000 = 1.000 = 0.195 60 60 = 3.62 X 10⁻³ = 4.03 X 10⁻³ 0.277 1 1.000 = In 90 1.000 = 0.277 90 = 3.60 X 10⁻³ = 4.26 X 10⁻³ 0.373 1 In - 1.000 k₁ = 1.000 = 0.373 130 130 = 3.59 X 10⁻³ = 4.57 X 10⁻³