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  1. ... Gas Law: [(755.5 mmHg) (52.0 mL)] / 292 K = [(760.0 mmHg) (x)] / 273 K x = 48.3 mL I'll use...

    2 Answers · Science & Mathematics · 24/11/2020

  2. ...25/4)) dx f = (1/20)x⁵ – (2/3)x³ + 4x² – (25/4)x + K   use f(1) = 4 to get K 4 = (1/20)1⁵ – (2/3)1³ + 4•...

    2 Answers · Science & Mathematics · 23/11/2020

  3. The U.S. anti-gun lobby IGNORES the Black on Black Genocide in Liberal controlled cities by illegal gun "owning" drug dealing murderers!

    2 Answers · Politics & Government · 23/11/2020

  4. ... + 0.7632ĵ + 14.1087k) / 5.46 vcm = 1.7737...î + 0.1397...ĵ + 2.5840... k rounding the the three s.d. of the question numerals vcm ≈ 1....

    1 Answers · Science & Mathematics · 23/11/2020

  5. ...empty Diet Coke bottles, cheeseburger wrappers & K .F.C. buckets.  He hopes to keep them...

    8 Answers · Politics & Government · 23/11/2020

  6. For first order reaction, the half-life is independent of the initial concentration. Half-life, t½ = ln(2)/ k = ln(2)/(0.538 s⁻¹) = 1.29 s

    1 Answers · Science & Mathematics · 23/11/2020

  7. Method 1: ln(A/Aₒ) = -kt ln(45%) = -(0.527 s⁻¹)t Time taken, t = -ln(0.45)/0.527 s = 1.52 s ==== Method 2: Let n be the number of half-lives taken. 45% = (1/2)ⁿ ln(0.45) = ln(0.5)ⁿ n ln(0.5) = ln(0.45) n = ln(0.45...

    1 Answers · Science & Mathematics · 23/11/2020

  8. The slope is the negative of the rate constant, k . So ? = - k

    1 Answers · Science & Mathematics · 22/11/2020

  9. Slope = delta y / delta x Slope = -1.484 - (-0.742) / (10-5) = -0.148 hr^-1 k = -slope = 0.148 hr^-1

    1 Answers · Science & Mathematics · 22/11/2020

  10. You don't need chromatography in this case if the syrup that's being carried is full of cocaine there's a simple field test kit where they will just squirt a little bit of the solution on it if it turns blue then it's got cocaine in it

    1 Answers · Science & Mathematics · 23/11/2020

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