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  1. ...inversely proportional to the square of the distance. b. F = k *Q*q / d² so to get 64 times the force... by 64, or(ii) divide the separation distance by 8 c . Assuming all the spheres are ...

    1 Answers · Science & Mathematics · 19/09/2020

  2. ... in standard form, //              f(x) = ax²+bx+ c //     its vertex will be at (x,y) = (-b/2a, f(-b/2a... in vertex form, //              y = a(x-h)² + k //     where the vertex is (h, k ) // To convert between...

    4 Answers · Science & Mathematics · 09/09/2020

  3. b) y = -4x² - 32x - 11 so, y = -4(x² + 8x) - 11 i.e. y = -4(x + 4)² - 11 + 64 Hence, y = -4(x + 4)² + 53 The curve will have a maximum points because the coefficient of x² is negative...i.e.  ∩ shaped This occurs when x = -4...

    2 Answers · Science & Mathematics · 09/09/2020

  4. ... is 1 atm, V1 is 1.00 L, T1 is 273 K , P2 is 2.00 atm, V2 is 10.0 L, solve for ...

    2 Answers · Science & Mathematics · 14/08/2020

  5. ... 24.11 liters @ 101 kPa and 293 K     Mg(s) + 2HCl(aq) -> MgCl2(aq... / sec @ 101 kPa  and 20 degrees C ..... rate of appearance of H2 

    1 Answers · Science & Mathematics · 09/08/2020

  6. ΔG° = -RT ln Keq ΔG° = - 8.314 J/molK (329.25K) ln (2.9X10^8) = -5.33X10^4 J/mol = -53.3 kJ/mol

    1 Answers · Science & Mathematics · 07/08/2020

  7. ΔHsys = TΔSsys ΔSsys = ΔHsys/T ΔSsys = -61.5 kJ/mol / 346.15 K = -0.178 kJ/molK = -178 J/molK

    1 Answers · Science & Mathematics · 07/08/2020

  8. ... by b^2 - 4ac. In your case, we have: a = 6 b = -2 c = k Hence the discriminant is (-2)^2 - 4(6)( k ) = 4 - 24k...change due to division by a negative number). Final answer: k < 1/6

    2 Answers · Science & Mathematics · 05/08/2020

  9. ... × (V₂/V₁) = (273 + 40) × (6.50/2.30) K = 885 K = 612° C ==== Hydrogen gas was cooled from 150° C to 50° C ...

    1 Answers · Science & Mathematics · 21/07/2020

  10. ...thermal energy is doubled: Final temperature = 158 × 2 K = 316 K = (316 - 273) ° C = 43 ° C > 34° C Since the final temperature is ...

    2 Answers · Science & Mathematics · 19/07/2020

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