8. Given that the disintegration rate of 26Al in seawater is 2 × 108 dpmL, calculate its concentration in atoms/mL of seawater?
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Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y' 8. Given that the disintegration rat...
Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y' Given that the concentration of1Be i...
Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y' Given that the concentration of1Be in rainwater is 60,000 atoms/g, calculate its disintegration rate in dpm/kg? 7.
Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y'
Given that the concentration of1Be in rainwater is 60,000 atoms/g, calculate its disintegration rate in dpm/kg? 7.
statisfied the PDE Suppose that λ-λ 1,22 are constants such that u(x, y)-F(x + λy) 24 u(x,y))-10 ya for any twice-differentiable function of one variable F(s) Suppose also that λ1 λ2 , enter the valu...
statisfied the PDE Suppose that λ-λ 1,22 are constants such that u(x, y)-F(x + λy) 24 u(x,y))-10 ya for any twice-differentiable function of one variable F(s) Suppose also that λ1 λ2 , enter the values of λ 1, λ2 in the boxes below. 6 2 Hence the soution will be of the form Solve the PDE with the initial conditions u (x, 0)-5 sin (a), lty (x,0)-0. Enter the expression for u(x, y) in the box below using Maple syntax...
Metal Hydroxides: Evaluating Completeness of Pr Review l Constants l Periodic Table The hydroxide...
Metal Hydroxides: Evaluating Completeness of Pr Review l Constants l Periodic Table The hydroxide ion has the formula OH The solubility- product constants for three generic hydroxides are given here Generic hydroxideKsp 2.50×10 8 Y(OH21.50 x 10 10 Z(OH)3 8.90 x 10 15 XOH Use these values to answer the following questions. itemView?assignmentProblemID-121006887 ipitation Part A The removal of an ion is sometimes considered to be complete when its concentration drops to 1.00 x 10-6 M What concentration of hydroxide...
(a) Given constants C, a, 8 € R, define a function by z = f(x, y)...
(a) Given constants C, a, 8 € R, define a function by z = f(x, y) = Crºy Let dx/a, dy/y, and dz/z be the approximate relative (percent) changes in x, y, and z, respec- tively. Find the relative (percent) change in z in terms of the relative (percent) changes of a and y. (b) The total production P of a certain product depends on the amount L of labour used and the amount K of capital investment. The Cobb-Douglas...
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue 0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1...
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue
11. The solubility product constant for aluminum hydroxide (Al(OH)3) is 3.0 x 10”. Use the information...
11. The solubility product constant for aluminum hydroxide (Al(OH)3) is 3.0 x 10”. Use the information to calculate the molar solubility of Aluminum hydroxide in: (a) pure water (6 points) 0.80 M KOH solution (4 points) 12. 20.0 mL of a 0.200 mol L solution of a metal ion M is mixed with 20.0 mL of a 0.300 mol I'' solution of a substance L. The following equilibrium is established: M (aq) + 2L (aq) + ML(aq) At equilibrium the...
The hydroxide ion has the formula OH-. The solubility-product constants for three generic hydroxides are given...
The hydroxide ion has the formula OH-. The solubility-product constants for three generic hydroxides are given here. XOH = 2.90 x 10-8 Ksp Y(OH)2 = 2.20 x 10-10 Ksp Z(OH)3 = 8.20 x 10-15 Ksp The removal of an ion is sometimes considered to be complete when its concentration drops to 1.00 x 10-6 M. What concentration of hydroxide would cause Y+2 to "completely" precipitate from a solution?
2. Given ky of 3.4 x 10-2 [mol L atm'), calculate the dissolved aqueous concentration of...
2. Given ky of 3.4 x 10-2 [mol L atm'), calculate the dissolved aqueous concentration of CO2 that would be at equilibrium with current CO2 concentrations in the atmosphere. (2 pts) The other reactions above are similarly associated with equilibrium constants: K, - [H.CO] CO2/01)] , [H][HCO3] K - TH.CO;] H][co;] THCO3] where K, = 1.7x10-3, K, = 2.5x10+ , and K. = 4.7 x 10-11 3. Knowing the reaction constants above, calculate the pH of water that is in...
l Review I Constants Periodic Table Where should a -10-6-C charged object be located on a...
l Review I Constants Periodic Table Where should a -10-6-C charged object be located on a line between the positively charged objects (from +10 6-C charged object) so that the net electrical force exerted on the negatively charged object is zero? A+10-6-C charged object and a +2 x 10-6-C charged object are separated by 120 m Express your answer with the the appropriate units. 29 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
6. The joint density of the random variables X and Y is given as f(x,y) C-...
6. The joint density of the random variables X and Y is given as f(x,y) C- 'y21 otherwise i) Find c such that f(x, y) is a valid density function. (8 pts) ii) Set up the calculation for P(X < 2, Y > 2). You do not need to compute this value. (5 pts) iii) Find the marginal distribution of X and the marginal distribution of Y. (14 pts) iv) Find E(X) and E(Y)(10 pts) v) Find og and oſ...
Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y' Given that the concentration of1Be in rainwater is 60,000 atoms/g, calculate its disintegration rate in dpm/kg? 7.
Cosmogenic Radionuclides Constants:"Be: λ-0.459 x 10"y'; "Al. A = 0.983x 10-6 y-l:"C: λ = 1.209 x 10"y'; 32si. A 4.95x10 y'
Given that the concentration of1Be in rainwater is 60,000 atoms/g, calculate its disintegration rate in dpm/kg? 7.
statisfied the PDE Suppose that λ-λ 1,22 are constants such that u(x, y)-F(x + λy) 24 u(x,y))-10 ya for any twice-differentiable function of one variable F(s) Suppose also that λ1 λ2 , enter the values of λ 1, λ2 in the boxes below. 6 2 Hence the soution will be of the form Solve the PDE with the initial conditions u (x, 0)-5 sin (a), lty (x,0)-0. Enter the expression for u(x, y) in the box below using Maple syntax...
Metal Hydroxides: Evaluating Completeness of Pr Review l Constants l Periodic Table The hydroxide ion has the formula OH The solubility- product constants for three generic hydroxides are given here Generic hydroxideKsp 2.50×10 8 Y(OH21.50 x 10 10 Z(OH)3 8.90 x 10 15 XOH Use these values to answer the following questions. itemView?assignmentProblemID-121006887 ipitation Part A The removal of an ion is sometimes considered to be complete when its concentration drops to 1.00 x 10-6 M What concentration of hydroxide...
(a) Given constants C, a, 8 € R, define a function by z = f(x, y) = Crºy Let dx/a, dy/y, and dz/z be the approximate relative (percent) changes in x, y, and z, respec- tively. Find the relative (percent) change in z in terms of the relative (percent) changes of a and y. (b) The total production P of a certain product depends on the amount L of labour used and the amount K of capital investment. The Cobb-Douglas...
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue
0 4 -1 1 5. Given, A--2 6 -11 L-2 8-3 1 has the characteristic polynomial p(λ)-(x + 2) (z-2)2(z-1) Find the corresponding eigenvector for each eigenvalue
11. The solubility product constant for aluminum hydroxide (Al(OH)3) is 3.0 x 10”. Use the information to calculate the molar solubility of Aluminum hydroxide in: (a) pure water (6 points) 0.80 M KOH solution (4 points) 12. 20.0 mL of a 0.200 mol L solution of a metal ion M is mixed with 20.0 mL of a 0.300 mol I'' solution of a substance L. The following equilibrium is established: M (aq) + 2L (aq) + ML(aq) At equilibrium the...
2. Given ky of 3.4 x 10-2 [mol L atm'), calculate the dissolved aqueous concentration of CO2 that would be at equilibrium with current CO2 concentrations in the atmosphere. (2 pts) The other reactions above are similarly associated with equilibrium constants: K, - [H.CO] CO2/01)] , [H][HCO3] K - TH.CO;] H][co;] THCO3] where K, = 1.7x10-3, K, = 2.5x10+ , and K. = 4.7 x 10-11 3. Knowing the reaction constants above, calculate the pH of water that is in...
l Review I Constants Periodic Table Where should a -10-6-C charged object be located on a line between the positively charged objects (from +10 6-C charged object) so that the net electrical force exerted on the negatively charged object is zero? A+10-6-C charged object and a +2 x 10-6-C charged object are separated by 120 m Express your answer with the the appropriate units. 29 Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
6. The joint density of the random variables X and Y is given as f(x,y) C- 'y21 otherwise i) Find c such that f(x, y) is a valid density function. (8 pts) ii) Set up the calculation for P(X < 2, Y > 2). You do not need to compute this value. (5 pts) iii) Find the marginal distribution of X and the marginal distribution of Y. (14 pts) iv) Find E(X) and E(Y)(10 pts) v) Find og and oſ...
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