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Question 2 Not yet answered Points out of 100 P Flag question What concentration of Calcium...
What concentration of Calcium ion will be present at equilibrium in a solution that is saturated with CaF2 and contains 0.01 M NaF? Ksp for CaF2 = 5.3 x 10−9 A. 8.1 x 10−3 M B. 1.74 x 10−3 M C. None of these D. 1.74 x 10−5 M E. 5.3 x 10−5 M
What concentration of Calcium ion will be present at equilibrium in a solution that is saturated with CaF2 and contains 0.01 M NaF? Ksp for CaF2 = 5.3 x 10−9
Question 46 Not yet answered Points out of 1 P Flag question The structural and functional unit of skeletal muscle is the Select one: O a. Sarcolemma O b. Actin myofilament O c. Sarcomere O d. Myosin myofilament Question 34 Not yet answered Points out of 1 P Flag question Which one of the following proteins is present in the thin filament? Select one: O a. Myosin O b. Titin O c. Actin Dronione nome Net Which one of the...
Question 3 Not yet answered Points out of 2 Flag question The equilibrium constant is given for one of the reactions below. Determine the value of the missing equilibrium constant. H2(g) + Br2(g) 2 HBr(g) Kc 3.8 x 104 2 HBr(g) H2(g) + Br2(g) Kc = ? Select one: O a. 1.9 x 104 ○ b. 5.3 × 10.5 O c. 2.6x 10-5 d. 6.4 x 10-4 e. 1.6 x 103 O o
Question 2 Not yet answered Points out of 10.00 P Flag question A first order process is found to have a rate constant of 32.3 s-1. How long does it take for the reactant concentration to decrease to one-fifth (1/5)? Select one: O A. 67.2 s OB. 0.00691 s OC. 0.223 s OD. 7.21 s O E. 0.0644 s Previous page Next page
Not yet answered Question 10 Points out of 100 P Flag Question The position of a particle moving along the x-axis is given by x(t) = 3 +Be-Ce where x is in meters and is in seconds, B and C are constants. If the particle comes to rest at x = 24 m when t= 3s, what are the numerical values of the constants B and C? Select one: o a. 4 (m/s) and -5 (m/s) o b. 13/6 (m/s)...
Question 5 Not yet answered Marked out of 4.00 P Flag question Suppose zi = 1 + 4i and z2 = 3 + 2i. Then 1 is equal to Select one: o a. 11 – 10i o b. 13 + 13 0 c. none of these 0 .-1+14, 0 Question 6 Not yet answered Marked out of 4.00 P Flag question Suppose y2 + 4x’y + 7x² = 11. Implicit differentiation gives = dy Select one: O a. none of...
Question 5 Not yet answered Marked out of 3 P Flag question For 3 points, identify the reactant(s) which is oxidized. 2Sc(s) + 3F2 à ScF3 Select one: O a. Sc ob. F2 O c. ScF3 O d. 12 O e. None of the above O f. All of the above Not yet answered Marked out of 3 P Flag question For 3 points, identify the reactant(s) which is reduced. Ba(s) + MgSO4(aq) à Mg(s) + BaSO4(s) Select one: O...
Regarding transposable elements: Question 8 Not yet answered Points out of 2.00 P Flag question Select one: a. non autonomous elements require other elements for transposition b. autonomous elements encode the function needed for movement O c. mobile genetic elements are thought to be present in all forms of life d. transposable elements are common in most genomes e. all of these answers are correct o In prokaryotic cells: Question 9 Not yet answered Points out of 2.00 P Flag...
Not yet answered Marked out of 3.00 P Flag question The distance from the point S(1, -3,2) to the line x = 2 + 21, y = 2 – 21, z = 1 is -- Select one: O VI 70 A. OB. 58 O C. none of these answers OD 170 7170 E. o