Calculate the ratio of the effusion rates of N, and N,O. 20. A) 0.637 B) 1.57...
1. Calculate the ratio of effusion rates of O2 and H2. What is given? What do you want to know? What else do you need to know? Solve the problem:
0.02006 mol 0.1600 mol 0.0025 mol e 0.0055 mol 20. What is the ratio of effusion rates of molecules of co, and so from the same container at the same temperature and pressur e should be having three significant figures 254 b. 1.21 e. 2.20 21. The definition of effusion is: a. The process whereby a gas spreads out through another at the space uniformly. b. The process whereby the game with the other as a defined mera c. The...
Q5
Question 5 (1 point) Calculate the rate of effusion for Cl2 to 02 gases? O a) 0.671 0 b) 0.881 Oc) 2.71 O d) 0 451 Save
What are the AMT rates for 2018-2025? O A. 15% and 25%. O B. 20% and 25%. O C. 26% and 28%. O D. 33% and 39.6%. Submit Answers
The rate of effusion of a certain volume of O, through an orifice at 298 K is 0.0500 s.The rate of effusion (in s) of cl, gas, that has the same volume as the O, gas, through the same orifice at 298 Kis Select one a. 0.0336 sil b. 0.0744 s c. 0.0238 s d. 0.105 s Ne
Q 17. With population growth rates lambda alternating across consecutive years, calculate the long-term ulation growth rates for the 5 scenarios (A through E) and order them from highest to lowest. (3 pts a) A-B-E, D, C b) E, B, A, D-С c) D. В, А, Е, С d) C, E, B, A, D 0.5 0.4 C 0.2 1.5 1.6 5.0 0.7 2.0 0.6 1.2 0.5 E 0.3
Q 17. With population growth rates lambda alternating across consecutive years, calculate...
c. 1.6 A fixed-fixed string under a tension of 20 N is excited at the seventh natural frequency. The first node is 0.25 meters from the left end. How long is the string in meters? a. 1.00 b. 1.25 d. 1.75 e. 2.00 f. None of the above c. 1.50 A2 meter long string with a wavespeed of 200 m/s is excited at a wavenumber of 37T m1 at the free end and is fixed at the other end. What...
1)calculate the binding energy for Li 7 isotope in MeV. The masses are 1.00895u n , 1.007825u for H and 7.016004y for Li. a) 48 b) 56 c) 39 d) 66 2) how many fission reactions of U-235 are needed to generate the worlds energy of 4.0 x 10 ^ 20 J if each fission generates 200 MeV? a) 5.25 x 10^33 b) 1.25 x 10 ^ 31 c) 2.75 x 10^ 29 d) 1.6 x 10 ^ 34
60 is 3 times as much as 20. What kind of comparison is this? Select one: a. simple ratio, smaller as base b. times difference, smaller as base c. simple ratio, larger as base d. times difference, larger as base e. None of these 60 is 200% more than 20. What kind of comparison is this? Select one: a. simple difference, smaller as base b. percent difference, smaller as base c. simple difference, larger as base d. percent difference, larger...
- o v -IV N = Wy = mg cos 30o = 424 N Questions 20, 21: A projectile is fired horizontally from the top of a building at 20 m/s. [Assume the acceleration due to gravity is 10 m/s?.] d 20. Find the magnitude of the vertical component of velocity (in m/s) after three seconds. a. 0 b. 10 с. 20 d. 30 e. 60 a 21. Find the horizontal component of the acceleration in m/s“). a. 0 b....