5. (20 pts.) The molar heat capacity CP.m of H2O(g) from 373 K to 473 K at a constant pressure of 1 atm is Cp,l = 30.54 +(1.03x10-2T) where the units of Cp.m are JK mol!. a) (10 pts.) Calculate AH if 1 mol of H20 (g) is heated from 373 to 473 K at a constant pressure of 1 bar. b) (10 pts.) Calculate AU for the same thermodynamic change of state. Assume ideal gas behavior to do this...
37. (5 pts) Use the data given below to calculate the electron affinity of Br. K(5) ► kg) K(g) → K'(g) + Br (1) ► 2 Br(g) K(s) + Br:(8) ► KB (8) KBr(8) ► K*(8) + Br(e) AH (1) +89 +419 +193 -394 +674 3 in the hydrogen 38. (5 pts) Calculate the wavelength of light associated with the transition from 1-2 to atom. 39. (2 pts) In the preceding question, would light be absorbed or emitted by the...
Question 3 1 pts The rate constant, k, of the first order reaction A B +C is k = 8.62 x 10-35-1. If the initial concentration of A is 2.74 M, how long will it take for the concentration of A to fall below 0.32 M? Give your answer to one decimal place in MINUTES (do not input the units). For example, if your answer is 8.956 minutes, enter 9.0 Question 4 1 pts The rate constant, k, of the...
1) 140 pts Oxalic acid (H_C_0.) is a diprotic acid with K.: -6.5 x 10*and K - 6.1 x 10 a) (10 pts) Write two equilibrium equations for the dissociation of oxalic acid in aqueous solution (reaction with HOE b) (10 pts) Calculate (HCO. c) (5 pts) Calculate the pH of 0.10 M oxalic acid? 2 d) (10 pts) Calculate (C:01 e) (5 pts) Calculate the percent dissociation of 0.10 M oxalic acid
4. Consider the filter a. (5 pts) Determine b so that |H(0) 1. b. (5 pts) Determine the frequency at which H(ja)l c. (5 pts) Is this filter lowpass, bandpass, or highpass? 2
Question 12 5 pts Given: 2A(g) + B(g) + C(g) K = 3.2 x 104 and AH = 27 kJ Which of the following would be true if the temperature were increased from 25°C to 100°C? 1. The value of K would be smaller 2. The concentration of A(g) would be increased. 3. The concentration of B(g) would increase. 1 only 2 only 3 only 1 and 2 only 2 and 3 only
(1 point) Let A = (-4,1,5), B = (5, -4,2), and P = (k, k, k). The vector from A to B is perpendicular to the vector from A to P when k =
Tk 1 21 5 -5 k (a) Find the determinant of A in terms of k (b) For which value(s) of k is the matrix A invertible? (c) Let B-(k,1,2,0), (0, k, 2,0),(5,-5, k,0)) be a set of vectors in R4, and let k equal some answer you gave for part (b) of this question. Add an appropriate number of vectors to B so that the resulting set is a basis for R'
Tk 1 21 5 -5 k (a)...
The joint probability density function for random variables S and T is given by 20,0s 3 10 fk(2s+ for 0 0 otherwis (a) [5 pts] Determine the value of k (b) [5 pts] Find the probability that P(S +T20). Warning: Sketch the integration region.]
The joint probability density function for random variables S and T is given by 20,0s 3 10 fk(2s+ for 0 0 otherwis (a) [5 pts] Determine the value of k (b) [5 pts] Find the probability...
Question 9 5 pts An ideal gas initially at 1 bar, 300 K undergoes a polytropic process to a higher pressure with the polytropic coefficient, n, equal to the ratio of specific heat, k. The diagram of this process is closest to: