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Question 13 Evaluate XV1 dx. (A) 1/2 (B) 7/4 (C) -1/2 (sin-+ +8?_1-30 vi-x+c (D) (E) None of above. OB OC OD E ОА Question 1 dr (A) X +C Evaluate s - 16 (22+16) Ž V22 +16 -X (B) -1 + c 472 +16 (C) +C 1677 +16 (D) +C 16/22 +16 X A OD ОВ OC
Part 7 of 8 - Question 7 of 8 1.0 Points , find det A. [100 If A = 0 1 2 O 34 ОАО OB. 2 O C. -2 O D. 10 O E. not defined Reset Selection Part 8 of 8 - Question 8 of 8 1.0 Points 2] [100] 5 and C= 0 0 2 . Which of these matrices have determinant zero? 0 30 [171] -1 0 Consider the matrices A= 3 0 3 , B=...
Evaluate. If fx) - x-5 and glx) x-1, evaluate (f + g)(2) a) 8 b) 10 c) o d) -2
Question 19 (2 points) How many signals would you expect in the 'H NMR spectrum of the following compound? O a) 4 Ob) 5 O c) 6 d) 7 Question 20 (2 points) A compound with a molecular formula of C10H1202 has the following TH NMR spectrum. Which of the following structures is consistent with this spectrum? It til OCH,CH,CH o CH2CH2CHE 11 OH OH CH2CH2CH3 CH2CH2CH3 III IV O a) 1 Ob) III Oc) Od) IV
Question 1 of 8 1.0 Points 11 [100] [o 1 1] , B= 0 1 2 and C = 0 1 2. Which of 10 3 4 10 3 4] Consider the matrices A= 3 4 these matrices is/are invertible? O A. All of them O B. A and B only O C. A and C only OD. B and C only O E. None of them Reset Selection Part 2 of 7 - Question 2 of 8 1.0 Points...
2. Let w-a b :a 2b-7c, a subset of M2 2x2 c d a) (5 points) Find a set of "vectors" in M2-2whose span is W b) (5 points) Show that the vectors in part (a) are linearly independent. c) ( point) Since Wis the span of the vectors obtained in part (a), we can conclude that W isa of M2x2. (See Theorem 4.1.2 in the 4.1 Part 2 notes)
14.
For A+ 2B---> 2C+ D find kc if the concentration of A is 0.14M
the concentration of B is 0.17M the concentration of C is 2.0x10^-4
and the concentration of D is 3.0 x 10^-6.
17. The reaction A--> 2B+C has a Kc of 2.0 x 10^-8. If at
the begining there is only A (0.20M) use the ICE method to
determine the concentration of B at the equilibrum.
18. What is the pH for a solution that is...
Question 5. (8 points) Find the following: (a) L{t- sin(2t)} (b) C{2* * cos(t)} (c) c- )4+{2+2 +5} 4s S2 + 2s + 5 (d) C-1 6e-3 $2 +1
8 points each 1. F is a conservative vector field. Evaluate ScF. dr where F =< 2xy3-4, 3x2y224, 4x^y323 > and C is the curve beginning at (3, 0, 5) and ending at (3, 2, -1)
Solve 8 cos(2B) = 8 cos’(B) – 5 for all solutions ( < 3 < 27 B = 1.07,2.06,4.21,5.21 Preview