QUESTION 23 Find the value of b for which 1+eb +226 +236 +... = 2 OA...
SORU 22 Find the value of b for which 1 + b +226 +236 +... = 2 ОА In 2 OB 3 In 2 Ос. c. - 102 3 OD. In po in دن انرا OE. In
QUESTION 10 Find the value of b for which 1+ e + 25 +236 +...=2 ОА In 2 3 OB In 2 Ос In 2 OD. In 3 OE In
Question 23 (2 points) Identify the electrophile in the nitration of benzene reaction. oa) NO2 ob) NO3 + OC) NO2 od) HNO3 Question 24 (2 points) Which of the molecules below would be the expected product for the hydrogenation of the following alkene with Na and liq. NH3? Na NH, 1 II III IV oa) 1 ob) III Oc) 11 od) IV
Question 1 (10 points) Which molecules at least one polar bond? OA (CF) OB(CH,O) Oc(N,0) OD (NH3) DE(CHCI3) OF(NO2) Question 2 (10 points) Which molecules have a partial negative charge on a nitrogen atom? OA (CF) DB (CHO) Oc(N2O) OD (NH3) OE (CHC13) OF(NO2) Question 3 (10 points) . I 1 1 lo . o Which molecules shown are polar? OA (CF) CB (CHO) Oc(N₂O) Do(NH3) JE (CHC13) OF (NO₂)
Question 23 Which would be formed when 2-methylpropanal is dissolved in D 20 containing Dt? OA D CH.CHCHOD CH3 OB. CH.COM CH CDCH CH Ос. 0 CHCHCH CHED OD O CH.CHCD CH Е. O CH₃COCO 29 MacBook Air 3 $ 4. 5
QUESTION 1 Which of the following Python variable names has syntax error ? OA. A. CSC121 OB. B. CSC121 Oc. C. CSC-121 D. None of the above QUESTION 2 What data type will Python use to store the value of num_students ? num_students = 17.0 A. floating point number (i.e. float) OB. B. integer (i.e. int) Oc. string (i.e. str) Od. D. None of the above
Please help! Thank you! T Let r(2) = Find the intervals on which the function r is increasing. (1-1) OA. (-1,1) OB.(-0, -1) OC. (-0,0) OD. (0,1) Find the local maxima and minima ofr. O A. min at (0,0); max at (-1,-) OB. no min; max at (0,0) OC. mins at (0,0) and (-1,-1) D. min at (-1,-1); no max Find the intervals on which r is concave upward. OA. (-2, 1) and (1, 0) OB.(-00,-2) OC. (-0, -2) and...
QUESTION 7 Which of the two events are mutually exclusive? OA. Toss a coin to get a head or tail OB. Roll a die to get an even number or 4 OC. Roll two dices to get two even numbers or a sum of 8 D. Roll a die and get a prime number or 3 QUESTION 8 Probability of events must lie in limits of OA. 1-2 B. 2-3 OC.0-1 OD.-1-1 QUESTION9 Sample space (e.g. all possible outcomes) for...
QUESTION 18 What reagents can be used in this synthesis: OH OA. 1) LiAlH4. 2) H2SO4. 3) DCC. OB. 1) Li. 2) methyl acetate. 3) HCI. OC. 1) DIBAL. 2) 2-propanone. 3) NaOH. OD. 1) Li. 2) acetyl chloride. 3) KMnO4- O E. 1) Mg. 2) acetone. 3) H2S04.
Question 23 1 pts 23. What is the likely value of the correlation coefficient? a) +1 b)-1 c) d) Undefined O a Ob od Question 29 1 pts 29. Over time, the correlation between per capita cheese c umption and the umber of civil engineering degrees is approximately -0.96. What is this saying? Select the most correct answer a) As the amount of cheese consumption goes down, the number of civil engineering degrees goes up. b) As the amount of...