A 1.00 L flask is filled with 1.15 g of argon at 25 °C. A sample of ethane vapor is added to the same flask until the total pressure is 1.200 atm . Part A What is the partial pressure of argon, PAr, in the flask? Express your answer to three significant figures and include the appropriate units. • View Available Hint(s) HẢ ? PAr = Value Units

KMnO4 is a strong oxidizing agent that A. preferably oxidize the ring structure of cyclic alkenes B. preferably break down the conjugated double bond of aromatic hydrocarbons C. preferably oxidize the ring structure of aromatic hydrocarbons D. D. Enforces electrophilic addition on the aromatic ring

Paraformaldehyde is a polymer of    A. acetone   B. paraform    C. formaldehyde    D. acetaldehyde

d. e. OH Cl NaOC1, CH₂COOH CH3CH₂ONa Acetone

19. How many of the following are addition reactions? A) 3 B) 1 C) 4 D) 2 E) 0 (1) (ii) (iii) (iv) OH + Y + HCI- 1. H 2. H₂O* LOH OH H*(aq) MgBr, Et₂0 KMnO4 ax OH HOM OH + H₂O

Tetrodotoxin (Kishi et. al, 1972) HO-N 1 SnCl4 CH3 CH;CN 2.

7.) Draw an arrow pushing mechanism for termination by disproportionation of polystyrene. NC Ph Ph NC Ph Ph

What gives Teflon polymers their non-stick properties? A; the polarity of the C-F bondsB;  the strength of the C-F bondsC; F isn’t polarizable, so very low intermolecular forcesD; strong hydrogen bonding to wate

b) OH CI Pyridine ?

a. 5. Draw the product(s) of each addition reaction b. d. دھ HBr H2SO4, H₂O Bra, H2O a. 9-BBN b. H2O2, NaOH