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- (10.5 & 12.3) Which of the following molecules have dipole-dipole forces? More than one answer is required. OCCI4 O NH3 O CHC13 O PC15 D CH2O(12.4)Choose the substance with the lowest surface tension in the liquid phase. O (CH3)2CO O H₂O 0000 O CH3SH O CH3CH₂CH₂CH311.9. Which of the following is a challenge for green chemists? a) Awareness of the benefits of green chemistry b) Developing chemicals that are recyclable c) Training for cleaning up chemical spills d) Knowing when to reduce and eliminate hazardous waste
- 10:23 1 Done Introductory+Chemistry 16. If 14.7 g of NO₂ are reacted, what mass of H₂O is reacted with it? 3NO₂(g) + H₂O(l) → 2HNO3(aq) + NO(g)3.2 Propane (CH) has a normal boiling point of-42.0°C and a heat of Vaporization (Ham) of 19.04KG/mol. What is the Vapor Pressure of propane at 25.0 C? (5)(12.8)A substance is initially at 301 K and 1.01 bar (pressure unit). What phase transition occurs when the temperature changes to 201 K at constant pressure? Liquid 127 Solid 1.01 0.05 Vapor Pressure (bar) (not to scale) 49.0 O freezing O sublimation O condensation O vaporization 279 353 Temperature (K) 562
- H. C2H2 6. Draw out the Lewis structure for each. Determine the electron and molecular group geometry for each structure. Determine the intermolecular forces for each structure. (2pts) CF2H2 7. Circle the H-bonds on the following molecule. (1 pts) H H H H H 8. We experienced a large temperature swing during a softball weekend. If your tire pressure in the morning was 25 psi at -100C, what is the tire pressure at 40oC at 10 pm when you finish your last game? (1pt) 9. At the softball game, the caffeine in my Coke Zero was 46 mg for a 12 oz can. What is the ppm of caffeine in my Coke Zero? (2 pts)1.65 • Which of the following is expected to have the highest boiling point? H. H. H-C-O C-H а. H H H-C-C-OH b. H H https://bookshelf.vitalsource.com/reader/books/9781119776741/epubcfi/6/16[%3Bvnd.vst.idref%3DC01]u4/2[c01-sec-0000y52[c01-exsec-0400/36/8/1:. 1/2 8/15/2021 VitalSource Bookshelf: Organic Chemistry, Integrated E-Text with E-Solutions Manual H-C-C-H С. H :O. H H-C-C-H d.11.114 2.00 L of N,, at 25 °C and 1.08 atm, is mixed with 4.00 I of O2, at 25 °C and 0.118 atm, and the mixture is allowed to react. How much NO, in grams, is produced? (9.2, 9.3, 11.7, 11.8) N2(g) + O2(8) → 2NO(8)
- (Q54) How many grams of carbon dioxide gas will be dissolved in 769 mL of water at 25°C held at a pressure of 0.882 atm? (3 sf)13.107Which of the following is TRUE about the relationship between temperature and Kinetic energy (KE)? Select the correct response: KE decreases with increasing temperature. OTemperature and KE do not correlate The cooler it is, the more excited the molecules are. KE Increases with increasing temperature.