15. Which of the following molecules would have the highest vapor pressure at any given temperature?...
Given the following boiling point data, which one of the liquids would you expect to have the HIGHEST vapor pressure at room temperature? a) water, H2O; 100°C b) methanol, CH3OH; 64.96°C c) ethanol, CH3CH2OH; 78.5°C d) diethyl ether, CH3CH2-O-CH2CH3; 34.5°C e) ethylene glycol, HO-CH2-CH2-OH; 198°C
Which of the following compounds would have the highest vapor pressure under the same set of conditions? All molecules have the formula C5H12- ОА All compounds would have the same vapor pressure. OC OB
You are given the following boiling point data, Which one of the liquids would you expect to have the highest vapor pressure at room temperature! a. ethanol, CH3CH2OH 78.5°C b. water, H20 100°C Oc. diethyl ether, CH3CH2 O CH2CH3 34.5°C Od. ethylene glycol, HO CH2 CH2 OH 198°C Oe methanol, CH3OH 64.96°C
i need all Question 6 (1 point) Predict the order of increasing vapor pressure at a given temperature for the following compounds: CH3CH2CH2CH2OH (1), HOCH2CH2CH2OH (2), CH3CH2OCH2CH3 (3) A) 3 < 1<2 OB) 2 < 1<3 OC) 1<2<3 D) 3 < 2 < 1 Question 7 (1 point) Would you expect HCl or LiCl to have a higher boiling point? OA) LICI B) HCI C) Neither DIt cannot be determine from the information provided. uestion 8 (1 point) Ethylene glycol...
Which of the following solutions will have the highest vapor pressure compared to the vapor pressure of pure water at 25°C? ОА 0,1 mole of glucose, C6H12O6, dissolved in 1 kg of water. O B 0.1 mole of magnesium chloride dissolved in 1 kg of water. 0 C 0.1 mole of sodium hydrogen carbonate dissolved in 1 kg of water O D 0.1 mole of ammonium nitrate dissolved in 1 kg of water.
Which of the following compounds has the highest boiling point? 34.6°C 78.3°C 100°C 800 760 Normal boiling point 600 Vapor pressure (tor) Diethyl ether Water 400 Ethyl alcohol (ethanol) 200 Ethylene glycol 0 20 80 100 40 60 Temperature (°C) Select one: a. NH3 O b. H₂S о с. НСІ O d. H₂O According to the MO theory, which of the following molecules should not exist? Select one: a. Hez b. Hez c. H2 d. All of the above
Which gas has a higher vapor pressure at 25 degrees C? All four molecules are polar. a. CH₃OCH₃ b. CH₃OH c. H2O d. HOCH2CH2OH **Is vapor pressure directly correlated to IMF strength??
figure 1 Figure 2 Liquid ethanol mm P increasing P = equilibrium vapor pressure P=0 Add System comes to equilibrium ethanol Evacuated flask, pressure zero Molecules begin to vaporize, pressure increases Molecules leave and enter liquid at equal rates, pressure reaches steady-state value 34.6 °C 78.3°C 100 °C Normal boiling point Diethyl ether Vapor pressure (torr) Ethyl alcohol (ethanol) Water Ethylene glycol 100 20 40 60 80 Temperature (°C) Copyright 2009 Pearson Prentice Hall,Inc. Click on: (Figure 2) and study...
Rank these substances in order from lowest vapor pressure to highest vapor pressure at room temperature. b HHH H-C-C-C-H a) a<b<c b) b<c<a c) a<c<b d) b<a<c H :0: H H-C-C-C- H HH H HHH -C-C-C-H H :O: H H-C-C H Acetone 2-Propanol Methylpropane
9) Which of the following liquids will exhibit the highest vapor pressure? A) H20, bp = 100°C B) Brz, bp = 58.8°C C) CH3OH, bp = 64.7°C D) All exhibit the same vapor pressure.