Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Choose the substance with the highest boiling point.
A F2B CH4C CO2D CH3CH3E CH3OH
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- Decide what kind of crystalline solid each element or compound in the table forms, and what kind of force holds the solid together. Then, rank the solids in order of decreasing melting point. That is, select "1" next to the solid with the highest melting point, "2" next to the solid with the next highest melting point, and so on. (You may need to use the scrollbar to see all the choices.) element or compound HI BaCl, Ch₂ type of solid force holding the solid formed together ? ? ? ? ? ? X melting point of solid ? ? ?arrow_forwardWhich of the following substances will have the highest melting point in hf, pcl3, f2arrow_forwardConsider the phase diagram below. If the dashed line at 1 atm of pressure is followed from 100 to 400°C, what phase changes will occur (in order of increasing temperature)? 100 atm 1 atm 0.118 atm 114 °C 184 °C 535 °C Temperature (not to scale) O vaporization, followed by sublimation O fusion, followed by vaporization O sublimation, followed by fusion O condensation, followed by fusion O No phase change will occur under the conditions specified. Pressure (not to scale)arrow_forward
- What is the normal boiling point of each compound? Vapor pressure (mm Hg) 800 700 600 500 400 300 200 100 0 -30 -10 CS₂: CH3 NO2: °℃ °C 10 CS₂ 50 30 Temperature (°C) CH3NO₂ 70 90 110arrow_forwardA sample of C3H4BR2 has a normal boiling temperature of 131.5 °C. The enthalpy of vaporization for this compound is 35.4 kJ/mol. How much energy would be required to heat a 23.1 gram sample of liquid C3H4Br2 from 97.5 °C to a gas at 187.2 °C? The specific heat for the liquid is 0.865 J/g.°C and the specific heat for the gas is 0.364 J/g °C. ts.ics B CertainGovernm.pdf A CertainGovernm..pdf A 2020 W-2 and E...pdf MacBook Pro G Search or type URL 5 6arrow_forwardWhich of the following in the liquid state should have the highest boiling point? H2O C5H12 H2S NaBrarrow_forward
- The following information is given for ethanol at 1 atm: Boiling point = 78.40°C Melting point =-114.5°C Specific heat gas = 0.3418 cal/g°C Specific heat liquid = 0.5880 cal/g°C Heat of vaporization = 200.0 cal/g Heat of fusion = 26.04 cal/g A 44.00 g sample of liquid ethanol is initially at -58.80°C. How many kcal of energy must be added to the sample to raise its temperature to 94.90°C? Energy added = kcalarrow_forward888 Consider the structures in the image. Which molecule will have the highest boiling point? H2 CH3 H2 H2 C CH3 H3C H2 A) A A В В) В C) С H2 H2 H2 H3C-Cc-CH3 CH2 CH3 H3c-C c-CC H2 CH2 D) D C étv A P 吕口 F3 888 F4 esc FI F2 FS F8 F9 FI0 23 $ % & * del 2 3 4 5 6 7 8 %3D Q W E R Yarrow_forwardWhich substance is expected to have the highest boiling point? a) CO2 b) HCl c) CH3OH d) CH4 e) BF3arrow_forward
- Choose the substance with the highest boiling point. CF 2H 2 F 2 H 2O H 2S NBr 3arrow_forwardThe normal boiling points of CH2F2 and CH3F are -52 oC and -78 oC respectively. Which of the following options best explains the differences in boiling temperatures? a.) CH2F2 is more polarizable as it has more electrons b.) CH3F is less polarizable as it is non-polar c.) CH3F2 is more polarizable as it is more polar d.) Ch3F is more polarizable as it has more electronsarrow_forwardQUESTION 6 Choose the substance with the lowest boiling point. O NBr 3 O CF 2H 2 OF2 O H 20 2 O H 2Sarrow_forward
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