Homework Answers
a) boiling point order : H2O > H2Te > H2Se > H2S
water is in liquid state and others are in gaseous state so that water has higher boiling point.
water has hydrogen bond so that it has higher boiling point . remaining all are having dipole -dipole forces so those have lower boiling point
b) in fact we thought the boiling points order should be H2O > H2S > H2Se > H2Te. but due to hydrogen bond in water it has exceptionally higher boiling point and H2Te has next boiling point due to higher atomic size larger the atomic size will be more dispersion forces exist so higher boiling points for H2Te after H2O
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6. Consider the table of boiling points below. a) Identify and explain the reason for the...
(20%) Chapter 12, Boiling point trends: Explain the trend in boiling points of the compounds: which...
(20%) Chapter 12, Boiling point trends: Explain the trend in boiling points of the compounds: which one does not fit the trend, and why? H2Te -2 deg.C H2Se -41.5 deg.C H2S -60.7 deg.C H2O +100 deg.C
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many...
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many as are applicable however points will be deducted for incorrect answers. Select one or more: The standard boiling point occurs when the vapor pressure of a compound equals 1 bar The rate of evaporation at temperatures below the boiling point is dependent on surface area The vapor pressure at dynamic equilibrium in a closer container does not depend on the amount of liquid, as...
Rank the elements or compounds in the table below in decreasing order of their boiling points....
Rank the elements or compounds in the table below in decreasing order of their boiling points. T point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol, chemical formula or Lewis structure boiling point Са0 1 (highest) HH - H-C-C-0-H HH co 4 (lowest) - H — C — 0 — TOT — H 1 (highest) .
The graph below shows the boiling points of four hydrogen containing compounds. 120 100 80 40...
The graph below shows the boiling points of four hydrogen containing compounds. 120 100 80 40 Temperature (°C) 20 0 -20 40 60 -80 HO HS H, SC Н.Те What type of intermolecular forces explains the large difference between boiling points of water, H2O, and the other hydrogen containing compounds? O hydrogen bonding O dispersion forces O covalent bonding O ionic bonding
Rank the elements or compounds in the table below in decreasing order of their boiling points....
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol chemical formula or Lewis structure boiling point H:0: H-C-C-N- CHI [Choose one (Choose one) 1 I Br CH 1 (highest) H 2 I 3 H:0: H 11 H-CC-C-H 4 (lowest) HHH сава (Choose...
II) Noncovalent Forces – The following questions refer to the chart below which shows the boiling...
II) Noncovalent Forces – The following questions refer to the chart below which shows the boiling points of specific compounds containing only H-E bonds, where E stands for elements in various periods and groups. 150 a) Explain the steady increase in boiling points in going from Period 3 to Period 5 elements. H20 100 50 HE Boiling point (°C) H2Te 0 SbH3 HI NH3 H2Se -50 H2S b) Explain the sharp decrease in boiling points in going from Period 2...
Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For...
Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the...
3. (10 Points) Consider the compounds in Table 3.3-3 and explain how functional groups affect the intermolecular attrac...
3. (10 Points) Consider the compounds in Table 3.3-3 and explain how functional groups affect the intermolecular attractions. Compound Structure Boiling point (°C) Molecular Mass (g/mol) Hexane 86.17 69 2-Pentanone 86.13 Pentanal 86.13 103 1-Pentanol 88.15 138 Butanoic acid 88.10 164 OH
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next t...
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol, chemical formula or Lewis structure boiling point :NEN-0: (Choose one) F2 4 (lowest) H :0: H c | H -C -C -N – C –H (Choose one) HHH H :0: H H -...
он нас A CH3 B CHa 11) Match the molecule wi acetal 12) Circle the th...
он нас A CH3 B CHa 11) Match the molecule wi acetal 12) Circle the th the functional group _hemiacetal _ketal compound that has the higher boiling point and state a reason why -diethyl ether or 1-butanol N,N-dimethylethanamine or 1-butanamine 3-hexanol or 3-butanol - Butanamide or N-methyl-1-propanamide 13) Circle the compound that is more soluble in water and state a reason why -2-hexanol or 1-propanol N,N-dimethylpropanamide or pentanamide 1-butanol or diethyl ether -3- heptanamine or 3-pentanamine Glucose но. 6 HO-C-H...
Which of the following are TRUE statements regarding evaporation, boiling, and vapor pressure? Select as many as are applicable however points will be deducted for incorrect answers. Select one or more: The standard boiling point occurs when the vapor pressure of a compound equals 1 bar The rate of evaporation at temperatures below the boiling point is dependent on surface area The vapor pressure at dynamic equilibrium in a closer container does not depend on the amount of liquid, as...
Rank the elements or compounds in the table below in decreasing order of their boiling points. T point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol, chemical formula or Lewis structure boiling point Са0 1 (highest) HH - H-C-C-0-H HH co 4 (lowest) - H — C — 0 — TOT — H 1 (highest) .
The graph below shows the boiling points of four hydrogen containing compounds. 120 100 80 40 Temperature (°C) 20 0 -20 40 60 -80 HO HS H, SC Н.Те What type of intermolecular forces explains the large difference between boiling points of water, H2O, and the other hydrogen containing compounds? O hydrogen bonding O dispersion forces O covalent bonding O ionic bonding
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol chemical formula or Lewis structure boiling point H:0: H-C-C-N- CHI [Choose one (Choose one) 1 I Br CH 1 (highest) H 2 I 3 H:0: H 11 H-CC-C-H 4 (lowest) HHH сава (Choose...
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Four liquids are described in the table below. Use the second column of the table to explain the order of their freezing points, and the third column to explain the order of their boiling points. For example, select '1' in the second column next to the liquid with the lowest freezing point. Select '2' in the second column next to the liquid with the next higher freezing point, and so on. In the third column, select '1' next to the...
3. (10 Points) Consider the compounds in Table 3.3-3 and explain how functional groups affect the intermolecular attractions. Compound Structure Boiling point (°C) Molecular Mass (g/mol) Hexane 86.17 69 2-Pentanone 86.13 Pentanal 86.13 103 1-Pentanol 88.15 138 Butanoic acid 88.10 164 OH
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. substance chemical symbol, chemical formula or Lewis structure boiling point :NEN-0: (Choose one) F2 4 (lowest) H :0: H c | H -C -C -N – C –H (Choose one) HHH H :0: H H -...
он нас A CH3 B CHa 11) Match the molecule wi acetal 12) Circle the th the functional group _hemiacetal _ketal compound that has the higher boiling point and state a reason why -diethyl ether or 1-butanol N,N-dimethylethanamine or 1-butanamine 3-hexanol or 3-butanol - Butanamide or N-methyl-1-propanamide 13) Circle the compound that is more soluble in water and state a reason why -2-hexanol or 1-propanol N,N-dimethylpropanamide or pentanamide 1-butanol or diethyl ether -3- heptanamine or 3-pentanamine Glucose но. 6 HO-C-H...
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