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Indicate whether each of the statements below is true or false. Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. ResetHelp False True blank: C B r 4 has a higher boiling point than C C l 4.: CBr4 has a higher boiling point than CCl4. blank: C B r 4 has weaker intermolecular forces than C C l 4.: CBr4 has weaker intermolecular forces than CCl4. blank: C B r 4 has a higher vapor pressure at the same temperature than C C l 4.: CBr4 has a higher vapor pressure at the same temperature than CCl4. blank: C B r 4 is more volatile than C C l 4.: CBr4 is more volatile than CCl4.

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Answer:

1) ) CBrâ‚„ has a higher boiling point than CClâ‚„: True

2 CBrâ‚„ has weaker intermolecular forces than CClâ‚„: False

3) CBrâ‚„ has a higher vapor pressure at the same temperature than CClâ‚„: False

4) CBrâ‚„ is more volatile than CClâ‚„: False

Explanation:

1) ) CBrâ‚„ has a higher boiling point than CClâ‚„: True :

Due to higher molecular weight CBrâ‚„ has more london disperion forces thus making the intermolecular interactions stronger and thus it need more temperature to boil it off.

2 CBrâ‚„ has weaker intermolecular forces than CClâ‚„: False

Due to higher molecular weight CBrâ‚„ has more london disperion forces thus making the intermolecular interactions stronger.

3) CBrâ‚„ has a higher vapor pressure at the same temperature than CClâ‚„: False

Due to higher molecular weight CBrâ‚„ has more london disperion forces thus making the intermolecular interactions stronger. Thus the vapor pressure of it will be less than CClâ‚„ at the same temperature.

4) CBrâ‚„ is more volatile than CClâ‚„: False

Due to higher molecular weight CBrâ‚„ has more london disperion forces thus making the intermolecular interactions stronger. Thus CClâ‚„ is more volatile.