HW-CH-13-solids-liquids-2019-problems.pdf - qi(dcq87 \u2013 HW CH 13 solids liquids 2019 \u2013 krall \u2013(2010182 This print-out should have 25 questions

HW-CH-13-solids-liquids-2019-problems.pdf - qi(dcq87 – HW...

This preview shows page 1 - 2 out of 4 pages.

qi (dcq87) – HW CH 13 solids liquids 2019 – krall – (2010182) 1 This print-out should have 25 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0points hydrogen oxygen Which figure best describes the hydrogen bonding between two water molecules? 1. 2. 3. 4. 002 10.0points Put the following molecules C 2 H 6 , NF 3 , H 2 O, KBr, C 4 H 10 in order of increasing boiling points. 1. C 2 H 6 , NF 3 , H 2 O, KBr, C 4 H 10 2. C 2 H 6 , C 4 H 10 , NF 3 , KBr, H 2 O 3. C 2 H 6 , C 4 H 10 , NF 3 , H 2 O, KBr 4. KBr, C 2 H 6 , C 4 H 10 , NF 3 , H 2 O 5. H 2 O, C 2 H 6 , C 4 H 10 , NF 3 , KBr 003 10.0points Which one of the following statements is NOT applicable to covalent network solids? 1. The individual units in the solid are atoms rather than ions. 2. Covalent solids do not conduct electric current well. 3. The bonding in covalent solids involves shared electrons. 4. Covalent solids have low melting points. 5. Covalent solids are very hard. 004 10.0points The standard molar heat of fusion for water is 6.009 kJ/mol. How much energy would be required to melt 3.04 × 10 5 kg of ice? Answer in units of kJ. 005 10.0points The molar heat capacity of C 6 H 6 ( ) is 136 J/mol · C and of C 6 H 6 (g) is 81.6 J/mol · C. The molar heat of fusion for benzene is 9.92 kJ/mol and its molar heat of vaporization is 30.8 kJ/mol. The melting point of benzene is 5.5 C, its boiling point is 80.1 C, and its molecular weight 78.0 g/mol. How much heat would be required to convert 624 g of solid benzene (C 6 H 6 (s)) at 5.5 C into benzene va- por (C 6 H 6 (g)) at 100.0 C?
Image of page 1
Image of page 2

You've reached the end of your free preview.

Want to read all 4 pages?

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

Stuck? We have tutors online 24/7 who can help you get unstuck.
A+ icon
Ask Expert Tutors You can ask You can ask You can ask (will expire )
Answers in as fast as 15 minutes