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CHEM 219 Final Test with Complete Solutions

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CHEM 219 Final Test with Complete Solutions How are frequency and wavelength related? - Answer-They are inversely proportional Which elements can have hydrogen bonding? - Answer-Oxygen, Nitrogen and Flourine Molarity is - Answer-moles of solute/liters of solution M/L Molality is - Answ...

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  • September 17, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CHEM 219
  • CHEM 219
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CHEM 219 Final Test with
Complete Solutions
How are frequency and wavelength related? - Answer-They are inversely proportional

Which elements can have hydrogen bonding? - Answer-Oxygen, Nitrogen and Flourine

Molarity is - Answer-moles of solute/liters of solution M/L

Molality is - Answer-moles of solute/kg of solvent

a solute is - Answer-A substance that is dissolved in a solution.

a solvent is - Answer-A liquid substance capable of dissolving other substances

vapor pressure of a liquid increases with an increase in temperature this means -
Answer-the average kinetic energy of molecules is greater thus more molecules can
enter the gaseous state.

stronger IMFs - Answer-higher boiling and melting points

lower vapor pressure

chemical reactions in which electrons are shared - Answer-occur between nonmetals
and nonmetals.

covalent bond - Answer-A chemical bond that involves sharing a pair of electrons
between atoms in a molecule

transfer of electrons occur between - Answer-nonmetal and metal

electron affinity is - Answer-the energy needed to remove an electron from a negative
ion to form a neutral atom or molecule

Sublimation - Answer-solid to gas

Condensation - Answer-Gas to liquid

Evaporation - Answer-Liquid to gas

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