Runge Exam 1 pt.2

Water

Water as a Solvent

Molecular weight/ Moles

100

What are the three forms of water

solid, liquid, gas

100

What is the difference between a solvent and a solute?

Solvent: dissolving agent

Solute: what is being dissolved

100

Molecular weight formula

Number of atoms multiplied by atomic mass

200

Is water polar or nonpolar

Polar

200

Differences between hydrophillic, hydrophobic, and ampipathic.

Hydrophilic: water loving, polar and charged

Hydrophobic: water fearing, non-polar, not charged

Amphipathic: one molecule that is both hydrophilic and hydrophobic

200

What is the molecular weight of H₂

2 g/mole

300

What type of bond holds water together

Hydrogen Bonds

300

If a molecule is polar it will be...

Hydrophilic

300

What is the molecular weight of CO₆

108 g/mole

400

What is the difference between adhesion and cohesion?

Adhesion: h-bonds with the vessel it is moving up.

Cohesion: water h-bonds with itself

400

If a molecule is nonpolar it will be...

hydrophobic

400

If you had 12 grams of Carbon it is also equal to what number...

6.02 x 10²³

500

How many cal/g does it take for water to go from liquid to gas?

540 cal/g

500

In a solution... like dissolves...