week 7 physio Word Scramble
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| Question | Answer |
| what controls the rate of diffusion? | Influenced by temperature, energy input, and molecular size. |
| what is the pH of human blood? | 7 |
| what is a mole? | 1 mole= 6.02 x 10 - 23 atoms (avogadro's number) |
| what is molarity? | number of moles solute per liter |
| what is a solvent? | liquid that dissolves the solvent (water) |
| what is a solute? | substance dissolved in liquid |
| what is an isotope? | contain equal number of protons, but different number of neutrons in the nuclei, and so they differ in atomic mass but not in chemical properties. |
| what is the difference between hydrophilic, hydrophobic and amphipathic molecules? how do they become this way? | -hydrophilic: Water loving -hydrophobic: Water fearing -amphipathic: Is both hydrophobic and hydrophilic. whether they are polar, nonpolar, charted or uncharged. |
| what is a solution? what is the normal role of water in a solution? why is water so good at this role? | -solute + solvent = solution dissolve the solvent. because it is amphipathic, contains both hydrophilic and hydrophobic regions. |
| how is a polar covalent bond different from a non-polar one and what is electronegativity? | -polar covalent bonds share electrons unequally. -non-polar covalent bonds share electrons equally, more time with one atom. -electronegativity is atom's attraction or electrons. |
Created by:
shaniakumar99
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