Experiment 1.Obtain a tube of water and a straw. 2.Exhale deeply through the straw into the water....
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Transcript of Experiment 1.Obtain a tube of water and a straw. 2.Exhale deeply through the straw into the water....
Experiment
1. Obtain a tube of water and a straw.2. Exhale deeply through the straw into the
water. 3. Make observations.4. Why might your observations be different
than the people near you?
pH scalepH = -log [H+] a
[H+]=1•10-1 [H+]=1•10-14
http://cwx.prenhall.com/bookbind/pubbooks/hillchem3/medialib/media_portfolio/15.html
Example
pH = -log [H+]
What would be the pH of 0.01M solution of HCl (like your stomach acid)?
pH = -log [H+]pH = - -2pH = 2
Figure 3.2
Secretion being releasedfrom cell by exocytosis
Peroxisome
Ribosomes
Roughendoplasmicreticulum
NucleusNuclear envelopeChromatin
Golgi apparatus
Nucleolus
Smooth endoplasmicreticulum
Cytosol
Lysosome
Mitochondrion
Centrioles
Centrosomematrix
Microtubule
Microvilli
Microfilament
Intermediate filaments
Plasmamembrane
What happens to CO2 in blood?
CO2 + H2O HCO3- + H+
What happens to CO2 in water?
CO2 + H2O HCO3- + H+
Carbonic Anhydrase