1. Ch 2 The Chemical Basis of Life Element- substance that can’t be brokendown into simpler substances.• # of protons makes each unique 2. Atom – smallest unit of matter•…

1. • • • • •Importance of water: The Human Body Basic Water Chemistry: Measurable Properties Fundamentals of Water Technology: Hydrologic Cycle Nature of Water:…

Ch. 14-15: Acids, Bases and Solubility AP Review Questions **On AP test, if in doubt use 3 significant digits. It is always correct. **For logs: If Ka = 1.8 X10-5, then pKa…

Slide 1UNIT IV pH Slide 2 I ONIZATION OF W ATER Pure distilled water still has a small conductivity. Why? 2H 2 O (l) + 59kJ H 3 O + (aq) + OH - (aq) Slide 3 I ONIZATION OF…

Slide 1COMMON ION EFFECT Slide 2 COMMON ION an ion common with one in a system at equilibrium which places a stress on the equilibrium Common Ion Common Ion Slide 3 Uses…

Slide 1What makes water so special? Slide 2 Water three A water molecule (H 2 O), is made up of three atoms --- one oxygen and two hydrogen. H H O Slide 3 So…what makes…

Slide 1Acids & Bases They are everywhere.. In your food In your house EVEN IN YOU!!!!! Slide 2 What is an acid?  An acid is a solution that has an excess of H+ ions.…

Slide 1Why Study Chemistry in Biology? Slide 2 Slide 3 Slide 4 I. Atoms Definition: smallest particle of an element Slide 5 Slide 6 B. Composition Subatomic Particle ChargeMassLocation…

Slide 1pH Slide 2 What is pH? pH is a measure of the acidity, [H + ], or basicity (alkalinity), [OH - ], of a solution. The scale is typically measured from 0 to 14. A pH…

Slide 1pH and Buffers Pre-AP Biology Slide 2 Bellwork You have a large puddle of water on the floor, explain how the sponge works to remove the water. How do you remove the…