5 Written questions
5 Matching questions
- Draw functional group structure and give molecular formula for: Amino.
- Know functional group NAMES, MOLECULAR FORMULAS, and STRUCTURES!
- What are functional groups? Names?
- What are emergent properties of water?
- What scale is pH?
- a Hydroxyl, Carbonyl, Carboxyl, Amino, Sulfhydryl, Phosphate, and Methyl
- b Special abilities water takes on when combined with itself (only works with large amounts of molecules, not just a single molecule)
- c Small organic molecules with great effects:
Hydroxyl, Carbonyl, Carboxyl, Amino, Sulfhydryl, Phosphate, and Methyl
- d A log scale. Each change is 10 times. So when we go up or down, we add a zero to the end.
- e Amino (-NH₂) (acts as a base, amino acids); N single bonded to 2 H's
5 Multiple choice questions
- Ex: pH = 12, What is the molar concentration of H⁺? OH⁻? H⁺ is 1 x 10⁻¹², OH⁻ is 1 x 10⁻².
- Carbonyl (>CO) (ketones, aldehydes, sugars); C double bonded to O
Ex: Acetone, the simplest ketone
- Waters specific heat is much higher that that of other solvents; this is because of hydrogen bonding; this keeps temperatures of places near/on bodies of water consistent
- Methyl (−CH₃) (sex hormones, DNA methylation (when it gets tagged onto your DNA); C single bonded to 3 H's
−C − H
Ex: 5-methyl cytidine
5 True/False questions
What is heat of vaporization? How does it relate to evaporative cooling? What affect does it have on living organisms? → Heat required to convert 1g of liquid into a gaseous state (high); Evaporative cooling is the warmest molecules of a liquid leave as a gas; allows us to sweat, or release heat so we don't die
Draw functional group structure and give molecular formula for: Sulfhydryl.
Example? → Hydroxyl (polar, form hydrogen bonds, polar solvents)
−OH (may be written HO-)
Ex: Alcohols, such as Ethanol
What is specific heat? → Resistance to change in temperature
Describe the terms: solvent, solute, and solution. → WATER!
Why is carbon the basic building element of life? → WATER!