1. T or F: Water's properties are determined by its structure.
2. Since water is stable, we know that it
A. is compressible.
B. is expandable.
C. has strong bonds.
D. has weak bonds.
3. T or F: It is possible to have a solution which contains more than the maximum amount of solute normally soluble at that temperature.
4. What change occurs in the freezing point of a pure substance when particles of another substance are dissolved in it?
A. it lowers.
B. it fluctuates down, then up.
5. What does an exothermic reaction involve?
A. breaking weak bonds to form weak bonds.
B. breaking weaker bonds to form stronger bonds.
C. breaking strong bonds to form strong bonds
D. breaking stronger bonds to form weaker bonds.
E. none of the above.
6. Which is NOT part of the collision theory?
A. reactants must collide.
B. reactants must collide often.
C. " with enough force.
D. " w/proper orientation.
2007-05-23 14:15:47 · 2 answers · asked by andie 1 in Science & Mathematics ➔ Chemistry