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h20life
Guest
1. The melting of ice at temps. above 0 degrees C. ______.
A. liberates heat
B. is not spontaneous
C. is not favorable
D. is endothermic
2. When nitrous oxide is converted into nitrogen and oxygen, what is the term used to describe the oxygen atoms formed?
A. reactants
B. products
C. activated complexes
D. intermediates
3. For a complex reaction, the reaction progress curve ______.
A. is a flat line
B. has only one peak
C. has several hills and valleys
D. shows energy versus pressure
4. What information is NOT given by an overall equation for a chemical reaction?
A. the relative # of molecules used
B. the probable order of the reaction
C. the number of atoms participating in the reaction
D. the reaction mechanism
A. liberates heat
B. is not spontaneous
C. is not favorable
D. is endothermic
2. When nitrous oxide is converted into nitrogen and oxygen, what is the term used to describe the oxygen atoms formed?
A. reactants
B. products
C. activated complexes
D. intermediates
3. For a complex reaction, the reaction progress curve ______.
A. is a flat line
B. has only one peak
C. has several hills and valleys
D. shows energy versus pressure
4. What information is NOT given by an overall equation for a chemical reaction?
A. the relative # of molecules used
B. the probable order of the reaction
C. the number of atoms participating in the reaction
D. the reaction mechanism