Raising the temperature speeds up the rate of a chemical reaction by increasing?
a. the effectiveness of collisions, only
b. the frequency of the collisions, only
c. both the effectiveness and the frequency of the collisions
d. neither did the effectiveness or the frequency of the collisions

Is a pencil falling to the floor anon contact force, a force, or a contact force

Light waves travel than sound waves.

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.