Some nickel(II) sulfate solution was carefully placed in the bottom of a beaker of water. The beaker was
then covered and left for several days.
a) Describe what you would see after:
(i) a few hours
(ii) several days.
b) Explain your answer to a using your ideas of the
kinetic theory of particles.
c) What is the name of the physical process that
takes place in this experiment?

Compare and contrast the bohr model and the electron cloud models of the atom.

An animal cell loses the ability to convert energy stored in food to energy that the cell can use. which of the cell's organelles has stopped working? a.the mitochondria b.the nucleus c.the vacuoles d.the endoplasmic reticulum

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.