Aflask contains 0.450 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask.

How does a hydroelectric power plant converts energy into energy.

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

In apex! a liquid heated beyond a certain temperature becomes