Two iron weights, one twice the mass of the other, are dropped from the top of a building. Compared with the lighter weight, the twice as heavy weight will hit the ground with (2 points) a
half the momentum

b
the same momentum

c
twice the momentum

d
four times the momentum

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

The covalent compound acetylene, which is the fuel of the oxyacetylene torch used by welders, has the molecular formula c2h2. the covalent compound benzene, a commercial solvent, has the molecular formula c6h6 each of these covalent compounds contains carbon and hydrogen atoms in a one-to-one ratio. would it be correct to write the chemical formulas of each as ch? explain.

How many grams of mgbr2 are needed to produce 75g or metal?