For each of the reactions, calculate the mass (in grams) of the product formed when 15.54 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant. 2K(s)+Cl2(g)––––––→2KCl(s) (Cl2 is underlined)
Express your answer using four significant figures.

Helium decays to form lithium. which equation correctly describes this decay?

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.

Name 3 types of energy you see being used as you look around a classroom