Select all of the following that are chemical changes Group of answer choices photosynthesis breaking a window into very tiny pieces melting a can turning a tin can into aluminum foil iron rusting and breaking apart crushing a can

What is a property of a double replacement reaction

The appropriate concentration for an iodine sanitizer is

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.