If the following equation is properly balanced, what are the coefficients in front of each compound? Fe2O4 + SO2 → FeS + O2 1. 1; 2; 1; 2 2. 2; 2; 2; 5 3. 2; 1; 1; 4 4. 1; 2; 1; 4 5. 1; 2; 2; 4 6. 2; 2; 1; 5 7. 2; 2; 1; 4 8. 1; 1; 1; 1 9. 2; 1; 2; 4

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

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.

How many moles are in 1.26*10^24 particles in significant figures