You perform combustion analysis on 255 mg of a molecule that contains only c, h, and o, and you find that 561 mg co2 is produced, along with 306 mg h2o. if the molecule contains only c, h, and o, what is the emperical formula? if the molar mass of the compound is 180g/mol, what is the molecular formula of the compound?

In medium-sized stars such as the sun, nuclear fusion almost always means the fusing of nuclei to form , but larger stars can produce elements as heavy as

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.

Which of the following is a chemical property of water at 4 c