Ddt, an insecticide banned in the united states for most uses, has the formula c14h9cl5. find its percent composition.

If a certain battery supplies 1.0×108 electrons per second to the negative terminal and the battery contains 7.00 moles of electrolytic solution (which means the solution contains 7.00 moles of hso4), what fraction of the solution undergoes a chemical reaction each second

If soap hits the floor, is the soap dirty or the floor

Which of the following statements is true about planck’s law