What happens when carbon dioxide gas is cooled to -78 degree Celsius

What is the solubility-product constant of barium sulfate, baso4, if a saturated solution is 1.03 ´ 10-5 m?

Give one example of a pure (exact) number and of an estimated (measured) number.

Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation