Kipps appratus is for what?

You have a sample of a radioactive isotope of an element called "mysterium." The half life of "mysterium" is 16 days. If you start with a 300 g sample of "mysterium," what mass of "mysterium"will remain after 64 days?

Is light and sound matter? why or why not?

Based on the graphs below, which of the following substances has the highest specific heat capacity? Assume each experiment began with 200 g of the substance at 100°C mixed with 500 g of water at 20°C.

Which statement is true? a Atoms can be changed b All atom are not stable c Atoms can never be changed d Both A and B

Which fossil occurs on the most land masses? What does this suggest about when these particular continents broke up?

Suppose the average concentration of copper in water is measured to be 2.5 x 10" M. a. Express this concentration in mg/L. b. Express this concentration in ug/L. c.

Which of these measurements could be the pressure of a gas? O 725K 725 mmHg 725 grams 725 meters

Propane gas (C3H8) is combusted at a constant temperature and pressure. If 34.35L of propane react, what volume of oxygen is required? What volume of carbon dioxide is produced?

How is an organism related to a population?

The anion formed from an oxygen atom is called a (n) a. oxygen ion. c. carbon dioxide. b. oxide ion. d. nitrous oxide.