28 g of iron shot is added to a graduated cylinder containing 40 ml of water. The water level rises to the 44 ml mark. From this information, calculate the density, the volume, and the mass of the iron

Jewelweed, a flowering plant, has seed pods that burst open when touched and forcefully eject their seeds. these structures are favorable because they a. can cause genetic changes to occur. b. prevent germination within the seed pod. c. aid in the dispersal of the species. d. attract insects that aid in pollination.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

Which states of matter have particles that move independently of one another with very little attraction?