101 cm - 99.1 cm = 1.9cm

Solutes usually dissolve best in cold solvents. true or false

A metal in group 1 of the periodic table can become a chemically stable ion by

A chemist working as a safety inspector finds an unmarked bottle in a lab cabinet. A note on the door of the cabinet says the cabinet is used to store bottles of tetrahydrofuran, carbon tetrachloride, pentane, dimethyl sulfoxide, and acetone.

Which elements have the most similar chemical properties? A. H, Be, Sc B. Fr, Ra, Rf C. Ti, V, Cr D. Be, Ca, Ra

What are the negative impacts of quarrying iron ore

Which statement describes a physical change? a. A carton of milk souring b. A piece of silver flatware tarnishing c. Dry ice subliming into carbon dioxide d. Two clear solutions forming a precipitate when mixed

What are two types of local winds?

For a given reaction, adding a catalyst increases the rate of the reaction by (1) providing an alternate reaction pathway that has a higher activation energy (2) providing an alternate reaction pathway that has a lower activation energy (3) using

An element which forms an oxide that dissolves in water to form an acidic solution.

Milk of magnesia is a base. What happens when you drink milk of magnesia for an upset stomach? A) It raises the pH of your stomach. Eliminate B) It lowers the pH of your stomach. C) It cleanses the stomach of harmful, painful bacteria.